More than 50 million people throughout the world are currently considered refugees and internally displaced persons.
The falling price of oil in Nigeria has meant dwindling revenues for the Nigerian government, and the states, since 2014.
"Unfortunately, the outgoing government did not cooperate," Buhari told reporters Monday.
The United States donated $5 billion to the coalition fighting Boko Haram militants.
Sudanese President Omar al-Bashir can still be arrested anywhere and by anyone -- but the will to do so is lacking.
Nigerian President Muhammadu Buhari said it's time to put an end to the Boko Haram crisis once and for all.
Nigeria has some of the highest paid lawmakers in the world, earning up to $2 million a year.
Officials suspect Boko Haram is behind the attempted attack on the city of Maiduguri.
The tense House and Senate leadership votes suggest President Muhammadu Buhari could be vulnerable to internal disputes and a future attack from the Peoples Democratic Party.
The Tripartite Free Trade Area will cover 26 African countries, ranging from the northernmost to the southernmost, and the richest to the poorest.
Nigeria's main political parties struck a deal in which Bukola Saraki was elected Senate President if Ike Ekweremadu returned as Deputy Senate President.
The decision to exclude Israel, despite a draft recommendation from a high-ranking U.N. official, was reportedly made under "intense pressure" from Washington and Tel Aviv.
The Chinese Football Association has described Hong Kong's team as being made up of people “with black skin, yellow skin and white skin.”
Nigerian President Buhari requested assistance from the G7 leaders on Nigeria's chief concerns including terrorism, economy, infrastructure and corruption.
Merkel, once dubbed the "climate chancellor," hopes to revitalize her green credentials.
Northeastern Nigeria, the stronghold of Boko Haram, was witness to two fatal attacks over the weekend.
Forward Alex Morgan leads the U.S. against Australia on Monday in their first World Cup match.
The double suicide bombing at a crowded market in Yola on Thursday killed at least 31 people and wounded scores more.
Vice President Yemi Osinbajo was allegedly refused "security clearance" and "locked out" from the "very sensitive meeting," a source said.
"For too long, our quest for peace and progress has been disrupted and frustrated by social ills, many of them perpetrated by young people," the president said.
While some investors are dubious about Africa's political problems, its economic future remains bright, Ernst & Young analysts say.
The continent has experienced a massive increase in cell phone users, but the infrastructure needs to be there.
