|
|
| Population's share (in %) | Number (millions) | |||
| 1990 | 1999 | 1990 | 1999 | |
| Sub-Saharan Africa | 47.7 | 46.7 | 242 | 300 |
| South Asia | 44.0 | 36.9 | 495 | 490 |
| East Asia and the Pacific | 27.6 | 14.2 | 452 | 260 |
| Latin America and the Caribbean | 16.8 | 15.1 | 74 | 77 |
| Eastern Europe and Central Asia | 1.6 | 3.6 | 7 | 17 |
| Middle East and North Africa | 2.4 | 2.3 | 6 | 7 |
| WORLD TOTAL | 29.0 | 22.7 | 1276 | 1151 |