A new study reflects a historic population shift that has been years in the making and indicates that Christianity’s future lies less in America or Europe and more in sub-Saharan Africa. By 2060, a plurality of the world’s Christians – more than 40 percent – will call sub-Saharan Africa home, up from 26 percent in 2015, according to the new analysis of demographic data by Pew. At the same time, the share of Christians living in many other regions – notably Europe – is projected to further decline, even as the Muslim population there continues to rise. “This shift in...