| Region | Number | Population |
| East Asia & Pacific | 25 | 2,130,668,702 |
| South Asia | 6 | 468,595,896 |
| Europe & Central Asia | 35 | 579,552,394 |
| Middle East | 10 | 215,935,689 |
| Africa | 46 | 1,254,574,279 |
| Latin America & Caribbean | 18 | 145,683,187 |
| Total, (62.5% of World) | 140 | 4,795,010,147 |
| World | 7,673,533,974 (2019) 7.8 billion (2020) | |