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Unemployment can come about in a number of ways, but the form of unemployment that 
policymakers have shown they are most concerned about involves workers who have 
involuntarily lost jobs through no fault of their own. Unemployment through layoffs ebbs and 
flows with the business cycle, but involuntary job loss is ever-present because firms displace 
workers for reasons other than temporarily weak demand. Employers also layoff employees for 
reasons specific to the firm or the industry in which the firm lies (e.g., corporate restructuring and 
seasonality). 
One means of restructuring work—namely, outsourcing—has spread from employers contracting 
out functions to other affiliated or nonaffiliated employers in the United States, to employers 
contracting out activities to affiliated or nonaffiliated employers located outside U.S. borders. The 
latter business practice is referred to as offshore outsourcing or offshoring. 
Offshoring is driving much of the current interest in job loss and economic insecurity more 
generally. It also is driving the demand for statistics on the number of employees who have lost 
their jobs because firms decided to move work abroad as a result of an internal corporate 
reorganization or financial difficulties for example. No database exists that provides anything 
approximating a complete count of workers separated from payrolls because their company 
relocated their functions beyond U.S. borders. 
Starting in mid-decade, the U.S. Bureau of Labor Statistics (BLS) Mass Layoff Statistics program 
began to query firms in the private nonfarm sector that call long-lasting large-scale layoffs about 
whether these events involve the offshoring of work. In addition to excluding layoffs at small 
firms and in the public sector, the series does not cover layoffs in which fewer than 50 employees 
are terminated. It thus likely to understate layoffs associated with offshore outsourcing generally 
and with those involving white-collar workers in the service sector particularly (e.g., accounting 
clerks at financial services firms, radiologists at medical services providers). 
This report briefly reviews the various databases that provide information on layoffs. It then more 
closely examines results from the above-described BLS program. In brief, the BLS series shows 
that outsourcing—particularly of work moving offshore—is uncommon in extended mass layoffs 
and accounts for fairly few separated workers. Relocation of work most often occurs within the 
United States and within the same company. Most workers separated in extended mass layoff 
events involving domestic or offshore outsourcing had been employed by manufacturers. 
Employer restructuring (bankruptcy, business ownership change, financial difficulty, and 
reorganization within a company) typically accounts for a majority of these layoffs as well. In 
extended mass layoffs associated with the movement of work offshore, jobs most often are shifted 
to Mexico and China. 
 
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Introduction ..................................................................................................................................... 1 
Restructuring Work for Competitive Purposes................................................................................ 1 
Sources of Information on Layoffs.................................................................................................. 2 
Layoffs ...................................................................................................................................... 3 
Current Population Survey (CPS) ....................................................................................... 3 
Job Openings and Labor Turnover Survey (JOLTS)........................................................... 3 
Mass Layoffs............................................................................................................................. 3 
Employer Announcements of Large Staff Cuts................................................................... 3 
Mass Layoff Statistics (MLS) Program .............................................................................. 4 
 
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Table 1. Short- and Long-Term Mass Layoff Activity .................................................................... 5 
 
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Author Contact Information ............................................................................................................ 6 
 
