The data shows the percentage of Nonreligionists by country for the year 2010.

For display purposes the data shows the major religions, displayed as a percentage (over 1 percent) by country. Countries where data is less than 1 percent are shown in grey.

Data Definition: Nonreligionists - term encompassing both (a) agnostics: Persons who claim no religion or claim that it is not possible to know if God, gods, or the supernatural exist and (b) atheists: Persons who deny the existence of God, gods, or the supernatural. (Source: World Religion Database: Standard names and definitions for the 18 top-level religions, November 2014)

Data Source: Todd M. Johnson and Brian J. Grim, eds. World Religion Database (Leiden/Boston: Brill, August 2014)

Data Methodology: Read more on the specific methodology and definitions for this data here at the World Religion Database