Japan has 63,690 members of the U.S. military, according to the Quincy Institute for Responsible Statecraft, which puts it in first place. [nativounit]The two primary reasons for the size of America’s military presence in Japan are the military occupation of the nation after WWII and the strategic position the US holds geographically near China and North Korea. While the US presence in Japan is not likely to grow, it is unlikely to get smaller, even as Japan builds its military. The Chinese have built a large military presence nearby to get Japan to relinquish its ownership. [wallst_email_signup]Based on current circumstances, Japan will continue to play host to more American military personnel than any other country over the course of the foreseeable future.