Employers took 1,726 mass layoff actions in December that resulted in the separation of 153,127 workers, seasonally adjusted, as measured by new filings for unemployment insurance benefits during the month, the U.S. Bureau of Labor Statistics reported. Each action involved at least 50 persons from a single employer. The number of mass layoff events in December decreased by 87 from the prior month, and the number of associated initial claims decreased by 10,696. Both figures reached their lowest level since July 2008. In December, 433 mass layoff events were reported in the manufacturing sector, seasonally adjusted, resulting in 44,072 initial claims. Both figures decreased over the month to their lowest levels since November and August 2007, respectively.