Pedzisa mutsara unotevera: Barack Obama akatanga kuva purezidhendi wechi44 weUnited States
kutanga kwake muna Ndira 20, 2009, uye akapera muna Ndira 20, 2017. VaObama, veDemocrat vanobva kuIllinois, vakapinda muhofisi mushure mekukunda zvine mutsindo mumiriri weRepublican John McCain musarudzo dzemutungamiri wenyika dza2008. Makore mana gare gare, musarudzo dzemutungamiri wenyika dza2012, akakunda mumiriri weRepublican Mitt Romney kuti akunde kusarudzwazve. Obama akatsiviwa naRepublican Donald Trump, uyo akakunda sarudzo dzemutungamiri wenyika dza2016. Akanga ari purezidhendi wokutanga wechiAfrica wokuAmerica, purezidhendi wokutanga wedzinza rakasiyana-siyana, purezidhendi wokutanga asiri muchena, uye purezidhendi wokutanga akaberekerwa muHawaii.