evidence: The United States has spent about $2.26 trillion between 2001 and 2021 on the war in Afghanistan according to an analysis by Brown University’s Costs of War project. [...] The project found that the United States since 2001 has spent about $2.26 trillion on the Afghanistan war. The total includes interest on war borrowing and $296 billion for veterans’ care. The total figure does not include lifetime care for veterans or future interest payments on money borrowed to pay for the war.