Region | 1950–1955 | 1970–1975 | 1990–1995 | 2005–2010 | 2045–2050 |
---|---|---|---|---|---|
World | 46.9 | 58.8 | 64.8 | 68.7 | 75.9 |
More-developed regions | 64.7 | 71.1 | 74.1 | 76.9 | 82.8 |
Less-developed regions | 41.6 | 55.8 | 62.7 | 67.0 | 74.7 |
Sub-Saharan Africa | 36.2 | 44.7 | 48.9 | 52.9 | 67.8 |
Africa | 37.4 | 46.5 | 51.7 | 55.6 | 68.9 |
 Eastern Africa | 37.0 | 45.9 | 47.9 | 55.9 | 71.6 |
 Southern Africa | 44.7 | 53.5 | 62.0 | 51.9 | 68.1 |
Asia | 42.2 | 57.7 | 65.4 | 70.3 | 76.9 |
 Eastern Asia | 46.2 | 65.3 | 71.0 | 75.5 | 80.9 |
 South-Central Asia | 37.4 | 50.7 | 60.1 | 65.5 | 73.7 |
Europe | 63.6 | 70.6 | 72.6 | 75.3 | 81.3 |
 Eastern Europe | 60.3 | 69.2 | 68.3 | 69.5 | 74.9 |
 Western Europe | 67.7 | 71.8 | 76.5 | 80.2 | 85.9 |
Latin America and the Caribbean | 51.4 | 61.0 | 68.9 | 73.4 | 81.8 |
North America | 68.6 | 71.4 | 75.8 | 78.4 | 83.7 |
Oceania | 60.4 | 66.4 | 72.5 | 76.8 | 81.7 |