Regions of the world with the most non-religious according to the World Christian Database (2005).

Complete List

Ranking	Region	Adherents	Percent
1	Eastern Asia	553,215,418	36.1
2	Antarctica	1,246	23.6
3	Eastern Europe	53,295,415	17.9
4	Western Europe	30,628,732	16.5
5	Australia/New Zealand	3,845,865	16.0
6	The World	768,598,424	11.9
7	Northern Europe	11,312,010	11.9
8	Northern America	31,710,190	9.6
9	Southern Europe	13,119,171	9.0
10	Caribbean	3,135,943	8.0
11	South-Eastern Asia	18,010,525	3.2
12	Southern Africa	1,443,263	2.8
13	South America	9,917,750	2.7
14	Polynesia	16,836	2.6
15	Western Asia	4,944,280	2.3
16	Central America	3,195,223	2.2
17	South-Central Asia	26,133,820	1.6
18	Micronesia (Region)	8,412	1.6
19	Northern Africa	2,051,491	1.1
20	Melanesia	65,201	0.8
21	Middle Africa	648,465	0.6
22	Eastern Africa	1,004,131	0.4
23	Western Africa	895,037	0.4

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]