The Budget Control Act of 2011: The Effects
on Spending and the Budget Deficit When the
Automatic Spending Cuts Are Implemented

Mindy R. Levit
Analyst in Public Finance
Marc Labonte
Specialist in Macroeconomic Policy
May 4, 2012
Congressional Research Service
7-5700
www.crs.gov
R42506
CRS Report for Congress
Pr
epared for Members and Committees of Congress

The Budget Control Act of 2011: The Effects on Spending and the Budget Deficit

Summary
Following a lengthy debate over raising the debt limit, the Budget Control Act of 2011 (BCA;
P.L. 112-25) was signed into law by President Obama on August 2, 2011. In addition to including
a mechanism to increase the debt limit, the BCA contained a variety of measures intended to
reduce the budget deficit through spending reductions. Combined, these measures are projected to
reduce the deficit by roughly $2 trillion over the FY2012-FY2021 period.
There are two main groups of spending reductions in the BCA: (1) discretionary spending caps
that came into effect in FY2012; and (2) a $1.2 trillion automatic spending reduction process
(sometimes referred to as the “trigger”) that will come into effect on January 2, 2013, unless new
legislation is enacted to prevent it. H.R. 4966, the Sequester Replacement Act of 2012, and the
President’s FY2013 Budget both propose eliminating the trigger and replacing it with alternative
measures to reduce the deficit.
To provide context for this debate, this report discusses the effects of the BCA on spending and
the deficit, assuming that the January 2013 automatic spending reductions proceed as scheduled.
The BCA spending cuts mainly apply to discretionary spending—$0.8 trillion in cuts to defense
programs and $0.7 trillion in cuts to non-defense programs over 10 years. Mandatory spending is
cut by less than $0.2 trillion over 10 years, with most of the savings from Medicare. Many
mandatory programs are exempt from these cuts, as are certain types of discretionary programs.
More than half of the spending cuts are through the “trigger” process, which has not yet come
into effect. In FY2013, the first year of the “trigger,” defense discretionary budget authority
subject to the BCA caps would decline by 11.5%, and non-defense would decline by 9.8%. In
FY2013, real (inflation-adjusted) defense discretionary spending subject to the BCA caps is lower
than its FY2005 levels, and real non-defense discretionary is lower than its FY2003 levels. After
FY2013, the discretionary caps would rise by about the rate of inflation in subsequent years. As a
result, discretionary spending subject to the caps does not return to its FY2011 level until FY2018
in nominal terms and will not return to its FY2011 levels in real terms at any point in the 10-year
budget window. Defense and non-defense discretionary spending subject to the caps will also not
return to FY2011 levels in real terms during the budget window.
The effects of the BCA on overall discretionary spending will depend on what levels of spending
Congress chooses for categories of discretionary spending not subject to the caps, namely
overseas contingency operations (OCO), disaster spending, and emergency spending. From
FY2018 on, overall discretionary spending would be below its lowest share of gross domestic
product (GDP) since data were first collected in 1962, assuming current levels of OCO and
disaster spending. Mandatory spending, by contrast, is projected to continue to grow in nominal
terms, real terms, and as a percentage of GDP over the next 10 years. Because of the projected
growth in mandatory spending, total federal spending would be above its post-World War II
average share of GDP at the end of the 10-year budget window.
When fully implemented, the BCA reduces deficits by about 1% of GDP each year. Under a
current law baseline, the budget is on a sustainable path, in the sense that the publicly held debt
would decline as a share of GDP (although it would continue to rise in dollar terms). Under a
current policy baseline, where expiring tax cuts, the alternative minimum tax patch, and the
Medicare “doc fix” are assumed to be extended, deficits are unsustainably large even after
enactment of the BCA. This report does not explain the mechanics of the BCA. For an overview
of the act, see CRS Report R41965, The Budget Control Act of 2011.
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The Budget Control Act of 2011: The Effects on Spending and the Budget Deficit

Contents
Background on the Budget Control Act of 2011.............................................................................. 1
Effects of the BCA on Overall Spending Levels ............................................................................. 3
BCA Spending Cuts Relative to a Baseline Projection ............................................................. 3
Spending Trends: Historical and Projected Under the BCA ..................................................... 5
Effects of the BCA on the Budget Deficit ..................................................................................... 11

Figures
Figure 1. Discretionary and Mandatory Spending, FY1962-FY2021 ........................................... 10

Tables
Table 1. Total Reductions in Outlays by Type from the Budget Control Act, FY2012-
FY2021 ......................................................................................................................................... 4
Table 2. Discretionary Budget Authority Subject to BCA Caps Assuming “Trigger”
Comes Into Effect, 2011-2021...................................................................................................... 7
Table 3. Average Annual Real Growth Rate of Discretionary Spending, FY2001-FY2021........... 9
Table 4. Budget Deficit Projections With and Without the BCA................................................... 12
Table 5. Current Law and Current Policy Baseline Deficit Projections ........................................ 14

Contacts
Author Contact Information........................................................................................................... 16

