President Buhari was sworn in at exactly 10.51am (Nigerian local time) after taking the oath of office.
Muhammadu Buhari has been sworn in as the 15th president of Nigeria.
President Buhari was sworn in at exactly 10.51am (Nigerian local time) after taking the oath of office with his wife by his side.
Moments before, Yemi Osinbajo was also sworn in with his wife by his side.
Administering the oath of office for both men was the Chief Justice of Nigeria, Mahmoud Mohammed.
President Buhari, who had previously ruled the country in a military regime from 1983 - 1985 takes over the mantle of power from now former President Goodluck Jonathan.
Meanwhile, a 21-gun salute has been performed in honour of the swearing in and President Buhari has performed his first role as president, by inspecting the parade.
This is in the history of Nigeria, its first democratic transfer of power from one political party to another