Reported cases of paralytic polio by country
The sum of wild poliovirus cases and circulating vaccine derived poliovirus cases.
Countries reporting
196
Highest
223 cases
Democratic Republic of Congo
Lowest
0 cases
Saint Helena
Median
0 cases
Years covered
44
1980–2023
Data points
7,608
What the numbers show
Reported cases of paralytic polio is currently reported for 196 countries. The highest value is 223 cases in Democratic Republic of Congo; the lowest is 0 cases in Saint Helena.
The median across all reporting countries is 0 cases, and the mean is 2.73 cases.
Over the past decade 4 countries rose and 7 fell. The largest increase was in Chad (up 1,733.3%), and the largest decrease in Cameroon (down 100.0%).
Reported cases of paralytic polio: full country ranking
| # | Country | Latest | Year | 10-year change | Trend |
|---|---|---|---|---|---|
| 1 | Democratic Republic of Congo | 223 cases | 2023 | — | volatile |
| 2 | Nigeria | 87 cases | 2023 | up 52.6% | volatile |
| 3 | Chad | 55 cases | 2023 | up 1,733.3% | volatile |
| 4 | Guinea | 47 cases | 2023 | — | volatile |
| 5 | Madagascar | 24 cases | 2023 | — | volatile |
| 6 | Mali | 15 cases | 2023 | — | volatile |
| 7 | Central African Republic | 14 cases | 2023 | — | volatile |
| 8 | Kenya | 8 cases | 2023 | down 42.9% | volatile |
| 8 | Somalia | 8 cases | 2023 | down 95.9% | volatile |
| 8 | Yemen | 8 cases | 2023 | up 700.0% | volatile |
| 11 | Afghanistan | 6 cases | 2023 | down 64.7% | volatile |
| 11 | Cote d'Ivoire | 6 cases | 2023 | — | volatile |
| 11 | Indonesia | 6 cases | 2023 | — | volatile |
| 11 | Pakistan | 6 cases | 2023 | down 95.7% | volatile |
| 15 | Mozambique | 5 cases | 2023 | — | volatile |
| 16 | Benin | 3 cases | 2023 | — | volatile |
| 16 | Burkina Faso | 3 cases | 2023 | — | volatile |
| 16 | South Sudan | 3 cases | 2023 | — | volatile |
| 19 | Niger | 2 cases | 2023 | up 100.0% | volatile |
| 19 | Tanzania | 2 cases | 2023 | — | volatile |
| 21 | Burundi | 1 cases | 2023 | — | volatile |
| 21 | Israel | 1 cases | 2023 | — | volatile |
| 21 | Mauritania | 1 cases | 2023 | — | volatile |
| 21 | Zambia | 1 cases | 2023 | — | volatile |
| 21 | Zimbabwe | 1 cases | 2023 | — | volatile |
| 26 | Angola | 0 cases | 2023 | — | volatile |
| 26 | Albania | 0 cases | 2023 | — | volatile |
| 26 | Andorra | 0 cases | 2023 | — | flat |
| 26 | United Arab Emirates | 0 cases | 2023 | — | volatile |
| 26 | Argentina | 0 cases | 2023 | — | volatile |
| 26 | Armenia | 0 cases | 2023 | — | volatile |
| 26 | Antigua and Barbuda | 0 cases | 2000 | — | flat |
| 26 | Australia | 0 cases | 2023 | — | volatile |
| 26 | Austria | 0 cases | 2023 | — | volatile |
| 26 | Azerbaijan | 0 cases | 2023 | — | volatile |
| 26 | Belgium | 0 cases | 2023 | — | volatile |
| 26 | Bangladesh | 0 cases | 2023 | — | volatile |
| 26 | Bulgaria | 0 cases | 2023 | — | volatile |
| 26 | Bahrain | 0 cases | 2023 | — | volatile |
| 26 | Bahamas | 0 cases | 2000 | — | flat |
| 26 | Bosnia and Herzegovina | 0 cases | 2023 | — | flat |
| 26 | Belarus | 0 cases | 2023 | — | volatile |
| 26 | Belize | 0 cases | 2000 | — | volatile |
| 26 | Bolivia | 0 cases | 2023 | — | volatile |
| 26 | Brazil | 0 cases | 2023 | — | volatile |
| 26 | Barbados | 0 cases | 2000 | — | flat |
| 26 | Brunei | 0 cases | 2023 | — | flat |
| 26 | Bhutan | 0 cases | 2023 | — | volatile |
| 26 | Botswana | 0 cases | 2023 | — | volatile |
| 26 | Canada | 0 cases | 2023 | — | volatile |
| 26 | Switzerland | 0 cases | 2023 | — | volatile |
| 26 | Chile | 0 cases | 2023 | — | volatile |
| 26 | China | 0 cases | 2023 | — | volatile |