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Unemployment can develop in a number of ways, such as an individual (re)entering the labor 
force and being unable to immediately find a job or a person quitting a job at one firm before 
having obtained a job at another firm. The form of unemployment that policymakers have shown 
they are most concerned about occurs when businesses layoff employees. Congress has 
demonstrated its desire to help workers who have involuntarily lost their jobs through no fault of 
their own, and are presumed to face an indeterminate spell of unemployment, by its provision of 
income support under the Unemployment Insurance (UI) program and the Trade Adjustment 
Assistance (TAA) program, training for dislocated workers under the Workforce Investment Act 
(WIA) and TAA, and advance notice of mass layoffs and plant closings under the Worker 
Adjustment and Retraining Notification Act (WARN). 
Although involuntary “no-fault” displacement from jobs is always with us, this form of 
unemployment increases when the economy is sluggish and decreases when the economy is 
robust. In other words, there is a cyclical component to layoff activity. However, firms lay off 
workers not only due to temporarily weak demand throughout the economy, but also due to 
factors specific to them or their industry (e.g., company reorganization and seasonal work). The 
current interest in involuntary job loss springs from the practice of U.S. firms sending work to 
firms located in other countries—commonly known as offshore outsourcing or offshoring. 
This report focuses on unemployment through layoffs. It first briefly provides a context for the 
offshore outsourcing phenomenon and its relationship to gross and net employment change. The 
report next examines the available sources of data on layoffs to determine whether they provide 
information on the reasons that underlie those events. It then analyzes the trend in, severity of, 
and explanations of extended mass layoffs. The report concludes with a discussion of those 
extended mass layoff events that involve movement-of-work actions (to other U.S. locations of 
the company that has called the layoff, to other U.S. firms, to foreign-based affiliates of the U.S. 
company, and/or to foreign businesses). 
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U.S. firms have, in the past few decades, been restructuring their operations to be more 
competitive in the global marketplace by: 
•  downsizing their workforces; 
•  outsourcing functions, ranging from performing janitorial services to developing 
computer software, to firms located within and outside the United States; and 
•  utilizing contingent workers, such as independent contractors and temporary 
workers. 
The term “downsizing” was coined during the 1980s to describe a practice among, typically, very 
large “old economy” manufacturers to become more efficient international competitors by each 
laying off thousands of employees—sometimes in multiple rounds of mass layoffs—and closing 
entire facilities. Since then, downsizing has spread to “new economy” manufacturers (e.g., 
computer hardware producers) and to companies in the service sector (e.g., telecommunications 
firms and financial enterprises). 
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Similarly, the practice of employers contracting out activities has spread from relocating work to 
other companies in the United States, to moving work to firms located outside the United States. 
It has been suggested that employers have been able to achieve efficiencies through offshore 
outsourcing due to improved internet, telephone, and transportation links with countries (e.g., 
India) whose educational systems have expanded the worldwide supply of well-educated workers 
who possess information technology (IT) and other white-collar skill sets.1 
As a result, the kind of U.S. workers susceptible to involuntary job loss has changed. Whereas 
displacement once occurred primarily among traditionally layoff-prone blue-collar factory 
workers, the risk of job loss has increased among traditionally stable white-collar workers. 
Consequently, concern about job security has spread from blue-collar to white-collar workers, 
who make up the majority of all employees in the labor market. 
By definition, restructuring achieved through downsizing produces a net loss of jobs at firms. 
This is not necessarily the case at companies that utilize contingent workers or outsource work. If 
these employers are laying off workers, they may be hiring a greater, equivalent, or lesser number 
of people. 
Overlaid on these ongoing changes in how firms organize their operations is the business cycle. 
During the long economic expansion that characterized much of the 1990s, for example, net job 
growth and layoffs occurred simultaneously according to data from the U.S. Bureau of Labor 
Statistics (BLS). More than 20 million private sector nonfarm jobs were added between 1991 and 
2000. Nonetheless, in 2000, employers permanently displaced almost two million workers from 
their private sector jobs through mass layoffs. 
Job losses usually have not persistently exceeded job gains at the national level, thereby yielding 
a net decrease in employment, except during recessions. However, after employment contracted 
by almost 300,000 jobs in the private nonfarm sector during the 2001 recession, 1.9 million more 
jobs were lost than gained in 2002.2 In contrast, although remaining high by historical standards, 
the number of workers who permanently lost their private sector jobs through mass layoffs 
dropped by nearly 300,000 in 2002. Despite employment starting to grow during 2003, signaling 
the end of the “jobless recovery,” the net change in employment for the year was negative (some 
400,000 private nonfarm jobs). In contrast, the number of workers permanently displaced from 
their private sector jobs as part of mass layoffs continued to fall in 2003. Not until 2004 did the 
private nonfarm economy record a net increase in employment of almost 1.5 million jobs, while 
the number of employees separated from payrolls through mass layoffs continued to trend 
downward. 
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Data series measure layoffs in different ways. One, for example, tracks at the national level the 
number of persons who are unemployed by broad reason for their joblessness. Another focuses on 
the number of workers displaced in lengthy (permanent) mass layoffs, which are considered to be 
                                                                 
