President of Nigeria became the newly elected civilian president. Obasanjo served two terms in office. In May 2007, Alhaji Umaru Yar'Adua was sworn in as President of the Federal Republic of Nigeria, the 13th head of state of Nigeria. Yar'Adua died on 5 May 2010 in the Presidential villa, in Abuja, Nigeria. On 6 May 2010, the Vice President Goodluck Jonathan was sworn in as President of the Federal Republic of Nigeria and the 14th head of state. On 29 May 2015, Muhammadu Buhari was sworn in as President of the Federal Republic of Nigeria and the 15th head of state after winning
Head of state means (popular direct or indirect election); however, like all other systems, the presidential model also encompasses people who become head of state by other means, notably through military dictatorship or "coup d'état", as often seen in Latin American, Middle Eastern and other presidential regimes. Some of the characteristics of a presidential system (i.e., a strong dominant political figure with an executive answerable to them, not the legislature) can also be found among absolute monarchies, parliamentary monarchies and single party (e.g., Communist) regimes, but in most cases of dictatorship, their stated constitutional models are applied in name only and not in