Irreligion by country

Irreligion, which may include deism, agnosticism, ignosticism, anti-religion, atheism, skepticism, ietsism, spiritual but not religious, freethought, anti-theism, apatheism, non-belief, pandeism, secular humanism, non-religious theism, pantheism and panentheism, varies in the different countries around the world. According to a 2014 WIN-Gallup International Association (WIN/GIA) Poll, 33% of the world's population are estimated to be atheists or non-religious.

Each Poll uses different questions and methods:-

The numbers come from different years, and might not be accurate for countries with governments that require or urge religion or secularism.

Countries with the greatest number of people without religion (atheists and agnostics) based on the total population of each country as of 2004 and the percentage of non-religious people according to Zuckerman:-

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