Congressional Research Service

The Budget Control Act of 2011: The Effects on Spending and the Budget Deficit

ollowing a lengthy debate over raising the debt limit, the Budget Control Act of 2011
(BCA, P.L. 112-25) was signed into law by President Obama on August 2, 2011. In
F addition to including a mechanism to increase the debt limit, the BCA contained measures
intended to reduce the budget deficit through spending reductions. Combined, these measures are
projected to reduce the deficit by roughly $2 trillion over the FY2012-FY2021 period.
The spending reductions in the BCA are achieved mainly through two mechanisms: (1) statutory
discretionary spending caps covering 10 years that came into effect in 2012; and (2) a $1.2 trillion
automatic spending reduction process (sometimes referred to as the “trigger”) covering nine years
that will come into effect on January 2, 2013, unless new legislation is enacted to prevent it.1
Some Members of Congress have proposed repealing or modifying the trigger before it goes into
effect. The President’s FY2013 Budget Proposal eliminates the automatic spending reductions for
all nine years and replaces them with alternative measures to reduce the deficit. The House
FY2013 Budget Resolution (H.Con.Res. 112), which passed the House on March 29, 2012,
proposes eliminating the automatic spending reductions in 2013 and replacing them with
alternative measures to reduce the deficit. H.R. 4966, the Sequester Replacement Act of 2012,
generally proposes to replace the FY2013 sequestration, in part, with spending cuts achieved by
lowering the current statutory discretionary cap for FY2013 and the enactment of a budget
reconciliation measure, reducing mandatory spending over the period FY2012-FY2022, pursuant
to the House-passed FY2013 budget resolution (Section 201 of H.Con.Res. 112).
To provide context for Members who are considering whether or not to maintain the January
2013 trigger in its current form, this report discusses the combined effects of the BCA on
spending and the deficit, assuming that the automatic spending reductions proceed as scheduled.
For information on the separate effects of the BCA’s discretionary caps and trigger on spending,
see CRS Report R42013, The Budget Control Act of 2011: How Do the Discretionary Caps and
Automatic Spending Cuts Affect the Budget and the Economy?
by Marc Labonte and Mindy R.
Levit. Other CRS reports provide additional analysis of the BCA.2
Background on the Budget Control Act of 2011
The BCA was enacted in response to congressional concern about unsustainable growth in the
federal debt and deficit. The federal budget has been in deficit (spending exceeding revenue)
since FY2002, but deficits became significantly larger in FY2009. That year, the deficit topped $1
trillion for the first time ever, and it has remained above $1 trillion through FY2011.3 The recent

1 Unless otherwise noted, all budget data presented in this report are from Congressional Budget Office, The Budget
and Economic Outlook
, January 2012 (hereinafter referred to as “CBO baseline”); Congressional Budget Office,
Preliminary Analysis of the President’s Budget for FY2013, March 2012; or Congressional Budget Office, The Budget
and Economic Outlook: Update
, August 2011.
2 For an explanation of the BCA’s provisions and procedures, see CRS Report R41965, The Budget Control Act of
2011
, by Bill Heniff Jr., Elizabeth Rybicki, and Shannon M. Mahan. For information on exemptions from
sequestration, see CRS Report R42050, Budget “Sequestration” and Selected Program Exemptions and Special Rules,
coordinated by Karen Spar. For information on the debt limit increases in the BCA, see CRS Report RL31967, The
Debt Limit: History and Recent Increases
, by D. Andrew Austin and Mindy R. Levit.
3 The budget deficit is the excess of outlays over revenues in a given year, broadly similar to the amount borrowed from
the public that year. The debt held by the public is the accumulation of all past borrowing from the public. The gross
debt is the sum of 1) debt held by the public and 2) the intragovernmental debt (the debt that one part of the federal
government owes to another part of the government, mainly through government trust funds). For background
(continued...)
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The Budget Control Act of 2011: The Effects on Spending and the Budget Deficit

growth in deficits is the result of spending reaching its highest level as a share of GDP since
FY1945 and revenues reaching their lowest level as a share of GDP since FY1950. These trends
are largely due to the budgetary effects of the recent recession and policies implemented in
response to it, including increased outlays and tax cuts.4
The BCA reduces spending through two primary mechanisms. First, the BCA placed statutory
caps on most discretionary spending from FY2012 through FY2021. The caps essentially limit
the amount of spending through the annual appropriations process for the next 10 years, with
adjustments permitted for certain purposes. The limits could be adjusted to accommodate (1)
changes in concepts and definitions; (2) appropriations designated as emergency requirements;
(3) appropriations designated for Overseas Contingency Operations/Global War on Terrorism
(such as for military activities in Afghanistan); (4) appropriations for continuing disability
reviews and redeterminations; (5) appropriations for controlling health care fraud and abuse; and
(6) appropriations designated as disaster relief. The last five of the listed adjustments effectively
exempt those types of discretionary spending from the statutory caps, meaning that the caps do
not limit total discretionary spending. The BCA limits adjustments for spending on disability
reviews and controlling health care fraud abuse to relatively small amounts.
The adjustable caps are not placed on specific accounts or even on each of the appropriations
bills; instead they are broad caps on the total amount of discretionary spending. In FY2012,
separate caps exist on security and non-security spending.5 For FY2013 to FY2021, under the
automatic process, there are separate caps for defense (Function 050) and non-defense spending.
Decisions about how these caps will affect specific agencies or programs will be made by
Congress and the President through the regular appropriations process.
Second, Title IV of the Budget Control Act established a Joint Select Committee on Deficit
Reduction (hereafter Joint Committee), composed of an equal number of Senators and
Representatives, and instructed it to develop a proposal that would reduce the deficit by at least
$1.5 trillion over FY2012 to FY2021. In order to ensure deficit reduction occurred if a Joint
Committee bill was not enacted, Section 302 of the Budget Control Act of 2011 established an
automatic process to reduce spending, beginning in 2013. On November 21, 2011, the co-chairs
of the Joint Committee announced that they were unable to reach a deficit-reduction agreement
before the committee’s deadline. As a result, a $1.2 trillion automatic spending reduction process
has been triggered to begin in January 2013 unless new legislation is enacted to eliminate or
change the process before then.
This automatic process affects both mandatory and discretionary spending, and is implemented
through a combination of reductions in the original BCA discretionary caps and a sequestration

