| Country | No. of studies | N | % short allele |
| South Africa (of European descent) | 2 | 753 | 27.79 |
| Estonia | 2 | 808 | 34.81 |
| Poland | 4 | 696 | 36.96 |
| Denmark | 1 | 1369 | 40.80 |
| Hungary | 4 | 1067 | 41.71 |
| Finland | 2 | 4269 | 42.45 |
| Slovenia | 1 | 468 | 42.52 |
| Netherlands | 1 | 989 | 42.72 |
| New Zealand | 1 | 847 | 43.03 |
| Germany | 12 | 4105 | 43.03 |
| France | 8 | 2665 | 43.18 |
| Sweden | 3 | 752 | 43.63 |
| Austria | 2 | 416 | 43.65 |
| Russia | 4 | 1370 | 43.91 |
| United Kingdom | 3 | 5888 | 43.98 |
| United States | 14 | 4162 | 44.53 |
| Australia (of European descent) | 4 | 1758 | 45.91 |
| Spain | 8 | 3152 | 46.75 |
| Brazil (of European descent) | 6 | 1747 | 46.96 |
| Italy | 4 | 876 | 48.54 |
| Israel | 8 | 2561 | 49.26 |
| Argentina (of European descent) | 2 | 2012 | 51.04 |
| Mexico | 3 | 380 | 51.96 |
| Turkey | 6 | 1194 | 54.29 |
| India | 3 | 1007 | 58.85 |
| Taiwan | 1 | 192 | 70.57 |
| Singapore | 2 | 629 | 71.24 |
| P.R. of China | 3 | 1896 | 75.20 |
| Korea | 5 | 931 | 79.45 |
| Japan | 5 | 1176 | 80.25 |