How many people follow christianity?

Approximately 2.1 billion people follow Christianity, while 1.1 billion people follow Islam. read more

In 1910, about two-thirds of the world’s Christians lived in Europe, where the bulk of Christians had been for a millennium, according to historical estimates by the Center for the Study of Global Christianity. 2 Today, only about a quarter of all Christians live in Europe (26%). read more

About half of all Christians in the world are Catholic, 37 percent are part of the Protestant tradition, 12 percent are Orthodox Greek or Russian. The largest population of Christians (243 million) is found, incidentally, in the United States, followed by Brazil, Mexico, Russia, the Philippines, Nigeria and China. read more