(...continued)
information on the debt and deficit, see CRS Report WKS0001_Overview, Federal Debt and Deficit: Key Sources, by
Justin Murray.
4 For an overview of causes of large deficits and policy options to reduce them, see CRS Report R41778, Reducing the
Budget Deficit: Policy Issues
, by Marc Labonte; and CRS Report R41134, The Impact of Major Legislation on Budget
Deficits: 2001 to 2010
, by Marc Labonte and Margot L. Crandall-Hollick. For an analysis of the FY2013 budget
debate, see CRS Report R42362, The Federal Budget: Issues for FY2013 and Beyond, by Mindy R. Levit.
5 Security spending is defined by the BCA as discretionary appropriations associated with agency budgets for the
Departments of Defense, Homeland Security, Veterans Affairs, the National Nuclear Security Administration, the
intelligence community management account, and all budget accounts in the budget function for international affairs
(Function 150).
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The Budget Control Act of 2011: The Effects on Spending and the Budget Deficit

process. Sequestration is the across-the-board cancellation of budgetary resources. Some
programs are exempt by statute from the process, however, including most large mandatory
programs.
Effects of the BCA on Overall Spending Levels
This section evaluates the effect of the BCA on spending, assuming that the January 2013
automatic spending reduction process proceeds as scheduled under current law.
This report analyzes the effects of the Budget Control Act on spending in terms of its effects on
outlays or budget authority, depending on the context. The Budget Control Act sets new levels of
budget authority, which eventually leads to changes in outlays. The difference between budget
authority and outlays is discussed in the following text box.
Outlays and Budget Authority
Outlays are disbursed federal funds. Budget authority is what federal agencies can legally spend, and is granted by
Congress through appropriation acts in the case of discretionary spending or through other acts in the case of
mandatory spending. Budget authority gives federal officials the ability to spend. Until the federal government
disburses funds to make payments, no outlays occur. Therefore, there is generally a lag between when Congress
grants budget authority and outlays occur.
BCA Spending Cuts Relative to a Baseline Projection
For FY2012 to FY2021, the Budget Control Act (BCA; P.L. 112-25) is projected to reduce
discretionary and mandatory spending for those years relative to baseline levels.6 Relative to a
baseline using FY2011 appropriated levels adjusted for inflation,7 CBO projects that the
combination of the Budget Control Act’s caps and automatic spending reduction process would
reduce defense discretionary outlays by $15 billion in FY2012 and $812 billion over 10 years,
and non-defense discretionary outlays by $12 billion in FY2012 and $714 billion over 10 years,
as shown in Table 1.8 These estimates require some assumptions to be made about the levels of
discretionary spending that will occur in categories that are exempt from the caps. In this
estimate, CBO assumes that emergency spending, which is exempt from the caps and designated
at the discretion of Congress and the President, will be zero in the next 10 years; if any future
spending is designated as emergency, discretionary savings from the Budget Control Act would
be reduced dollar for dollar, all else being equal.


6 The baseline concept is explained in the following text box. For more information on how the spending cuts are
determined, see CRS Report R42013, The Budget Control Act of 2011: How Do the Discretionary Caps and Automatic
Spending Cuts Affect the Budget and the Economy?
, by Marc Labonte and Mindy R. Levit. All of the reductions in
spending discussed here would also lead to reductions in net interest because the federal debt would be lower than in
the baseline. The effects on net interest are discussed in the section entitled “Effects of the BCA on the Budget Deficit.”
7 This baseline is used because it was the official CBO baseline for discretionary spending until the enactment of the
BCA. The amount of savings garnered by the Budget Control Act depends on the baseline to which it is being
compared. For example, if it were being compared to a baseline based on 2010 levels of discretionary spending, the
savings would be higher than if it were compared to 2011 levels.
8 Douglas W. Elmendorf, Director, Congressional Budget Office, “Overview: Discretionary Outlays, Security and Non-
Security,” testimony before U.S. Congress, Joint Committee on Deficit Reduction, October 26, 2011.
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The Budget Control Act of 2011: The Effects on Spending and the Budget Deficit

Table 1. Total Reductions in Outlays by Type from the Budget Control Act, FY2012-FY2021
(in $ billion, + increase in spending/- decrease in spending)
FY2012-
FY2012
FY2013
FY2014
FY2015
FY2016
FY2017 FY2018 FY2019 FY2020 FY2021 FY2021
Discretionary
-27 -103 -140 -156 -165 -174 -179 -186 -194 -202 -1,526
Defense -15
-57
-74
-82
-87
-92
-95
-99
-103
-107
-812
Non-Defense -12 -46 -66 -74 -78 -82 -84 -87 -91 -95 -714












Mandatory
+3 -6 -14 -19 -20 -20 -21 -22 -23 -25 -170
Student
Loans +3 +6 +3 -2 -2 -2 -2 -2 -2 -3 -5
Automatic
n/a -12 -17 -17 -18 -18 -19 -20 -21 -22 -165
Process
Medicare
n/a -6 -11 -12 -13 -13 -14 -15 -16 -17 -117
Other
Mandatory
n/a -6 -5 -6 -5 -5 -5 -5 -6 -5 -48
Source: Congressional Budget Office, Budget and Economic Outlook: Fiscal Years 2012 to 2022, January 2012, Box 1-2; Budget and Economic Outlook: Fiscal Years 2011 to 2021,
August 2011, Box 1-1; Testimony Before the Joint Select Committee on Deficit Reduction, U.S. Congress, October 26, 2011, Tables B-1 and B-2.
Notes: The reductions in discretionary spending illustrated in this table are the combined effects of the statutory limits on discretionary spending (i.e., discretionary caps)
and the automatic spending reduction process. The savings from the cuts to discretionary spending are measured relative to the funding for 2011 adjusted for inflation. The
reductions in mandatory spending are a result of BCA’s student loan provisions and automatic spending reduction process. Allocation of the automatic spending reduction
process between mandatory and discretionary programs are CBO projections based on baseline levels found in the Budget and Economic Outlook, January 2012. The
allocation of the cuts could change over time based on actual spending levels. Totals may not sum due to rounding.

