Labor force participation rates by age declined slightly from 2009 to 2010 for all age groups except for those aged 55+, which increased from 39.9% in 2009 to 40.1% in 2010, a change of +0.2%, according to a 2011 analysis of Bureau of Labor Statistics employment indicators. The largest decrease in labor force participation occurred in the 35-44 year age group, which dropped from 83.2% in 2009 to 80.9% in 2010, a change of -2.3%.