A ranar 29 ga Mayu, 1999, Abdussalam Abubakar ya miƙa mulki ga wanda ya ci zaɓen shugaban ƙasa na 1999, tsohon shugaban mulkin soji Janar Olusegun Obasanjo a matsayin zaɓaɓɓen shugaban farar hula na biyu na Nijeriya, wanda ke ba da sanarwar farkon Jamhuriyar Nijeriya ta Hudu. Wannan ya kawo ƙarshen kusan shekaru 33 na mulkin soja daga 1966 har zuwa 1999, ban da jamhuriya ta biyu da ba ta daɗe ba (tsakanin 1979 da 1983) ta hannun masu mulkin kama-karya na soja waɗanda suka karɓi mulki a juyin mulki da kuma yin tawaye lokacin juyin mulkin soja na Nijeriya daga 1966 zuwa 1979. da 1983–1999.
Duk da cewa an yi Allah wadai da zaɓukan da suka kawo Obasanjo kan mulki, a zaben shugaban ƙasa na 1999 da kuma wa’adi na biyu a zaben shugaban ƙasa na 2003 a matsayin maras adalci da rashin adalci, amma Nijeriya ta nuna ingantaccen ci gaba a ƙoƙarin magance cin hanci da rashawa na gwamnati da kuma hanzarta ci gaba. Rikicin ƙabilanci don mallakar yankin Neja Delta dake haƙo mai da kuma tayar da ƙayar baya a Arewa-maso-Gabas wasu matsaloli ne da kasar ke fuskanta.
Umaru Yar’Adua na People’s Democratic Party(PDP) ya hau karagar mulki ne a babban zaben 2007. Kasashen duniya da suka sa ido a zabukan NIjeriya don Ƙarfafa tsari na gaskiya da adalci, sun la’anci wannan zaɓe da cewa yana da nakasu sosai. Shugaban ƙasa na wancan lokacin, Olusegun Obasanjo, ya yarda da maguɗi da sauran “laps” amma ya ce sakamakon ya nuna yadda ake gudanar da zabe. A wani jawabin da ya yi a gidan talabijin na ƙasa a 2007, ya ƙara da cewa idan ‘yan Nijeriya ba su son nasarar magajin nasa da ya zaɓa, to za su sami damar sake zabe a cikin shekaru hudu. Yar’adua ya mutu a ranar 5 ga Mayu 2010.
An rantsar da GOODLUCK JONATHAN a matsayin na ‘Yar’adua, ya zama Shugaban ƙasa na 14. Goodluck Jonathan ya yi aiki a matsayin muƙaddashin shugaban Nijeriya har zuwa 16 ga Afrilun 2011, lokacin da aka gudanar da sabon zaben shugaban ƙasa a Nijeriya. Ya ci gaba da lashe zaɓuɓɓukan, yayin da kafafen yaɗa labarai na duniya suka ruwaito cewa zaɓen ya gudana lami lafiya, ba tare da wani tashin hankali ba, ko magudin masu zabe, sabanin zabukan da suka gabata.
Gabanin babban zaben shekarar 2015, haɗewar manyan jam’iyyun adawa guda uku – Action Congress of Nigeria (ACN), Congress for Progressive Change (CPC), All Nigeria Peoples Party (ANPP), wani ɓangare na All Progressives Grand Alliance (APGA) da sabuwar PDP (nPDP), wani ɓangare ne na gwamnonin dake riƙe da madafun iko na Jam’iyyar Democratic Party mai mulki a lokacin – suka kafa jam’iyyar All Progressives Congress(APC).
A zaben shugaban ƙasa na 2015, tsohon shugaban ƙasa na mulkin soja Janar MUHAMMADU BUHARI, shugaban jam’iyyar CPC na APC – wanda ya taɓa tsayawa takara a zaben shugaban ƙasa na 2003, 2007, da 2011 a matsayin ɗan takarar shugaban ƙasa na APC ya kayar da Shugaba mai ci Goodluck Jonathan na Jam’iyyar PDP ta mutane da kuri’u sama da miliyan biyu, wanda ya kawo ƙarshen mulkin jam’iyyar na shekaru goma sha shida a ƙasar, kuma wannan shi ne karon farko a tarihin Nijeriya da wani shugaban ƙasa mai ci ya kayar da ɗan takarar adawa. Gaba ɗaya ‘yan kallo sun yaba da zaben da cewa an yi adalci. haka zalika, an yaba wa Jonathan saboda yarda da shan kaye da kuma taƙaita barazanar tashin hankali.
A zaben shugaban ƙasa na 2019, an sake zaben Muhammadu Buhari a karo na biyu a ofis inda ya kayar da abokin takararsa Atiku Abubakar.
