The number of Muslims in the world and the number of people who do not have a religious affiliation both grew faster than the number of Christians globally between 2010 and 2020, reports the Pew Research Center.
According to a recently released report based on the US-based research centre's analysis of more than 2,700 censuses and surveys, while Christians (of all denominations, counted as one group) remained the world’s biggest religious group, they did not keep pace with global population growth during this decade.
