Buhari joined the 1962 Nigerian armed forces in, was from 1974 to 1975 Military Governor of the State of North-East, has held various ministerial positions in the military government of Olusegun Obasanjo, overthrew the democratically elected President of the Second Republic, Shehu Shagari end of 1983 in a military coup, and pursued a strongly nationalistic policy.
He tried to get, without external interference, by the World Bank or the International Monetary Fund ( IMF) in the handle that began under Shagari economic crisis, which was consistent with the fall in oil prices in context. In order to fight corruption, he left a campaign " War Against Indiszipline " ( war against indiscipline ) exclaim that made him notorious, but was unsuccessful in economic terms. Especially polemically and with many reprisals went before the campaign against the women of Nigeria, where the blame for the moral decline of the nation has been postponed. The result, especially in the state of Bendel (now Edo (State) ) to massive woman protests, tax strikes and boycotts market, the Buhari forced to back down ( the entire supply of the population with food was in the hands of women). After disputes within the military in 1985 he was overthrown in a palace coup by General Ibrahim Babangida and imprisoned until 1988.
Appointed by military dictator Sani Abacha as Chairman of the Petroleum Trust Fund, the development projects should carry out oil revenues, Buhari returned to the Fourth Republic from 1999 to the Policy and entered since then in the presidential elections of 1999, 2003 and 2007 as the candidate of the All Nigeria People's Party at ( ANPP ). He was widely disputed elections in 2003 32.19 % of the vote against the 1999 elected Olusegun Obasanjo and put a choice contradiction. In December 2006, Buhari was set up by more than 6000 delegates of the ANPP without election as a candidate for the presidential elections in April 2007. Previously, all intra-party competitors had given up. Buhari's running mate was Edwin Ume - Ezeoke.
Also in the 2011 presidential elections he was candidate of ANP .. He was defeated by incumbent President Goodluck Jonathan. He was able, according to the Election Commission delivered by well 12.2 million of a total of approximately 34.5 million to bring a third of the voters behind him votes