1 For more information, see CRS Report RL32292, Offshoring (a.k.a. Offshore Outsourcing) and Job Security Among 
U.S. Workers, by Linda Levine. 
2 For more information, see CRS Report RL32047, The “Jobless Recovery” From the 2001 Recession: A Comparison 
to Earlier Recoveries and Possible Explanations, by Marc Labonte and Linda Levine. 
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more difficult to recover from for the affected workers and geographic areas. Only one tries to 
determine whether layoffs are associated with the relocation of work (within the same firm but to 
its other U.S. locations, to other U.S. firms, to foreign-based affiliates of the U.S. company, 
and/or to foreign businesses). 
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The CPS is a monthly survey of households from which the unemployment rate is derived. It 
includes a question on reason for unemployment. Unemployed persons are categorized as job 
losers if they report they are on a temporary layoff (meaning that their employer has given them a 
date to return to work or that they expect to return to their jobs within six months) or they have 
permanently, involuntarily lost their jobs. Individuals are not asked why they were laid off. 
The other reasons for unemployment are having left a job voluntarily, having completed a 
temporary job, and newly entering or reentering the labor force. In all cases, the individual must 
currently be looking for a job to be classified as unemployed. Thus, if job losers become 
discouraged about their reemployment prospects and stop searching for work, their reason for 
being jobless would not be tallied. 
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BLS initiated JOLTS in December 2000. It collects data on job openings and labor turnover from 
a sample of establishments subject to state UI laws as well as federal agencies subject to the 
Unemployment Compensation for Federal Employees program. More specifically, JOLTS 
provides monthly data on total employment, job openings, hires, quits, layoffs and discharges, 
and other separations by month with a two-month lag. 
Of interest in terms of this report are the figures on separations due to layoffs and discharges. 
These involuntary terminations are defined in JOLTS to include layoffs with no intent on the 
employer’s part to rehire their former employees and layoffs that have lasted or that the employer 
expects to last more than seven days; discharges that arise from downsizing, mergers, closings, 
and firings or other discharges for cause; and terminations of permanent, short-term, or seasonal 
employees. Employers are not asked about the reasons underlying the layoffs and discharges. 
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A more frequently and regularly reported source of information on substantial staff cutbacks has 
been announcements of impending actions that are issued by individual firms. However, several 
drawbacks exist in using the timely layoff announcements to gauge the actual circumstances of 
workers, firms, and communities. Companies make announcements about their expectations, but 
these may or may not come to pass as planned. Although firms sometimes include statements in 
financial reports about how their restructuring plans have been implemented, there is neither 
readily available nor comprehensive information on their actual outcomes. In addition, layoff 
announcements commonly are interpreted as calling for involuntary job cuts, but some employees 
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accept early retirement or voluntary severance offers while others accept transfers to jobs within 
their own firms or to reorganized entities. Moreover, the announcement of a layoff in a given 
month does not mean that affected workers are displaced immediately or terminated as a group. 
Instead, a layoff might involve varying numbers of people being released at different intervals 
over many months or years. This scenario would have considerably less of an adverse impact on a 
community’s labor market, which could more easily absorb the displaced workers who had not 
found new jobs before their termination. 
The impetus for issuance of these announcements was passage of the Worker Adjustment and 
Retraining Notification Act (WARN, P.L. 100-379), which went into effect in 1989. The act 
requires firms with 100 or more employees to provide notice to employees or their union 
representatives and to local/state government officials 60 days before initiating a major layoff or 
closing a plant. Because smaller businesses do not have to issue these notices, some unknown 
number of mass layoffs cannot be detected from this source.3 
A comprehensive database of these announcements does not exist because there is no legal 
requirement that the notices be filed with a single entity. Some of these announcements are 
reported by the media or other information-gathering organizations. These reports might include 
only the most newsworthy layoff events (e.g., those involving the nation’s or a geographic area’s 
largest employers). Moreover, these reports might not mention the hiring expectations of some of 
the same firms that issue layoff announcements. There is likely to be considerable variability in 
what, if any, information is provided about the reasons for the anticipated layoffs. 
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Under the Job Training Partnership Act of 1982 (JTPA), the U.S. Department of Labor (DOL) 
was charged with obtaining information about mass layoffs and plant closings. The Employment 
and Training Administration (ETA) used JTPA funds to have the BLS develop the Mass Layoff 
Statistics (MLS) program. The program was terminated in 1992 for budgetary reasons. After ETA 
gave it funds to do so in 1994, BLS resurrected the MLS program in 1995, with some 
improvements (e.g., coverage of all states) that make 1986-1992 data noncomparable with more 
recent data. The DOL announced in December 2002 that the MLS program was terminated again 
due to lack of a funding source, but in P.L. 108-7, the omnibus FY2003 appropriations bill, 
Congress included money in the BLS budget for resumption of the series. 
The MLS program consists of two series: 
•  In its monthly series, BLS defines a mass layoff as an event involving 50 or more 
workers from a single establishment who file initial claims for UI benefits. The 
only information available on a monthly basis is the number of layoff events and 
the number of initial UI claimants disaggregated by state and industry group 
separately. 
•  In its quarterly series, BLS provides more detailed information on extended 
(permanent) mass layoffs, which are defined as those above-described layoffs 
that last more than 30 days. Additional information is obtained by querying 
                                                                 
