Employers took 1,534 mass layoff actions in January involving 149,799 workers, seasonally adjusted, as measured by new filings for unemployment insurance benefits during the month, the U.S. Bureau of Labor Statistics reported. Each mass layoff event involved at least 50 workers from a single employer. The number of mass layoff events in January increased by 51 from December, and the number of associated initial claims increased by 11,807. In January, 341 mass layoff events were reported in the manufacturing sector, seasonally adjusted, resulting in 39,189 initial claims; both figures increased over the month.