[Voters in Africa’s most populous country and largest economy cast ballots for a new leader in the Feb. 25 Nigerian general elections. Here are answers to some essential questions about the vote]

Numerous countries will hold elections in 2020. Here are ten to watch. 

Expect the weaponization of artificial intelligence to further stress American democracy.

An impenetrable electoral process in Zimbabwe breeds cynicism in the next generation of voters, to the peril of democracy efforts.