article_snippet: The next leader will have to ensure the gains stay on track.
article_snippet: And let's face it, the world does not need another failing state, especially one with such a massive population.
article_snippet: The key issues are power, security and the economy.
article_snippet: But many complain that the country's vast wealth from oil exports does not trickle down to the average citizen.
article_snippet: Corruption has been a hindrance to building a stable economy despite years of democracy, analysts say.
article_snippet: But Muhammadu Buhari has pledged to make fighting graft and insecurity a priority if Muhammadu Buhari wins, which might appeal to those who've run out of patience with the current government.
article_snippet: Or maybe they will feel that they need a military leader to address fundamental problems such as terrorism.