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

Complete List

Ranking	Region	Adherents	Percent
2	Antarctica	1,246	23.6
4	Australia/New Zealand	3,892,770	16.0
10	Caribbean	2,738,359	6.8
17	Central America	527,482	1.3
22	Eastern Africa	977,928	0.3
1	Eastern Asia	567,506,250	37.3
9	Eastern Europe	26,216,370	8.8
20	Melanesia	72,789	0.9
18	Micronesia (Region)	6,429	1.2
21	Middle Africa	638,703	0.6
19	Northern Africa	2,011,711	1.1
7	Northern America	40,557,652	9.3
5	Northern Europe	11,381,979	11.8
14	Polynesia	16,781	2.6
12	South America	10,440,781	2.8
16	South-Central Asia	26,158,184	1.6
11	South-Eastern Asia	17,337,018	3.1
13	Southern Africa	1,487,070	2.7
8	Southern Europe	13,278,859	8.8
6	The World	764,247,730	11.7
22	Western Africa	908,870	0.3
15	Western Asia	4,333,774	2.0
3	Western Europe	33,756,725	18.1

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]