The number of U.S. forces in Iraq today stands at a fraction of the troop strength during the war that started with the coalition invasion in 2003. Nevertheless, their presence remains unpopular among Iraq's Shiite lawmakers and militias aligned with Iran.
![This chart shows U.S. troop levels in Iraq from 2003 to today.](https://www.stratfor.com/sites/default/files/styles/wv_small/public/US_Iraq_Troop_Level-01092020.png?itok=nM131Jmd)