3 For more information on WARN, see CRS Report RL31250, The Worker Adjustment and Retraining Notification Act 
(WARN), by Linda Levine. 
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employers that have layoffs lasting beyond 30 days, including the reason for the 
layoff and whether it involved the movement of work. Covered establishments in 
both series included employers throughout the economy until 2004. For 
budgetary reasons, the extended mass layoff series began covering only nonfarm 
employers in the private sector. The mass layoff series, which is based solely on 
administrative records, continues to include agricultural and government 
employers. 
Data over time from the monthly and quarterly series are shown in Table 1. 
Table 1. Short- and Long-Term Mass Layof  Activity 
Mass Layoffs 
Extended Mass Layoffs 
Initial UI  
Initial UI  
Separated  
Year 
Events 
Claimants 
Events 
Claimants 
Workers 
1996 14,111  1,437,628 
4,760  805,810   
948,122 
1997 14,960  1,542,543 
4,671  879,831  947,843 
1998 15,904  1,771,069 
4,859  1,056,462   
991,245 
1999 14,909  1,572,399 
4,556  796,917   
901,451 
2000 15,738  1,835,592 
4,591  846,267   
915,962 
2001 21,467  2,514,862 
7,375  1,457,512  1,524,832 
2002 20,277  2,245,051 
6,337  1,218,143  1,272,331 
2003 18,963  1,888,926 
6,181  1,200,811  1,216,886 
2004 15,980  1,607,158 
5,010  903,079  993,909 
2005 16,466  1,795,341 
4,881  834,533  884,661 
2006 13,998  1,484,391 
4,689  836,151  894,739 
Source: U.S. Bureau of Labor Statistics data on mass layoffs covering employees in all industries and on 
extended mass layoffs covering employees in the private nonfarm sector (i.e., excludes agriculture and 
government). 
Note: The number of separated workers often is larger than the number of initial UI claimants because not all 
separated workers file for benefits. In contrast with the figures on separated workers, which are provided by 
employers with extended mass layoffs or worksite closings, the figures on initial UI claimants are from the 
regular UI reporting system and may include claimants who are not part of a mass layoff or closing. 
In light of the increased interest in offshoring and the lack of data, BLS began in 2004 to ask 
employers who called extended mass layoffs questions about whether movement of work—either 
within or outside the United States—was associated with these events. Because the MLS 
quarterly series excludes layoffs of government employees, layoffs called by small firms, and 
layoffs in which fewer than 50 employees are terminated, it is likely to understate job loss 
associated with offshoring generally and job loss involving white-collar workers in the service 
sector particularly (e.g., accounting clerks at financial services firms, radiologists at medical 
services providers). Thus, no database exists that provides anything approximating a complete 
count of workers separated from payrolls because their company relocated their functions beyond 
U.S. borders. 
With these caveats, the BLS series shows that outsourcing—particularly of work moving 
offshore—is uncommon in extended mass layoffs and accounts for fairly few of the workers 
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terminated in these actions. In 2006, for example, 54,166 workers were involved in the 242 
extended mass layoffs that involved movement of work within and outside the United States. 
These workers accounted for some 10% of all workers let go in long-lasting large-scale layoffs 
conducted for nonseasonal/nonvacation reasons. Employer restructuring (bankruptcy, business 
ownership change, financial difficulty, and reorganization within a company) typically is the 
reason underlying a majority of these layoffs. Most workers separated in extended mass layoff 
events involving domestic or offshore outsourcing had been employed by manufacturers, 
oftentimes transportation equipment manufacturers.4 
Relocation of work most often occurs within the United States and within the same company. In 
2006, employers provided complete information on 227 movement-of-work actions associated 
with the 242 extended mass layoffs that involved work relocation within and outside the United 
States.5 Only 13,067 laid off workers were let go in out-of-country relocations of work. They 
accounted for 39% of all workers separated in extended mass layoffs involving movement of 
work for which complete information is available and 2% of all workers terminated in 
nonseasonal/nonvacation extended mass layoff events. In these offshore relocations of work, jobs 
most often are shifted to Mexico and China. 
 
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Linda Levine 
   
Specialist in Labor Economics 
llevine@crs.loc.gov, 7-7756 
 
 
 
 
                                                                 
4 BLS, Extended Mass Layoffs in the Fourth Quarter of 2006 and Annual Totals for 2006, February 13, 2007. 
5 The number of actions can be greater than the number of layoff events because one layoff can involve multiple 
movements of work (e.g., some work shifting to another facility of the same company within the United States, some to 
another U.S. firm, and some to the company’s own subsidiary in another country). Out of a total of 334 separate 
movement of work actions identified among the 242 extended mass layoff events in 2006 that involved work 
relocation, employers were able to provide complete information on 227. 
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