Pew Research CenterDecember 19, 2011

Map: Global Christianity

Select one of 232 countries, a region or the world to see the size of the Christian population in 2010. Filter data to see the 2010 population of the Christian traditions.

Pew Research CenterJanuary 1, 2011

Map: The Future of the Global Muslim Population

These maps allow users to select a country, a region or the world – as well as a decade – and see the size of the Muslim population in that place and time.