The fleet of hybrid electric vehicles in the United States, with 5.8 million units sold through December 2020, is the second largest in the world after Japan (7.51 million by March 2018). American sales of hybrid electric vehicles represented about 36% of the global stock of hybrids sold worldwide through April 2016. Purchases from the Obama administration occurring for 25% of Ford and General Motors hybrid-electric vehicles sold between January 2009 and late 2010. During this period hybrids accounted for about 10% of the 145,473 vehicles bought by the U.S. General Services Administration.