Region
Africa South of the Sahara
14
United States
14
Africa
10
China
6
Asia
4
South Asia
4
Latin America
3
South America
3
Asia, Southeastern
2
Australia
2
Bangladesh
2
Developing countries
2
India
2
Oceania
2
Africa, North
1
Africa, Sub-Saharan
1
Amazon River
1
Americas
1
Bali (Indonesia : Province)
1
Bolivia
1
Brazil
1
California
1
Central America
1
Earth
1
Earth (Planet)
1
Europe
1
Far East
1
Former Soviet republics
1
Indonesia
1
Japan
1
Korea
1
London (England)
1
Mexico
1
Mexico, Gulf of
1
Mongolia
1
Nigeria
1
Pacific Area
1
Peru
1
Portland (Or.)
1
Seoul (Korea)
1
U.S. states
1