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The Budget Control Act of 2011: The Effects on Spending and the Budget Deficit

What Is a Baseline?
Baselines provide a benchmark for comparing how proposed budget policy changes would affect existing policies.
The calculation of a baseline can be instrumental to the evaluation of these policies. Conventional scoring
procedures would measure a legislative proposal relative to CBO’s official baseline, which is a current law
baseline. In the current law baseline, CBO assumes that certain policies—notably, tax provisions—set to expire
under current law will do so as scheduled.
However, changes in policy can also be measured relative to other proposals and baselines. For example, a
baseline could assume that certain current policies will be extended; this is sometimes referred to as a current
policy
baseline. Projected deficits under a current law baseline and a current policy baseline are compared in
Table 5.
As seen in Table 1, mandatory spending is projected to be cut by $12 billion in FY2013 and $165
billion over the FY2013 to FY2021 period under the automatic spending reduction process. Most
of the mandatory spending cuts in dollar terms are to Medicare. The amount of the cuts to
mandatory spending is lower than those to discretionary spending because much of mandatory
spending is exempt from the BCA’s automatic cuts and because mandatory spending is not
subject to caps similar to those implemented for discretionary spending. Separate from the
automatic process, the Budget Control Act also cuts mandatory spending on student loan
programs by $5 billion over 10 years.9
If Congress acts to prevent the automatic spending cuts from taking place beginning in January
2013, but leaves the original BCA discretionary caps in place, total discretionary spending would
be reduced by $778 billion over 10 years, assuming no other policy changes are made. In this
scenario, mandatory spending would be cut by only $5 billion, with the cuts solely affecting
student loan programs.
Spending Trends: Historical and Projected Under the BCA
To understand how the BCA affects spending, this section compares the levels and percentage
changes in spending under the BCA to historical data. Spending levels over time can be compared
using a number of different measures, however, as discussed in the text box below.
To date, recent policies to reduce the deficit have primarily focused on reducing discretionary
spending (spending that is provided and controlled through the appropriations process). This
trend pre-dates the BCA. In terms of budget authority, overall discretionary spending declined
from $1.264 trillion in FY2010 to $1.221 trillion in FY2011 and to an estimated $1.199 trillion in
FY2012, assuming no additional appropriations are provided before the fiscal year ends.10 These
declines are in terms of nominal dollars; the decline would be larger if the figures were adjusted
for inflation. In 2011, the decline is mostly the result of a reduction in non-defense discretionary
spending, and in 2012 the decline is mostly caused by a reduction in spending on overseas
contingency operations (OCO).


9 Congressional Budget Office, Budget and Economic Outlook, January 2012, p. 13.
10 Discretionary outlays declined from $1.347 trillion in 2010 and $1.346 trillion in 2011 to a projected $1.308 trillion
in 2012. Office of Management and Budget, Budget for FY2013, Historical Tables, Tables 5.6 and 8.1; Congressional
Budget Office, The Budget and Economic Outlook: Fiscal Years 2012 to 2022, Table 3-5.
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The Budget Control Act of 2011: The Effects on Spending and the Budget Deficit

Measuring Spending Over Time
There are three main ways to measure changes in spending over time. Often, actual (nominal) dollar levels are used
because that measure is most familiar. Over short periods of time when inflation is low, this measure can be useful;
it has a number of drawbacks when making comparisons over long periods, however. The purpose of a comparison
is to gauge the relative impact of spending over time, thereby making real or inflation-adjusted figures a more
appropriate comparison. Real figures, which adjust for the increase in prices, account for the decline in the
purchasing power of $1 over time. For example, based on the consumer price index, $1 in 1944 could buy the same
amount of goods and services as $12.75 in 2011. To buy a constant amount of goods and services over that period,
the federal budget would have to increase by more than a factor of 12. Further, the relative impact of spending on
households and the economy is eroded over time by economic growth, which provides households more income to
spend on public and private goods. For example, at the height of World War II (1944), total federal spending was
about $91 billion, compared to $3.6 trillion in 2011. But as a percentage of GDP, total federal spending was 44% of
GDP in 1944, compared to 24% of GDP in 2011. This report compares spending levels using al three measures—
nominal, real (inflation-adjusted), and as a percentage of GDP.
Table 2 shows the projected levels of discretionary budget authority and annual percentage
changes, in real and nominal terms, subject to the BCA caps under the automatic spending
reduction process (“trigger”). The levels in the table exclude funding for categories of spending
(such as OCO, emergency, and disaster) for which cap adjustments are permitted. Since those
categories of spending are effectively exempt from the caps, it is possible that the trend of growth
in overall discretionary spending (spending subject to the cap plus exempt spending) could turn
out to be higher than growth in discretionary spending subject to the BCA caps in future years,
even if there is strict compliance with the caps. Alternatively, future Congresses could decide to
appropriate an overall level of discretionary spending below the BCA caps, in which case the
growth in actual spending could be lower than the growth in the caps.
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Table 2. Discretionary Budget Authority Subject to BCA Caps Assuming “Trigger” Comes Into Effect, 2011-2021
(in $ billion; percentage change from prior year)

