500 years after the Reformation, 5 facts about Protestants around the world

This week, Protestants commemorated the 500th anniversary of the beginning of the Reformation. While the exact date of the anniversary is debated, it’s conventionally commemorated on Oct. 31, when Martin Luther publicly posted his criticisms of the Roman Catholic Church in Wittenberg, Germany, precipitating an eventual schism with Rome throughout much of Northern and Central Europe. Five centuries later, global Protestant Christianity looks very different than it did at its inception. Fact Tank has a look at some key facts about Protestants around the world through data collected over time by Pew Research Center.