Region
Developing countries
171
China
37
Latin America
34
Africa
31
Africa, Sub-Saharan
26
Middle East
23
Africa, North
21
Europe, Eastern
18
India
18
Caribbean Area
13
East Asia
13
Brazil
11
Colombia
11
Bangladesh
10
South Asia
9
Asia, Central
8
Ethiopia
8
European Union countries
8
United States
8
Asia
7
Former Soviet republics
7
Peru
7
Argentina
6
Europe
6
Ghana
6
Indonesia
6
Kenya
6
Afghanistan
5
Africa South of the Sahara
5
Bolivia
5
Malaysia
5
Mexico
5
Nepal
5
Pacific Area
5
South Africa
5
Sub-Saharan Africa
5
Central America
4
Egypt
4
Madagascar
4
Rwanda
4
Africa, West
3
Angola
3
Haiti
3
Iraq
3
Jamaica
3
Korea (South)
3
Morocco
3
Nicaragua
3
Pakistan
3
Papua New Guinea
3
more ...