1970–1980 | 1981–1990 | 1991–2000 | 2001–2010 | |
---|---|---|---|---|
Low-income countries, LIC | 80.3 | 80.8 | 81.3 | 79.7 |
Lower-middle-income countries, LMIC | 69.0 | 69.6 | 71.0 | 70.3 |
Upper-middle-income countries, UMIC | 62.8 | 60.7 | 62.3 | 59.4 |
High-income countries, HIC | 57.2 | 56.5 | 56.8 | 55.8 |
China | 59.5 | 51.0 | 45.6 | 38.9 |