FY2011 FY2012 FY2013 FY2014 FY2015 FY2016 FY2017 FY2018 FY2019 FY2020 FY2021
Nominal
Defense
551.5 555.0 491.0 501.4 511.4 522.4 535.4 548.3 561.3 575.3 589.3
%
Change
-0.3% 0.6% -11.5% 2.1% 2.0% 2.2% 2.5% 2.4% 2.4% 2.5% 2.4%
Non-Defense 507.7 507.5 458.0 472.1 482.7 493.4 504.8 517.4 531.3 544.7 557.1
%
Change
-6.0% 0.0% -9.8% 3.1% 2.2% 2.2% 2.3% 2.5% 2.7% 2.5% 2.3%
Total 1,059.2
1,062.5
949.0
973.4
994.0
1,015.8
1,040.1
1,065.7
1,092.7
1,120.0
1,146.4
%
Change
-3.1% 0.3% -10.7% 2.6% 2.1% 2.2% 2.4% 2.5% 2.5% 2.5% 2.4%












Real (Inflation-Adjusted)
Defense
485.0 479.2 417.0 419.1 419.9 421.4 424.2 426.2 428.0 430.2 432.1
%
Change
-2.2% -1.2% -13.0% 0.5% 0.2% 0.3% 0.7% 0.5% 0.4% 0.5% 0.4%
Non-Defense 446.5 438.2 389.0 394.6 396.4 398.0 400.0 402.2 405.1 407.3 408.5
%
Change
-7.8% -1.8% -11.2% 1.4% 0.5% 0.4% 0.5% 0.5% 0.7% 0.5% 0.3%
Total
931.4 917.4 806.0 813.6 816.3 819.4 824.1 828.4 833.1 837.5 840.6
%
Change
-5.0% -1.5% -12.1% 0.9% 0.3% 0.4% 0.6% 0.5% 0.6% 0.5% 0.4%
Source: CRS calculations based on Office of Management and Budget, Budget for Fiscal Year 2013, Historical Tables, Table 5.6 and 10.1; OMB Report on Disaster Relief Funding
to the Committees on Appropriations and the Budget of the U.S. House of Representatives and the Senate
, September 1, 2011, Table 1; Congressional Budget Office, Budget and
Economic Outlook: Fiscal Years 2012 to 2022
, January 2012, Box 3-2, Table 3-5, and Table E-2.
Notes: The reductions in discretionary spending illustrated in this table are the combined effects of the statutory limits on discretionary spending (i.e., discretionary caps)
and the automatic spending reduction process. Totals may not sum due to rounding. For FY2011, numbers are actual discretionary BA less disaster spending and OCO. For
FY2012 to FY2021, numbers are BCA cap levels, and do not include adjustments to the caps al owed under BCA for categories of spending not subject to the caps. Real
figures are adjusted by the GDP price index using 2005 dol ars. See CBO Tables for additional notes.

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The Budget Control Act of 2011: The Effects on Spending and the Budget Deficit

In both nominal and real terms, the largest year-over-year percentage declines in spending over
the FY2011 to FY2021 period are projected to take place in FY2013, largely as a result of the
commencement of the BCA’s automatic spending reductions. That year, discretionary budget
authority subject to the caps falls by 10.7% in nominal terms and 12.1% in real terms compared
to FY2012 levels.11 As can be seen in Table 2, the cut that year is significantly larger than the cuts
that occurred in 2011.
While there are no long-term historical data on spending subject to the caps available for direct
comparison, since FY1977, overall discretionary budget authority only fell in eight other years in
nominal terms, by less than 5% in each of those years except FY2010.12 Unless offset by growth
in exempt categories, the FY2013 decline would be larger than in any other year except
FY2010.13 The decline in spending subject to the caps in FY2013 follows a nominal decline in
FY2011 and a nominal increase in FY2012 that was less than the rate of inflation (resulting in a
decline in real terms).14 In FY2013, real defense discretionary spending subject to the BCA caps
is lower than FY2005 levels, and real non-defense discretionary is lower than FY2003 levels.
From FY2014 to FY2021, discretionary spending subject to the caps increases annually at a rate
that is slightly higher than the projected rate of inflation. Since the BCA caps nominal spending,
whether real spending increases or decreases from FY2014 to FY2021 is highly sensitive to the
inflation rate. For example, if inflation turns out to be slightly higher than projected, spending
would decline in real terms from FY2014 to FY2021 instead of the increase shown in Table 2.
As a result of the decline in discretionary spending subject to the caps in FY2011 and FY2013,
followed by the rise in spending that is slightly faster than the rate of inflation from FY2014 to
FY2021, spending subject to the caps does not return to its FY2011 level until FY2018 in
nominal terms and will not return to FY2011 levels in real terms at any point in the 10-year
budget window. Defense and non-defense discretionary spending subject to the caps will also not
return to FY2011 levels in real terms during the budget window. Since the population is growing
over the next 10 years, real or nominal declines would be greater on a per capita basis than the
overall rates shown in Table 2.
To compare projections of discretionary spending under the BCA to historical trends, adjustments
need to be made for types of discretionary spending not subject to the BCA caps, such as
emergency spending, disaster spending, and OCO. Table 3 makes this adjustment by excluding
funding for OCO and disaster spending for FY2001 to FY2011. Emergency spending was not
removed from spending totals for recent fiscal years.
Table 3 compares growth in discretionary spending (adjusted to remove OCO and disaster
spending) in the past decade to the next decade, during which spending is projected to decline. In

