The U.S. provided nearly half of the conventional weapons sold to developing nations in 2005, according to the "Conventional Arms Transfers to Developing Nations" report that is prepared every eight years for Congress. The U.S. is the only country that has two distinct accounting systems for exporting weapons: government-to-government and commercial. There is no official data on commercial sales, and exporters are not required to report sales contract data to the U.S. Department of State. The following information concerns government-to-government sales:
Source: "Conventional Arms Transfers to Developing Nations, 1998-2005," by the Congressional Research Service.