Kammala wannan jumla: Bayan da ya ci nasara da Alan Keyes don lashe kujerar majalisar dattijai kuma ya yi rantsuwa a ranar 4 ga Janairu, 2005, Obama ya rubuta "The Audacity of Hope", wanda aka saki a watan Oktoba 2006. Duk da cewa da farko ya ce ba shi da wani shiri na gaggawa na tsayawa takarar shugaban kasa kuma zai yi cikakken wa'adinsa a majalisar dattijai, Obama zai ci gaba da
ya yi takara kuma an zabe shi Shugaban Amurka na 44 a ranar 4 ga Nuwamba, 2008, ya zama Ba'amurke ɗan Afirka na farko da aka zaɓa zuwa mafi girman ofishin ƙasar. A ranar 6 ga Nuwamba, 2012, an sake zabar Obama a karo na biyu a matsayin Shugaban Amurka, inda ya kayar da tsohon gwamnan Massachusetts Mitt Romney.