11 The percentage decline in overall discretionary budget authority will depend on the change in budget authority for
exempt categories, such as OCO, disaster, and emergency spending. The percent reduction in 2013 budget authority
will be spread over future years; outlays in 2013 subject to the caps are projected to decline by 7.1%.
12 From 1977 to 2011, overall discretionary outlays only fell in two years in nominal terms, however.
13 The declines in spending in FY2010 largely reflects the previous year increase in discretionary BA caused by the
American Reinvestment and Recovery Act (ARRA), popularly referred to as the “stimulus act.” Non-defense budget
authority was $1.2 trillion in 2008, $1.5 trillion in 2009, and $1.3 trillion in 2010.
14 As noted above, overall discretionary budget authority fell in 2012, but mainly because of a decline in OCO
spending, which is not subject to the caps.
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real (inflation-adjusted) terms, adjusted discretionary spending grew at an annual rate of 4.1% for
the FY2001 to FY2010 period, with the growth fairly evenly split between defense and non-
defense discretionary. For the FY2011 to FY2021 period, cuts to discretionary spending prior to
the BCA combined with the BCA caps and trigger cause spending to decline by an average of
1.4% annually, with the decline fairly evenly split between defense and non-defense discretionary
spending.15 The first column of Table 3 demonstrates the potential for overall discretionary
spending growth to exceed the growth rate desired under the caps. In the 2001 to 2010 period,
spending primarily related to Hurricane Katrina and operations in Iraq and Afghanistan caused
OCO and disaster spending growth to exceed the growth rate of other discretionary spending.16
Table 3. Average Annual Real Growth Rate of Discretionary Spending,
FY2001-FY2021
(Percentage change, adjusted for inflation)

Overall
Subject to Caps

2001-2010 (actual)
2001-2010 (actual)
2011-2021 (projected)
Defense 6.6%
3.9%
-1.3%
Non-Defense 4.5% 4.3% -1.5%
Total 5.6%
4.1%
-1.4%
Source: CRS calculations based on CBO and OMB data.
Notes: The projections of discretionary spending illustrated in this table assume that the statutory limits on
discretionary spending (i.e., discretionary caps) and the automatic spending reduction process come into effect as
scheduled. For historical data, numbers subject to caps are total discretionary BA less disaster spending and
OCO. Data adjusted for inflation using GDP price deflator.
Figure 1 shows levels of total discretionary and mandatory spending as a percentage of GDP
between FY1962 and FY2021. The levels between FY2012 and FY2021 are projected and
assume that the discretionary caps and automatic spending cuts go into effect as scheduled under
current law. As noted above, to compare historical data to projections, adjustments must be made
for categories of discretionary spending exempt from the BCA caps. This figure uses CBO
baseline levels for OCO, disaster, and emergency spending to compare to total discretionary
spending in the past.17 In the figure, two CBO scenarios are illustrated. The first assumes that
OCO budget authority is maintained at current levels (adjusted for inflation); the second scenario
assumes a drawdown in troop levels in Afghanistan and other countries from 195,000 in FY2011
to 45,000 by FY2015. Under the latter scenario, OCO spending would be about 0.5% of GDP
lower in FY2021 relative to what it would be under baseline levels. Both projections set
emergency budget authority at zero and disaster spending at levels permitted under the BCA.18

15 Although defense discretionary spending receives a larger dollar reduction than non-defense discretionary under the
BCA’s automatic process, non-defense discretionary falls more in percentage terms over the 2011 to 2021 period
because it declines more in 2011 and because defense is larger than non-defense discretionary in dollar terms.
16 From 2001 to 2010, OCO BA averaged $111 billion and disaster BA averaged $13 billion.
17 For earlier years, data were not available to remove OCO and disaster spending from discretionary totals, as was
done in Table 3.
18 The BCA allows annual disaster spending in amounts up to “the average funding provided for disaster relief over the
previous 10 years, excluding the highest and lowest years” plus the difference between disaster spending in the
preceding fiscal year and the applicable average funding level for that year. Disaster spending is defined in the BCA as
spending classified in specified budget accounts
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The Budget Control Act of 2011: The Effects on Spending and the Budget Deficit

Figure 1. Discretionary and Mandatory Spending, FY1962-FY2021
(Outlays as a percentage of GDP)

Source: Office of Management and Budget, Budget for FY2013, Historical Tables, Table 8.4; Congressional Budget
Office, The Budget and Economic Outlook: Fiscal Years 2012 to 2022, January 2012, Table F-3; CRS calculations.
Notes: The projection of discretionary spending illustrated in this table assumes that the statutory limits on
discretionary spending (i.e., discretionary caps) and the automatic spending reduction process come into effect as
scheduled. Federal spending data are categorized as discretionary and mandatory only back to FY1962.
Discretionary spending over the FY1962 to FY2011 period averaged 9.4% of GDP.19 As Figure 1
shows, it rose relative to GDP from 2001 to 2011, but remained below the levels prevalent from
FY1962 to FY1987.20 In 2018, discretionary spending under the baseline would reach its lowest
share of GDP since data were first available, at 6.1% of GDP, and would continue to decline
thereafter. By FY2021, discretionary spending is projected to reach 5.7% of GDP or nearly 4
percentage points below the historical average. Under the alternative scenario, where OCO
spending is lower, discretionary spending would reach its lowest share of GDP in this time frame
in FY2016, and is projected to decline to 5.2% by FY2021. CBO’s baseline projection assumes
that defense discretionary spending will be equal to its lowest share of GDP in this time frame by
FY2020 and non-defense discretionary spending will be equal to its lowest share of GDP in this
time frame by FY2016.
What historical precedent is there for a sustained decline in discretionary spending as a share of
GDP? There were two periods of sustained decline in discretionary spending as a percentage of
GDP since 1962, occurring in FY1969-FY1974 and FY1987-FY2000, respectively. In both cases,
the decline was driven mainly by a decline in defense spending as a percentage of GDP, in the
former case because of a wind-down of operations in Vietnam and in the latter case by the “peace

