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Random freezes, missing sound and display glitches usually trace back to one bad driver. Find and replace yours safely.Free scan · under a minuteA March 2003 Computerworld report said Challenger, Gray & Christmas CEO John A. Challenger estimated that more than 2.5 million U.S. jobs had been lost in the 18 months after the September 11, 2001 attacks. That is an attributed estimate for a period—not proof that the attacks caused every loss counted. The underlying tally’s rules and data are not available in the report excerpt, so the figure cannot be independently reconstructed from that account.
What does the 2.5 million figure mean?
Computerworld reported the figure on March 25, 2003, attributing it to John A. Challenger, CEO of the outplacement firm Challenger, Gray & Christmas. The reported window was the 18 months following September 11, 2001. The claim is best understood as an estimate of job losses reported during that interval. The available account does not establish that it was a net change in payroll jobs, a count of unemployed people, or a tally limited to layoffs directly caused by the attacks. Computerworld’s March 2003 report does not expose enough of the underlying methodology to verify the precise total or its causal basis.
Why the timing does not establish that 9/11 caused every loss
The U.S. economy was already in recession before the attacks. The Bureau of Labor Statistics says: “The longest postwar expansion in the Nation’s history ended when the economy entered a recession in March 2001.” September 11 came about six months later, so an estimate covering the subsequent 18 months spans both the recession and the attacks’ aftermath. A job loss occurring after September 11 is not, on timing alone, evidence that the attacks caused it. BLS’s analysis of the 2001 labor market supplies this economic context.
How BLS employment figures differ from the headline tally
Employment statistics can count different things. Before comparing numbers, identify whether the measure counts payroll jobs, employed people, announced cuts, or gross gains and losses at establishments. These are not interchangeable units.
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| Measure | What it counts | Relevant figure and qualification |
|---|---|---|
| Challenger estimate reported by Computerworld | A reported tally of job losses; the available report excerpt does not specify enough about its counting rules to classify it as a net payroll change or an unemployment count. | More than 2.5 million over the 18 months after September 11, 2001, attributed to John A. Challenger in March 2003. Causation and the exact total are not independently established. |
| BLS Current Employment Statistics (CES) | Nonfarm payroll jobs, based on an establishment survey. | 129.9 million nonfarm payroll jobs in September 2003, as reported by BLS. This is a job level, not a count of people unemployed. |
| BLS Current Population Survey (CPS) | People’s labor-force status and employment, based on a household survey and different definitions and methods from CES. | 137.6 million employed people in September 2003, as reported by BLS. This is not directly comparable to the CES payroll-job level. |
| BLS Business Employment Dynamics | Gross job gains and gross job losses at establishments, using linked Quarterly Census of Employment and Wages records. | A separate establishment-flow framework; it is not the same as announced layoff plans or the Computerworld tally. |
The two September 2003 BLS figures are useful examples of why a job count and a count of employed people can differ: one measures payroll jobs, while the other measures people under a separate survey. BLS’s September 2003 employment release describes both survey results. BLS explains the establishment-level approach in its Business Employment Dynamics program.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What the payroll trend and transportation estimate show
A separate historical BLS series displayed in 2011 shows 131.762 million payroll jobs in August 2001 and 130.444 million in February 2002. That is a comparison of payroll-employment levels across those months; it is not the same measure as the reported 2.5 million tally and does not assign the change to a single cause. BLS’s historical payroll comparison provides those figures.
BLS also reported that nearly 125,000 transportation jobs were lost following the attacks. This is a sector-specific estimate, not a replacement for the broader headline claim, and the available source does not make it a measure of all post-attack job losses. BLS’s 2006 transportation-sector analysis gives that narrower figure.
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How to read the claim responsibly
- Attribute the figure: it was reported by Computerworld in March 2003 and attributed to Challenger, Gray & Christmas CEO John A. Challenger.
- Keep its time window attached: the estimate refers to the 18 months after September 11, 2001.
- Do not describe the entire tally as a verified causal count. The economy had entered recession in March 2001, and the published excerpt does not provide enough methodology to reconstruct the figure.
- Do not substitute BLS payroll-job levels, household-survey employment, or transportation-sector losses for the headline estimate; each measures a different population or concept.
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