In previous research, AAF found there were 20.5 million to 29.7 million workers participating in the gig economy in 2014.
From 2002 to 2014, while total employment increased 7.2 percent, gig workers increased by between 8.8 percent and 14.4 percent. From 2010 to 2014, independent contractors alone increased by 2.1 million, accounting for 28.8 percent of all jobs added during the time period.
[ American Action Forum – November 17, 2016 ]