19 Federal spending data are categorized as discretionary and mandatory only back to FY1962.
20 Defense discretionary spending rose throughout the 2001-2011 period as a percentage of GDP. Non-defense
discretionary spending showed no upward trend until 2009.
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dividend” associated with the end of the Cold War. Non-defense discretionary spending fell as a
percentage of GDP only in the second half of the latter period. In both cases, the decline in
spending began from a higher starting point than today.
Mandatory spending under the BCA, by contrast, is projected to continue to grow in nominal
terms, real terms, and relative to GDP over the next 10 years. For example, it is projected to
increase from $2.1 trillion (13.3% of GDP) in FY2012 to $3.3 trillion (13.9% of GDP) in
FY2021. This growth is primarily due to the projection that elderly entitlement spending (notably,
Social Security and Medicare) will grow more quickly than GDP over the next 10 years. The
BCA has a minimal effect on this trend—it reduces mandatory spending under the automatic
spending reduction process by one-tenth of one percent of GDP annually. Social Security is
exempt from the BCA’s automatic process, and most Medicare payments are reduced by no more
than 2% relative to baseline levels. As can be seen in Figure 1, mandatory spending in FY2011
was at its second-highest share of GDP since data are first available (FY2009 was its highest
share), and would exceed that share of GDP from FY2020 on. The cuts to Medicare under the
BCA relative to current policy are not projected to prevent Medicare spending from growing in
real terms and relative to GDP over the 10-year budget window.
Total spending is composed of discretionary spending, mandatory spending, and net interest on
the federal debt. From FY2019 to FY2021, the growth in mandatory spending and net interest is
greater than the decline in discretionary spending, resulting in a projected rise in total spending as
a percentage of GDP. In FY2021, total spending is projected to equal 22% of GDP.21 This is well
above the historical average; from FY1947 to FY2011, total outlays averaged 19.7%. Total
outlays have been below 22% of GDP for most of the post World War II period, from FY1947 to
FY1980, FY1987 to FY1990, and FY1993 to FY2008.
Effects of the BCA on the Budget Deficit
CBO estimates that the BCA will reduce the baseline deficit by $2 trillion over 10 years. The
estimated budgetary savings increase from $24 billion in FY2012 to $304 billion in FY2021
(shown in Table 4). Once the automatic spending reduction process is fully implemented, the
BCA would reduce the deficit by about 1% of GDP each year overall. These figures include both
the direct effect of lower spending on deficits, and the interest savings stemming from the lower
deficits resulting from lower spending.


21 OCO spending is about 1% of GDP in this projection. If OCO spending were zero, spending in 2021 would still
exceed the historical average.
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Table 4. Budget Deficit Projections With and Without the BCA
FY2012-
FY2012
FY2013
FY2014
FY2015
FY2016
FY2017 FY2018 FY2019 FY2020 FY2021 FY2021
Billions of $
Deficit Excluding BCA (Current Law)
1,195
724
540
438
460
422
416
483
515
541
5,734
Effects of BCA
-24
-112
-155
-181
-201
-221
-241
-259
-281
-304
-1,979
Baseline Deficit Including BCA (Current
1,171 612 385 257 259 201 175 224 234 237 3,755
Law)
Deficit Including BCA (Current Policy)
1,194
938
861
781
826
822
859
980
1,071
1,158
9,490

% of GDP
Deficit Excluding BCA (Current Law)
7.7
4.5
3.3
2.5
2.5
2.1
2.0
2.2
2.3
2.3
n/a
Effects of BCA
-0.2
-0.7
-0.9
-1.0
-1.1
-1.1
-1.2
-1.2
-1.2
-1.3
n/a
Baseline Deficit Including BCA (Current
7.6 3.8 2.3 1.5 1.4 1.0 0.8 1.0 1.0 1.0 n/a
Law)
Deficit Including BCA (Current Policy)
7.7
5.9
5.2
4.4
4.4
4.2
4.2
4.5
4.7
4.9
n/a
Source: CRS calculations based on CBO data.
Notes: The effects of the BCA illustrated in this table assumes that the statutory limits on discretionary spending (i.e., discretionary caps) and the automatic spending
reduction process come into effect as scheduled. Includes effects of lower debt service. Negative numbers reduce deficit, positive numbers increase deficit. Columns may
not sum due to rounding. See Table 5 for an explanation of how the deficit under current policy differs from the deficit under current law.

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The Budget Control Act of 2011: The Effects on Spending and the Budget Deficit

Is the deficit reduction achieved by the BCA insufficient, requiring additional policy changes in
the future to further reduce the deficit? Or does it reduce deficits excessively? It depends on the
policy goal. A goal of the BCA was to match its deficit reduction provisions to the BCA’s multi-
step increase in the debt limit, although the savings is over a different timeframe than the debt
limit increase and the deficit reduction achieved in the BCA in isolation would not prevent the
need for future debt limit increases. In any case, matching deficit reduction with debt limit
increases is an intermediate goal, but not an ultimate goal of fiscal policy. Two other potential
goals of deficit reduction could be to balance the budget or place the deficit on a sustainable path.
In order to evaluate whether the BCA accomplishes either goal, it is first necessary to discuss the
range of projections of future deficits.
Projections of future deficits depend on underlying assumptions, particularly the treatment of
expiring provisions. In the “current law” baseline, certain policies set to expire under current law
are assumed to do so as scheduled.22 For example, the baseline assumes that expiring tax
provisions, such as the 2001/2003/2010 (“Bush”) tax cuts that are set to expire at the end of
calendar year 2012, will expire as scheduled. Other provisions, such as the indexing of the
alternative minimum tax (AMT) to inflation and the “doc fix” that Congress has enacted annually
to prevent significant cuts to Medicare physician payments, are also assumed to expire as
scheduled.23 Baseline deficits could potentially be projected under several other alternative
assumptions. For example, Table 5 illustrates how the extensions of “current policy” would
change the deficit outlook relative to the current law baseline, by assuming that all tax cuts
(except for the payroll tax cut) are extended, the AMT is indexed to inflation, and the doc fix is
enacted. Under these assumptions, the budget deficit would be $6.9 trillion greater over the
FY2012-FY2021 period than under the current law baseline.24


