| Reference Area | Time Period | Unit of measurement | Nature | Value |
|---|
| World | 2010 | Kilograms | Not Available | 21.0 |
| World | 2005 | Kilograms | Not Available | 24.2 |
| World | 2000 | Kilograms | Not Available | 22.9 |
| Caucasus and Central Asia | 2010 | Kilograms | Not Available | 12.3 |
| Caucasus and Central Asia | 2005 | Kilograms | Not Available | 11.1 |
| Caucasus and Central Asia | 2000 | Kilograms | Not Available | 8.3 |
| Developed regions | 2010 | Kilograms | Not Available | 23.6 |
| Developed regions | 2005 | Kilograms | Not Available | 27.8 |
| Developed regions | 2000 | Kilograms | Not Available | 25.9 |
| Developing regions | 2010 | Kilograms | Not Available | 14.5 |
| Developing regions | 2005 | Kilograms | Not Available | 12.7 |
| Developing regions | 2000 | Kilograms | Not Available | 11.8 |
| Eastern Asia | 2010 | Kilograms | Not Available | 21.0 |
| Eastern Asia | 2005 | Kilograms | Not Available | 17.5 |
| Eastern Asia | 2000 | Kilograms | Not Available | 16.0 |
| Landlocked developing countries | 2010 | Kilograms | Not Available | 8.5 |
| Landlocked developing countries | 2005 | Kilograms | Not Available | 7.6 |
| Landlocked developing countries | 2000 | Kilograms | Not Available | 6.1 |
| Latin America and the Caribbean | 2010 | Kilograms | Not Available | 10.8 |
| Latin America and the Caribbean | 2005 | Kilograms | Not Available | 9.4 |
| Latin America and the Caribbean | 2000 | Kilograms | Not Available | 9.4 |
| Least developed countries | 2000 | Kilograms | Not Available | 1.6 |
| Northern Africa | 2010 | Kilograms | Not Available | 4.5 |
| Northern Africa | 2005 | Kilograms | Not Available | 3.7 |
| Northern Africa | 2000 | Kilograms | Not Available | 3.8 |
| Oceania | 2010 | Kilograms | Not Available | 13.0 |
| Oceania | 2005 | Kilograms | Not Available | 14.0 |
| Oceania | 2000 | Kilograms | Not Available | 12.3 |
| Small island developing States | 2010 | Kilograms | Not Available | 38.4 |
| Small island developing States | 2005 | Kilograms | Not Available | 33.9 |
| South-eastern Asia | 2010 | Kilograms | Not Available | 17.1 |
| South-eastern Asia | 2005 | Kilograms | Not Available | 14.5 |
| South-eastern Asia | 2000 | Kilograms | Not Available | 14.5 |
| Southern Asia | 2010 | Kilograms | Not Available | 5.0 |
| Southern Asia | 2005 | Kilograms | Not Available | 4.3 |
| Southern Asia | 2000 | Kilograms | Not Available | 3.6 |
| Sub-Saharan Africa | 2000 | Kilograms | Not Available | 5.2 |
| Western Asia | 2010 | Kilograms | Not Available | 17.2 |
| Western Asia | 2005 | Kilograms | Not Available | 19.4 |
| Western Asia | 2000 | Kilograms | Not Available | 17.7 |
| Afghanistan | 2010 | Kilograms | Non-relevant | 1.7 |
| Afghanistan | 2009 | Kilograms | Non-relevant | 1.5 |
| Afghanistan | 2008 | Kilograms | Non-relevant | 1.3 |
| Afghanistan | 2007 | Kilograms | Non-relevant | 1.4 |
| Afghanistan | 2006 | Kilograms | Non-relevant | 1.3 |
| Afghanistan | 2005 | Kilograms | Non-relevant | 1.3 |
| Afghanistan | 2004 | Kilograms | Non-relevant | 1.3 |
| Afghanistan | 2003 | Kilograms | Non-relevant | 1.2 |
| Afghanistan | 2002 | Kilograms | Non-relevant | 1.2 |
| Afghanistan | 2001 | Kilograms | Non-relevant | 1.1 |