Countries With the Most Atheists

Can you name the countries with the most convinced atheists?

Keep in mind convinced atheists are different from someone who feels irreligious

Found by multiplying the % of population that is convinced atheist by the population

Shoutout to Claude AI for helping to find out the info

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Last updated: June 15, 2025

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Estimated Atheist Population	Country	Estimated Atheist Population (%)
960 Million	China	68%
43 Million	India	3%
37 Million	Japan	30%
34 Million	United States	10%
23 Million	Russia	16%
18 Million	North Korea	71%
17 Million	Brazil	8%
16 Million	South Korea	31%
15 Million	Vietnam	15%
12 Million	Germany	15%
12 Million	United Kingdom	18%
12 Million	France	17%
7.4 Million	Canada	19%
7.2 Million	Italy	12%
7.1 Million	Spain	15%
6.6 Million	Mexico	5%
4.9 Million	Ukraine	13%
4.9 Million	Czechia	47%
3.9 Million	Australia	15%
2.8 Million	Argentina	6%