France, April 26 -- As world leaders gather in Rome for Pope Francis's funeral on Saturday, many Catholics are wondering if the church could soon elect its first black pope. With Africa home to one in five Catholics, the idea of a pope from the continent is gaining ground.

Since Francis's death over Easter, one name gaining attention in the Vatican is Ghana's Cardinal Peter Turkson.

In 2010, Turkson said he wasn't ready to become pope and that the church might not be ready either. "I wouldn't want to be that first black pope. I think he'll have a rough time," he said.

But Africa's share of the Catholic population is growing. The continent is now home to 20 percent of the world's 1.4 billion Catholics, as the church struggles to hold on...