Regions of the world with the most Atheists according to the World Christian Database (2005).

Complete List

Ranking	Region	Adherent	Percent
1	Eastern Asia	111,640,783	7.3
2	Eastern Europe	11,368,012	3.8
3	Western Europe	4,787,523	2.6
4	Northern Europe	2,421,177	2.5
5	Southern Europe	3,380,806	2.3
6	Caribbean	728,444	1.9
7	Australia/New Zealand	400,410	1.7
8	South-Eastern Asia	6,718,143	1.2
9	Northern America	2,020,848	0.6
10	South America	1,827,005	0.5
11	Southern Africa	160,922	0.3
12	South-Central Asia	4,843,662	0.3
13	Western Asia	577,876	0.3
14	Polynesia	1,521	0.2
15	Central America	232,003	0.2
16	Middle Africa	94,503	0.1
17	Northern Africa	147,156	0.1
18	Melanesia	4,328	0.1
18	Micronesia (Region)	348	0.1
19	Eastern Africa	115,634	0.0
20	Western Africa	76,926	0.0
21	Antarctica	0	0.0

Source

The data presented in QuickLists are from a variety of sources including the U.S. Census Bureau's International Data Base, the U.S. State Department's International Religious Freedom Report, the United Nations Human Development Reports, and others.

[Further information about this data source]