The methodology in the country table is based upon global Gallup Poll research.[4] The Gallup poll has a broad question: the question “Is religion important in your daily life?” was asked; the “yes” and “no” answers are represented below. Discrepancies are due to the “Don’t Know” and “Refused” answers.
In terms of demographics, India ranks as the country with the largest number of highly religious people in the world, with an estimated 960 million to 1 billion believers. China, although its number is less than a fifth of its total population (~18-19%), ranks second, with an estimated 240-260 million believers, followed by Indonesia (~235 million), the United States (~205 million), Pakistan (~175 million), Brazil (~168 million), Nigeria (~163 million) and Bangladesh (~161 million).[5][6][7][8]
| Country | Yes, important | No, unimportant |
|---|---|---|
 Estonia |
16% | 78% |
 Sweden |
16.5% | 83% |
 Denmark |
18% | 80.5% |
 Czech Republic |
20.5% | 74.5% |
 Norway |
20.5% | 78% |
 Hong Kong |
23% | 75.5% |
 Japan |
23.5% | 75% |
 Netherlands |
24.5% | 75.5% |
 United Kingdom |
26.5% | 73% |
 Finland |
28% | 70% |
 France |
29.5% | 69.5% |
 Vietnam |
29.5% | 69.5% |
 Australia |
32% | 67.5% |
 Albania |
32.5% | 62% |
 South Korea |
32.5% | 65.5% |
 Belarus |
33% | 57.5% |
 Belgium |
33% | 57.5% |
 New Zealand |
33% | 66% |
 Russia |
33% | 60.5% |
 Bulgaria |
33.5% | 62% |
 Cuba |
33.5% | 64% |
 Hungary |
39% | 58.5% |
 Latvia |
39% | 58.5% |
 Germany |
40.5% | 59% |
 Uruguay |
40.5% | 59% |
 Lithuania |
41.5% | 49.5% |
 Switzerland |
41.5% | 56% |
 Canada |
42% | 57% |
 Kazakhstan |
43% | 48.5% |
 Taiwan |
45% | 54% |
 Montenegro |
45.5% | 48% |
 Ukraine |
45.5% | 48.5% |
 Slovakia |
46.5% | 51.5% |
 Slovenia |
47% | 52.5% |
 Azerbaijan |
49.5% | 48.5% |
 Israel |
49.5% | 49.5% |
 Spain |
49.5% | 50% |
 Serbia |
50.5% | 46.5% |
 Uzbekistan |
51% | 45.5% |
 Ireland |
53.5% | 46.5% |
 Austria |
55% | 43% |
 Belize |
61.5% | 33% |
 Kosovo |
63.5% | 31.5% |
 United States |
65% | 34.5% |
 Argentina |
66% | 33% |
 Bosnia and Herzegovina |
66% | 29.5% |
 Croatia |
66.5% | 30.5% |
 Chile |
69.5% | 29.5% |
 Jamaica |
70% | 29.5% |
 Singapore |
70% | 29% |
 Portugal |
71.5% | 29.5% |
 Italy |
71.5% | 26% |
 Moldova |
71.5% | 19% |
 Greece |
71.5% | 26% |
 Mexico |
72% | 25.5% |
 Armenia |
72.5% | 25% |
 Kyrgyzstan |
72.5% | 25% |
 Poland |
74.5% | 19.5% |
 Cyprus |
75% | 24.5% |
 Haiti |
75% | 22.5% |
 Botswana |
77% | 23% |
 Macedonia |
78.5% | 20.5% |
 Costa Rica |
79% | 19.5% |
 India |
79% | 17% |
 Venezuela |
79% | 20.5% |
 Georgia |
80% | 16% |
 Togo |
80% | 13% |
 Ecuador |
82% | 17.5% |
 Colombia |
82.5% | 16% |
 Iran |
82.5% | 15.5% |
 El Salvador |
83% | 15.5% |
 Peru |
83.5% | 14.5% |
 Honduras |
84% | 15.5% |
 Nicaragua |
84% | 15% |
 Puerto Rico |
84.5% | 13.5% |
 South Africa |
84.5% | 15.5% |
 Dominican Republic |
86% | 13.5% |
 Iraq |
86% | 10.5% |
 Mozambique |
86% | 14% |
 Brazil |
86.5% | 13% |
 Burkina Faso |
87.5% | 12% |
 Zimbabwe |
87.5% | 12.5% |
 Angola |
88% | 10.5% |
 Guatemala |
88% | 9% |
 Ivory Coast |
88% | 12% |
 Panama |
88% | 10.5% |
 Bolivia |
88.5% | 10.5% |
 Lebanon |
89.5% | 10% |
 Turkey |
89.5% | 9.5% |
 Ethiopia |
91% | 9% |
 United Arab Emirates |
91% | 8.5% |
 Namibia |
91.5% | 8.5% |
 Paraguay |
91.5% | 7.5% |
 Trinidad and Tobago |
92% | 8% |
 Benin |
92.5% | 6.5% |
 Kuwait |
92.5% | 5.5% |
 Algeria |
93% | 6.5% |
 Madagascar |
93% | 7% |
 Nepal |
93% | 6% |
 Palestine |
93% | 6% |
 Tunisia |
93% | 5% |
 Uganda |
93% | 7% |
 Central African Republic |
94% | 6% |
 Chad |
94% | 6% |
 Kenya |
94% | 6% |
 Liberia |
94% | 6% |
 Sudan |
94% | 6% |
 Thailand |
94% | 5.5% |
 Ghana |
94.5% | 5% |
 Mali |
94.5% | 5.5% |
 Qatar |
94.5% | 4.5% |
 Republic of the Congo |
94.5% | 5.5% |
 Saudi Arabia |
94.5% | 3.5% |
 Rwanda |
95% | 4.5% |
 Bahrain |
95.5% | 3.5% |
 Cameroon |
95.5% | 4.5% |
 Malaysia |
95.5% | 3.5% |
 Nigeria |
95.5% | 2.5% |
 Philippines |
95.5% | 4% |
 Cambodia |
96% | 3.5% |
 Comoros |
96% | 2.5% |
 Yemen |
96% | 3.5% |
 Burma |
96.5% | 3% |
 Jordan |
96.5% | 3.5% |
 Laos |
96.5% | 2.5% |
 Pakistan |
96.5% | 2.5% |
 Senegal |
96.5% | 3.5% |
 Tanzania |
96.5% | 3.5 |
 Afghanistan |
97% | 3% |
 Guinea |
97% | 3% |
 Zambia |
97% | 3% |
 Burundi |
97.5% | 2.5% |
 Djibouti |
98% | 1.5% |
 Egypt |
98% | 2% |
 Mauritania |
98% | 1.5% |
 Sierra Leone |
98% | 1.5% |
 Democratic Republic of the Congo |
98.5% | 1.5% |
 Malawi |
98.5% | 1.5% |
 Morocco |
98.5% | 1% |
 Indonesia |
99% | 1% |
 Sri Lanka |
99% | 1% |
 Romania |
99.9% | <0,1% |
 Bangladesh |
100% | 0% |
 Niger |
100% | 0% |
 Somalia |
100% | 0% |