Mezue ahịrịokwu na-esonụ: Ọchịchị Barack Obama dị ka onye isi ala nke 44 nke United States malitere site na
ọ malitere ọrụ ya na Jenụwarị 20, 2009, wee gwụ na Jenụwarị 20, 2017. Obama, onye Democrat si Illinois, batara n'ọchịchị mgbe o meriri onye Republican bụ John McCain na ntuliaka onyeisiala nke afọ 2008. Afọ anọ ka e mesịrị, na ntuliaka onyeisiala nke afọ 2012, o meriri onye na-azọ ọkwa onyeisiala site n'aka ndị Republican bụ Mitt Romney iji merie ntuliaka ọzọ. Onye meriri Obama bụ onye Republican Donald Trump, onye meriri na ntuliaka onye isi ala nke 2016. Ọ bụ onye isi ala mbụ nke ndị Afrịka America, onye isi ala mbụ nke ọtụtụ agbụrụ, onye isi ala mbụ nke na-abụghị onye ọcha, na onye isi ala mbụ a mụrụ na Hawaii.