| sub-Saharan Africa | | | | | |
| Benin, 2006 | 17.0 | 25.9 | −8.9 | 7.7 | 10.8 | −3.1 |
| Burkina Faso, 2010 | 16.7 | 30.0 | −13.3 | 14.3 | 26.5 | −12.2 |
| Cameroon, 2011 | 31.2 | 38.3 | −7.1 | 11.8 | 23.3 | −11.5 |
| Chad, 2004 | 6.6 | 10.3 | −3.7 | 4.7 | 7.3 | −2.6 |
| Côte d'Ivoire, 2011–12 | 24.5 | 16.3 | 8.2 | 11.4 | 12.2 | −0.8 |
| Eritrea, 2002 | 23.0 | 18.7 | 4.3 | 18.6 | 16.5 | 2.1 |
| Ethiopia, 2011 | 24.8 | 38.5 | −13.7 | 20.2 | 35.2 | −15.0 |
| Gabon, 2012 | 23.1 | 14.9 | 8.2 | 12.6 | 10.0 | 2.6 |
| Ghana, 2008 | 22.4 | 17.2 | 5.2 | 13.7 | 9.0 | 4.7 |
| Guinea, 2005 | 13.4 | 11.8 | 1.6 | 8.2 | 10.0 | −1.8 |
| Kenya, 2008–09 | 37.0 | 34.6 | 2.4 | 34.8 | 31.0 | 3.8 |
| Lesotho, 2009 | 36.9 | 31.6 | 5.3 | 37.8 | 32.3 | 5.5 |
| Madagascar, 2008–09 | 39.9 | 37.4 | 2.5 | 21.5 | 18.8 | 2.7 |
| Malawi, 2010 | 15.9 | 14.3 | 1.6 | 13.3 | 13.5 | −0.2 |
| Mali, 2006 | 19.2 | 15.4 | 3.8 | 14.8 | 13.6 | 1.2 |
| Mozambique, 2011 | 16.8 | 27.4 | −10.6 | 16.0 | 26.6 | −10.6 |
| Namibia, 2006–07 | 48.6 | 39.2 | 9.4 | 51.5 | 38.8 | 12.7 |
| Niger, 2006 | 18.9 | 10.0 | 8.9 | 17.3 | 13.5 | 3.8 |
| Nigeria, 2008 | 18.9 | 31.8 | −12.9 | 11.7 | 19.8 | −8.1 |
| Rwanda, 2010 | 8.8 | 14.0 | −5.2 | 6.3 | 11.1 | −4.8 |
| Senegal, 2010–11 | 20.6 | 19.7 | 0.9 | 22.6 | 18.5 | 4.1 |
| Tanzania, 2010 | 26.3 | 27.7 | −1.4 | 24.0 | 18.5 | 5.5 |
| Uganda, 2011 | 22.3 | 31.5 | −9.2 | 23.7 | 26.4 | −2.7 |
| Zambia, 2007 | 20.5 | 13.7 | 6.8 | 25.9 | 17.7 | 8.2 |
| Zimbabwe, 2010–11 | 19.5 | 10.3 | 9.2 | 24.6 | 11.2 | 13.4 |
| Mean | 22.9 | 23.2 | −0.3 | 18.8 | 18.9 | −0.1 |
| North Africa/West Asia | | | |
| Armenia, 2010 | −2.4 | 9.2 | −11.6 | 13.7 | 16.3 | −2.6 |
| Egypt, 2008 | 30.7 | 10.0 | 20.7 | 29.2 | 10.4 | 18.8 |
| Jordan, 2009 | 30.0 | 11.8 | 18.2 | 22.8 | 12.6 | 10.2 |
| Morocco, 2003–04 | 40.4 | 11.6 | 28.8 | 30.4 | 5.4 | 25.0 |
| Mean | 24.7 | 10.7 | 14.0 | 24.0 | 11.2 | 12.9 |
| Central Asia | | | | | |
| Kazakhstan, 1999 | 12.8 | 4.5 | 8.3 | 5.8 | 6.2 | −0.4 |
| South & Southeast Asia | | | | |
| Bangladesh, 2011 | 13.3 | −0.7 | 14.0 | 8.2 | −1.8 | 10.0 |
| Cambodia, 2010 | 23.1 | 10.8 | 12.3 | 12.9 | −3.8 | 16.7 |
| India, 2005–06 | 29.7 | 25.3 | 4.4 | 25.7 | 23.4 | 2.3 |
| Indonesia, 2012 | 13.7 | 5.1 | 8.6 | 10.7 | 2.4 | 8.3 |
| Nepal, 2011 | 31.4 | 19.2 | 12.2 | 29.2 | 13.3 | 15.9 |
| Pakistan, 2012–13 | 30.2 | 25.0 | 5.2 | 22.0 | 13.5 | 8.5 |
| Philippines, 2008 | 17.4 | 9.2 | 8.2 | 15.7 | 7.2 | 8.5 |
| Viet Nam, 2002 | 16.9 | 3.2 | 13.7 | 8.5 | −6.3 | 14.8 |
| Mean | 22.0 | 12.1 | 9.8 | 16.6 | 6.0 | 10.6 |
| Latin America & Caribbean | | | | |
| Bolivia, 2008 | 45.7 | 24.6 | 21.1 | 39.9 | 23.9 | 16.0 |
| Colombia, 2010 | 30.9 | 4.5 | 26.4 | 27.4 | 6.4 | 21.0 |
| Dominican Rep., 2007 | 13.8 | 5.6 | 8.2 | 12.5 | 2.8 | 9.7 |
| Guatemala, 1998–99 | 60.1 | 64.5 | −4.4 | 51.7 | 54.3 | −2.6 |
| Haiti, 2012 | 23.6 | 1.3 | 22.3 | 16.0 | −2.2 | 18.2 |
| Honduras, 2011–12 | 20.0 | 8.8 | 11.2 | 23.5 | 12.3 | 11.2 |
| Nicaragua, 2001 | 27.0 | 22.0 | 5.0 | 24.0 | 20.8 | 3.2 |
| Peru, 2012 | 36.5 | 1.0 | 35.5 | 37.8 | 17.6 | 20.2 |
| Mean | 32.2 | 16.5 | 15.7 | 29.1 | 17.0 | 12.1 |
| Overall Mean | 24.3 | 18.6 | 5.7 | 20.4 | 15.4 | 5.0 |