According to the Federal Reserve, March 26th address, the share of people working part time positions out of economic necessity has declined. Part time employment out of necessity is an indicator of underutilization.
According to the Federal Reserve report, the share of unemployment that are periods of more than 6 months have been higher than 40% since December 2009. By comparison, the share of unemployment that was longer than 6 months was never more than 25% during the 1981 and 1982 recession, which was considered severe. As a result, many of these individuals seek Part Time employment of necessity.
This is an area of significant concern, as long term unemployment has several significant and long term negative effects on individuals and the economy.