| Country | Survey | |||
| EB | ISSP | EVS/WVS | DHS | |
| Albania | 0 | 0 | 681 | 0 |
| Algeria | 0 | 0 | 4 | 0 |
| Andorra | 0 | 0 | 285 | 0 |
| Argentina | 0 | 1997 | 2402 | 0 |
| Armenia | 0 | 0 | 14 | 0 |
| Australia | 0 | 15,263 | 1985 | 0 |
| Austria | 4291 | 10,777 | 2392 | 0 |
| Azerbaijan | 0 | 0 | 7 | 0 |
| Bangladesh | 0 | 4 | 18 | 0 |
| Belarus | 0 | 0 | 375 | 0 |
| Belgium | 3912 | 5023 | 3117 | 0 |
| Bosnia & Herzegovina | 0 | 0 | 302 | 0 |
| Brazil | 0 | 2155 | 1864 | 0 |
| Bulgaria | 92 | 132 | 35 | 0 |
| Burkina Faso | 0 | 0 | 317 | 1881 |
| Cameroon | 0 | 0 | 0 | 1063 |
| Canada | 0 | 6352 | 2971 | 0 |
| Chile | 0 | 9300 | 2349 | 0 |
| China | 0 | 254 | 178 | 0 |
| Chinese Taipei | 0 | 808 | 111 | 0 |
| Colombia | 0 | 0 | 2326 | 0 |
| Cote D’Ivoire | 0 | 0 | 0 | 436 |
| Croatia | 3716 | 4859 | 1858 | 0 |
| Cyprus | 43 | 37 | 16 | 0 |
| Czech Republic | 1864 | 7504 | 2024 | 0 |
| Dem Rep of the Congo | 0 | 0 | 0 | 1333 |
| Denmark | 3868 | 10893 | 2598 | 0 |
| Dominican Republic | 0 | 2480 | 107 | 1358 |
| East Timor | 0 | 0 | 0 | 2028 |
| Ecuador | 0 | 0 | 397 | 0 |
| Egypt | 0 | 0 | 259 | 0 |