22 By statute, expiring mandatory programs enacted on or before the date of enactment of the Balanced Budget Act of
1997 and with estimated outlays of greater than $50 million are assumed to continue in the current year and the
outyears for purposes of the baseline. Expiring mandatory provisions enacted since 1997 and expiring tax provisions
are assumed to expire as scheduled.
23 For more information on the “doc fix” and the cost of extending it, see CRS Report R40907, Medicare Physician
Payment Updates and the Sustainable Growth Rate (SGR) System
, by Jim Hahn and Janemarie Mulvey. For more
information on the AMT, see CRS Report RL30149, The Alternative Minimum Tax for Individuals, by Steven Maguire.
For more information on expiring tax provisions, see CRS Report R42485, An Overview of Tax Provisions Expiring in
2012
, by Margot L. Crandall-Hollick.
24 U.S. Congressional Budget Office, The Budget and Economic Outlook, January 2012, Table 1-6.
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Table 5. Current Law and Current Policy Baseline Deficit Projections
(billions of dollars)
FY2012-

FY2012 FY2013 FY2014 FY2015 FY2016 FY2017 FY2018 FY2019 FY2020 FY2021 FY2021
Baseline Deficit (Current Law)a 1,171 612 385 257 259 201 175 224 234 237 3,755
+ Extend Bush Tax Cuts and
11 233 339 395 442 495 552 616 685 758 4,526
Index AMT to Inflation
+
Extend
Doc
Fix
0 14 20 23 28 32 37 43 50 54 301
+
Extend
Tax
Extenders
12 79 117 106 97 94 95 97 102 109 908
= Deficit (Current Policy)a
1,194 938 861 781 826 822 859 980 1,071
1,158
9,490
Source: CRS calculations based on CBO data. Columns may not sum due to rounding.
Note: Includes effects of lower debt service. AMT = alternative minimum tax
a. Includes the effects of the deficit reduction provisions of the Budget Control Act.

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The Budget Control Act of 2011: The Effects on Spending and the Budget Deficit

If the ultimate policy goal is a balanced budget or budget surpluses or to avoid increasing the
federal debt, then the BCA does not reduce deficits enough to achieve that goal. Even under a
current law baseline, the BCA’s $2 trillion in deficit reduction under current law would leave
projected deficits of $3.8 trillion over 10 years, compared to the $5.7 trillion over 10 years prior
to the enactment of the BCA (see Table 4). Because the budgetary savings in FY2012 is only $24
billion ($27 billion savings from the cap and $3 billion cost of student loan provisions), the
baseline deficit in FY2012 is still projected to exceed $1 trillion.
Likewise, the $2 trillion in deficit reduction relative to the baseline contained in the BCA does not
mean that the total federal debt will decrease by $2 trillion relative to today’s levels. Rather, it
means that the projected cumulative deficit over the FY2012-FY2021 period will be about $2
trillion less than it otherwise would have been if the BCA had not been enacted. Since the budget
is projected to remain in deficit after the BCA, the publicly held debt will continue to rise in
dollar terms each year, from $10.1 trillion in FY2011 to $14.7 trillion in FY2021 under the
current law baseline.25
While the BCA is not projected to result in a balanced budget, another policy goal may be to
place the deficit on a sustainable path, meaning a level that would stabilize the debt as a share of
GDP. Economists believe that the budget will eventually need to be placed on a sustainable path
since debt service cannot rise faster than income indefinitely.26 Whether or not the BCA’s forecast
accomplishes this depends on what assumptions are used in the baseline.
Under the current policy baseline (incorporating the effects of the BCA), deficits are projected to
be $9.5 trillion—$5.7 trillion larger than the current law deficits—over 10 years. Changing from
a current law baseline to a current policy baseline increases the deficit by more than twice as
much as the BCA reduces the deficit. Under the current policy baseline, deficits never get lower
than 4.2% of GDP (rising to 4.9% of GDP by FY2021) and the debt continues to rise relative to
GDP each year. Thus, if one believes that current policies will be maintained, additional policy
changes beyond the BCA would be required to put the deficit on a sustainable path.
Under current law, budget deficits fall below 1% of GDP in FY2018 (rising slightly thereafter)
and the publicly held debt falls as a share of GDP over the next 10 years—although it will still
remain at levels that are historically high for the post-World War II period—placing the budget
back on a sustainable path. (Indeed, even without the BCA, budget deficits were projected to have
become low enough under current law to stabilize the debt relative to GDP over the budget
window.) In other words, allowing expiring tax cuts, the AMT “patch,” and the “doc fix” to
Medicare to expire would be one set of policy changes that would place the deficit on a
sustainable basis. CRS does not take a position on whether these policy options are more or less
desirable than various alternatives. Beyond the 10-year budget window, unsustainably large
budget deficits are projected to reappear, primarily driven by the assumption that health care costs
will continue to grow faster than GDP.27


25 The publicly held debt is the gross debt less the intragovernmental debt. In FY2011, the gross debt was $14.8 trillion.
26 For more information, see CRS Report R40770, The Sustainability of the Federal Budget Deficit: Market Confidence
and Economic Effects
, by Marc Labonte.
27 For more information, see CRS Report RL32747, The Economic Implications of the Long-Term Federal Budget
Outlook
, by Marc Labonte.
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Author Contact Information

Mindy R. Levit
Marc Labonte
Analyst in Public Finance
Specialist in Macroeconomic Policy
mlevit@crs.loc.gov, 7-7792
mlabonte@crs.loc.gov, 7-0640

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