Which religion is the most popular in the world?

Christianity
Islam
Buddhism
Hinduism
The CIA's World Factbook gives the distribution of religions as Christian 33.39%, Muslim 22.74%, Hindu 13.8%, Buddhist 6.77%, Sikh 0.35%, Jewish 0.22%, Baha'i 0.11%, other religions 10.95%, non-religious 9.66%, atheists 2.01%. (2010 est.)
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reach: rather globalgeographyHinduismIslamreligionsworld
Christianity
Islam
Buddhism
Hinduism
answers
flagLithuania
78%
10%
5%
5%
38
flagAustria
74%
17%
5%
3%
58
flagPoland
72%
18%
4%
4%
24230
flagGermany
71%
18%
5%
3%
360
flagItaly
72%
24%
1%
2%
83
flagUnknown
69%
22%
4%
3%
1055
flagCanada
68%
21%
6%
3%
144
flagthe United Arab Emirates
68%
31%
0%
0%
66
flagSpain
68%
19%
1%
9%
51
flagDenmark
68%
28%
0%
2%
45
flagSweden
68%
20%
4%
6%
45
flagthe United States
67%
22%
3%
5%
1058
flagRepublic of Ireland
66%
19%
4%
8%
72
flagAustralia
66%
30%
3%
0%
63
flagFrance
65%
22%
4%
7%
63
flagNorway
65%
17%
6%
6%
58
flagthe United Kingdom
64%
26%
4%
4%
805
flagPakistan
64%
30%
3%
0%
88
flagIndia
62%
28%
2%
3%
139
flagthe Netherlands
59%
24%
7%
8%
79