WHO regionCountries includedProportion
AfricaBotswana, Cameroon, Democratic Republic of the Congo, Ethiopia, Kenya, Lesotho, Liberia, Malawi, Mozambique, Namibia, Rwanda, South Africa, Swaziland, Uganda, United Republic of Tanzania, Zambia, Zimbabwe36.6%36.6
AmericasBrazil, Chile, Colombia, Costa Rica, Dominican Republic, Ecuador, El Salvador, Haiti, Honduras, Jamaica, Mexico, Nicaragua, Paraguay, Peru, Bolivia29.8%29.8
Eastern MediterraneanEgypt, Iran, Iraq, Jordan, Palestine37.0%37
EuropeAlbania, Azerbaijan, Georgia, Lithuania, Republic of Moldova, Romania, Russia, Serbia, Turkey, Ukraine25.4%25.4
Southeast AsiaBangladesh, Timor-Leste, India, Myanmar, Sri Lanka, Thailand37.7%37.7
Western PacificCambodia, China, Philippines, Samoa, Vietnam24.6%24.6
High-incomeAustralia, Canada, Croatia, Czech Republic, Denmark, Finland, France, Germany, Hong Kong, Iceland, Ireland, Israel, Japan, Netherlands, New Zealand, Norway, Poland, South Korea, Spain, Sweden, Switzerland, United Kingdom, United States of America23.2%23.2

Margin of error varies by region.

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