Top 10 US Employers by Total WARN-Notice Workers Affected
PlainLayoffs ranks 7,035 employers tracked across state WARN Act filings by the cumulative count of workers named in layoff notices.
Research · WARN Act analysis
Layoff Data Research
Original analysis from PlainLayoffs. Every number here is pulled directly from our live database; nothing is hardcoded.
Original WARN Act research ranks employers, states, and industries from 7,035 tracked employers
According to WARN Act filings submitted to state workforce agencies, PlainLayoffs research pages recompute live from 9,006 notices covering 1,433,550 workers across 7,035 employers (refreshed as of September 2026). Every ranking figure is a database aggregate, nothing is hardcoded, and traces to the underlying notice rows.
Top 10 US States by Total WARN-Notice Workers Affected
PlainLayoffs ranks all 51 US states and territories by the cumulative count of workers named in WARN Act layoff filings.
Top 10 US Industries by WARN-Notice Volume
PlainLayoffs ranks 19 tracked industry sectors by the cumulative count of WARN-notice filings and affected workers.
According to the Labor Department, this WARN Act layoff data covers notices filed from 2008 through the present, refreshed as of September 2026. See our methodology for how these figures are compiled.
Download the compiled employer roster cited on this page: employers.csv (notice counts, workers affected, primary state and industry). Full CSV and JSON live on /data.