Number of countries where smallpox was eradicated in nature 1872-1977

Number of countries in which naturally occurring cases of smallpox were eradicated between 1872 and 1977

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Source

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Release date

2020

Region

Worldwide

Survey time period

1872 to 1977

Supplementary notes

*No data available for many Caribbean countries, micronations, Pacific Islands (no known cases in the twentieth century) and vast but sparsely populated areas (i.e. Mongolia and Greenland).

**The reason for these sharp increases is because successor states have been allocated the eradication date of their predecessor states (i.e. former Soviet or Yugoslav countries).

The full list of countries and the year of eradication is as follows:
Iceland - 1872
Sweden - 1895
Norway - 1898
Netherlands - 1900
Denmark - 1901
French Guiana - 1904
Ireland - 1907
New Zealand - 1914
Australia - 1917
Madagascar - 1918
Bhutan - 1920
Costa Rica - 1920
Israel - 1920
Suriname - 1920
Albania - 1922
Finland - 1922
Germany - 1922
Panama - 1922
Austria - 1923
Bulgaria - 1923
Hungary - 1923
Romania - 1923
Czech Republic - 1924
Nicaragua - 1924
Slovakia - 1924
Bosnia and Herzegovina - 1925
Croatia - 1925
Jordan - 1925
Macedonia - 1925
Serbia - 1925
Slovenia - 1925
Belgium - 1926
Switzerland - 1926
Poland - 1933
United Kingdom - 1934
Armenia - 1936
Azerbaijan - 1936
Belarus - 1936
Estonia - 1936
France - 1936
Georgia - 1936
Kazakhstan - 1936
Kyrgyzstan - 1936
Latvia - 1936
Lithuania - 1936
Moldova - 1936
Russia - 1936
Tajikistan - 1936
Turkmenistan - 1936
Ukraine - 1936
Uzbekistan - 1936
El Salvador - 1938
Belize - 1939
Canada - 1944
Greece - 1944
North Korea - 1946
Italy - 1947
Egypt - 1948
Libya - 1948
Morocco - 1948
Spain - 1948
Tunisia - 1948
United States - 1948
Lebanon - 1949
Philippines - 1949
Syria - 1950
Guatemala - 1951
Guyana - 1951
Japan - 1951
Mexico - 1951
Sri Lanka - 1951
Turkey - 1951
Honduras - 1952
Laos - 1953
Portugal - 1953
Chile - 1954
South Korea - 1954
Namibia - 1955
Venezuela - 1956
Guinea-Bissau - 1957
Uruguay - 1957
Angola - 1959
Cambodia - 1959
Djibouti - 1959
Vietnam - 1959
Bolivia - 1960
Equatorial Guinea - 1960
Malaysia - 1960
Paraguay - 1960
Yemen - 1960
Algeria - 1961
China - 1961
Saudi Arabia - 1961
Lesotho - 1962
Mauritania - 1962
Oman - 1962
Thailand - 1962
Central African Republic - 1963
Ecuador - 1963
Senegal - 1963
Chad - 1965
Colombia - 1965
Congo - 1965
Gabon - 1965
Myanmar - 1965
Argentina - 1966
Cote d'Ivoire - 1966
Gambia - 1966
Peru - 1966
Swaziland - 1966
Ghana - 1967
Burkina Faso - 1968
Cameroon - 1968
Guinea - 1968
Liberia - 1968
Mali - 1968
Niger - 1968
Uganda - 1968
Zambia - 1968
Benin - 1969
Kenya - 1969
Mozambique - 1969
Sierra Leone - 1969
Togo - 1969
Burundi - 1970
Nigeria - 1970
Rwanda - 1970
Tanzania - 1970
Zimbabwe - 1970
Brazil - 1971
Democratic Republic of Congo - 1971
Malawi - 1971
South Africa - 1971
Afghanistan - 1972
Indonesia - 1972
Iran - 1972
Iraq - 1972
South Sudan - 1972
Sudan - 1972
Botswana - 1973
Pakistan - 1974
Bangladesh - 1975
India - 1975
Nepal - 1975
Eritrea - 1976
Ethiopia - 1976
Somalia - 1977

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