In 1999, Nigeria became a democracy, where people choose their leaders. After that, Olusegun Obasanjo, a Yoruba Christian from the south, became President. In 2007, Umaru Yar'Adua, a Hausa Muslim, was elected to be the next President. Yar'Adua died in May, 2009. Goodluck Jonathan, the vice president, then became president.