U.S. ends Iraq combat mission President Joe Biden has confirmed that the U.S. combat mission in Iraq will be over by the end of the year, with the remaining 2,500 U.S. troops shifting to advisory, air support and surveillance roles U.S. troop levels in Iraq President President Barack Obama President George W. Bush Donald Trump 130,000 Mar 2003: U.S.-led invasion of Iraq May, 145,000: President Bush declares “mission accomplished” Jan 2005, 150,000: Milestone elections begin in Iraq Dec 2006, 129,000: Saddam Hussein executed 165,607 Jan 2009: President Obama takes office 148,500 Dec 2010: 48,410 Dec 2011, 44,755: Most combat troops leave Iraq Jan 2012: 11,445 Nov 2014, 1,600: Obama boosts troop numbers to 3,100 after Islamic State group (IS) captures large swaths of Iraqi territory 2016: Obama accelerates campaign against IS Jan 2017: President Trump takes office 5,200 Jan 2020: Iraq calls for complete withdrawal of all troops after U.S. kills Iran’s General Qassem Soleimani near Baghdad Apr 2021: Iraq and U.S. agree on withdrawal of all U.S. combat troops 2,500 President Joe Biden 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 Source: U.S. Defense Manpower Data Center Pictures: Associated Press © GRAPHIC NEWS