The US accounted for 37% of global arms sales during the 2016-2020 period and sold arms to 96 countries.
Almost half of its sales went to the Middle East, the Stockholm International Peace Research Institute (SIPRI) said.
US exports increased 15% compared to the 2011-2015 period.
Middle Eastern countries accounted for the biggest increase in arms imports, up 25% in 2016–20 from 2011–15. Saudi Arabia, the world's biggest arms importer, increased its arms imports by 61% and Qatar by 361%. United Arab Emirates recently signed an agreement with the United States to purchase 50 F-35 jets and up to 18 armed drones as part of a $23 billion package.