At the same time, not all countries in Western Europe have low levels of religious commitment, and not all countries in Central and Eastern Europe are at the higher end of the index. For instance, 37% ...

The numbers of people with no religious identity will soar in the United States and Europe, but the unaffiliated will lose worldwide market share as Christians maintain a steady growth.

The five largest religions — Islam, Buddhism, Christianity, Judaism, and Hinduism — represent about 77% of the world population. Their spread throughout parts of Asia and Europe, and gradually ...

And Austria, with its 20 percent projection, is on guard. The majority-Catholic nation recently published an online Islam Map, to identify mosques and other centers of politicized religion ...

The above map shows historical data and projections for the growth of Muslim populations in Europe in 2030. Methodology Population estimates from Pew Research Religion and Public Life Project.