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CivMetrics collects key jobs data for the largest cities and states in the United States. In this post, we look at WARN Act layoffs in all 50 states. For questions about our data, or to request data, please contact [email protected]. Data is collected from state agencies.

California leads the pack for the most mass layoffs in 2023 so far, according to WARN Act notice data compiled by CivMetrics.

The WARN Act requires employers with 100+ employees to give 60 days notice when conducting a mass layoff. The employer also must file a notice with the state listing the number of workers slated to be laid off.

Below, find a sortable list of states that make their WARN Act layoff data public. Which state has seen the most mass layoffs since the beginning of 2023?

Want to search for individual layoff events? Click here to browse our full WARN Act notice database.

NOTE: Some states do not make their WARN notices public, and such states are not included on this list. Layoff data only includes WARN Act-eligible layoffs. Thus, this list does not include layoffs conducted by employers with less than 100 employees.