Barack Obama, weDemocrat anobva kuIllinois, akasarudzwa kuva Mutungamiriri weUnited States musi waNovember 4, 2008 uye akagadzwa kuva mutungamiriri wenyika wechi44 musi waJanuary 20, 2009. Akasarudzwazve musi waNovember 6, 2012, kuzogadzwa kwake kwechipiri
rakaitwa musi wa 21 Ndira 2013, uye hutungamiri hwake hwakapera musi wa 20 Ndira 2017 nekugadzwa kwaDonald Trump. Nyaya dzinotevera dzinotaura nezvenguva yaObama ari mutungamiri wenyika: