Obama warns on Africa leaders refusing to step down

US President Barack Obama has finished his visit to Africa by notice the mainland won't progress if its pioneers decline to venture down when their terms end.

"No one ought to be president forever," Mr Obama said.

He was talking at the African Union's central command in Ethiopia's capital, Addis Ababa, the first run through a sitting US president has tended to the body.

Prior in the trek, Mr Obama went by Kenya, the country of his late father.

Africa Live: Obama at AU

"I don't comprehend why individuals need to stay so long, particularly when they have got a great deal of cash," he told the 54-part AU, an obvious feedback of African pioneers who have done quite recently that.

Approaching the AU to guarantee pioneers regard their constitutions and venture down when their term closes, Mr Obama particularly said Burundi, whose president Pierre Nkurunziza has questionably been re-chosen for a third term.

"Here and there you will hear pioneers say 'I'm the main individual who can hold this country together.' If that is genuine, then that pioneer has neglected to really assemble their country."