| 26 | Cameroon | 0 cases | 2023 | down 100.0% | volatile |
| 26 | Congo | 0 cases | 2023 | — | volatile |
| 26 | Colombia | 0 cases | 2023 | — | volatile |
| 26 | Comoros | 0 cases | 2023 | — | volatile |
| 26 | Cape Verde | 0 cases | 2023 | — | volatile |
| 26 | Costa Rica | 0 cases | 2023 | — | flat |
| 26 | Cuba | 0 cases | 2023 | — | flat |
| 26 | Cyprus | 0 cases | 2023 | — | volatile |
| 26 | Czechia | 0 cases | 2023 | — | flat |
| 26 | Germany | 0 cases | 2023 | — | volatile |
| 26 | Djibouti | 0 cases | 2023 | — | volatile |
| 26 | Dominica | 0 cases | 2000 | — | flat |
| 26 | Denmark | 0 cases | 2023 | — | volatile |
| 26 | Dominican Republic | 0 cases | 2023 | — | volatile |
| 26 | Algeria | 0 cases | 2023 | — | volatile |
| 26 | Ecuador | 0 cases | 2023 | — | volatile |
| 26 | Egypt | 0 cases | 2023 | — | volatile |
| 26 | Eritrea | 0 cases | 2023 | — | volatile |
| 26 | Spain | 0 cases | 2023 | — | volatile |
| 26 | Estonia | 0 cases | 2023 | — | flat |
| 26 | Ethiopia | 0 cases | 2023 | down 100.0% | volatile |
| 26 | Finland | 0 cases | 2023 | — | volatile |
| 26 | Fiji | 0 cases | 2000 | — | flat |
| 26 | France | 0 cases | 2023 | — | volatile |
| 26 | Micronesia (country) | 0 cases | 2000 | — | flat |
| 26 | Gabon | 0 cases | 2023 | — | volatile |
| 26 | United Kingdom | 0 cases | 2023 | — | volatile |
| 26 | Georgia | 0 cases | 2023 | — | volatile |
| 26 | Ghana | 0 cases | 2023 | — | volatile |
| 26 | Gambia | 0 cases | 2023 | — | volatile |
| 26 | Guinea-Bissau | 0 cases | 2023 | — | volatile |
| 26 | Equatorial Guinea | 0 cases | 2023 | — | volatile |
| 26 | Greece | 0 cases | 2023 | — | volatile |
| 26 | Grenada | 0 cases | 2000 | — | flat |
| 26 | Guatemala | 0 cases | 2023 | — | volatile |
| 26 | Guyana | 0 cases | 2000 | — | flat |
| 26 | Hong Kong | 0 cases | 2023 | — | flat |
| 26 | Honduras | 0 cases | 2023 | — | volatile |
| 26 | Croatia | 0 cases | 2023 | — | flat |
| 26 | Haiti | 0 cases | 2023 | — | volatile |
| 26 | Hungary | 0 cases | 2023 | — | volatile |
| 26 | India | 0 cases | 2023 | — | volatile |
| 26 | Iran | 0 cases | 2023 | — | volatile |
| 26 | Iraq | 0 cases | 2023 | — | volatile |
| 26 | Iceland | 0 cases | 2023 | — | flat |
| 26 | Italy | 0 cases | 2023 | — | volatile |
| 26 | Jamaica | 0 cases | 2000 | — | volatile |
| 26 | Jordan | 0 cases | 2023 | — | volatile |
| 26 | Japan | 0 cases | 2023 | — | volatile |
| 26 | Kazakhstan | 0 cases | 2023 | — | volatile |
| 26 | Kyrgyzstan | 0 cases | 2023 | — | volatile |
| 26 | Cambodia | 0 cases | 2023 | — | volatile |
| 26 | Kiribati | 0 cases | 2000 | — | flat |
| 26 | Saint Kitts and Nevis | 0 cases | 2000 | — | flat |
| 26 | South Korea | 0 cases | 2023 | — | volatile |
| 26 | Kuwait | 0 cases | 2023 | — | volatile |
| 26 | Laos | 0 cases | 2023 | — | volatile |
| 26 | Lebanon | 0 cases | 2023 | — | volatile |
| 26 | Liberia | 0 cases | 2023 | — | volatile |
| 26 | Libya | 0 cases | 2023 | — | volatile |
| 26 | Saint Lucia | 0 cases | 2000 | — | flat |
| 26 | Sri Lanka | 0 cases | 2023 | — | volatile |
| 26 | Lesotho | 0 cases | 2023 | — | volatile |
| 26 | Lithuania | 0 cases | 2023 | — | flat |
| 26 | Latvia | 0 cases | 2023 | — | flat |
| 26 | Macao | 0 cases | 2023 | — | flat |
| 26 | Morocco | 0 cases | 2023 | — | volatile |
| 26 | Monaco | 0 cases | 2023 | — | flat |
| 26 | Moldova | 0 cases | 2023 | — | volatile |
| 26 | Maldives | 0 cases | 2023 | — | volatile |
| 26 | Mexico | 0 cases | 2023 | — | volatile |
| 26 | Marshall Islands | 0 cases | 2000 | — | volatile |
| 26 | North Macedonia | 0 cases | 2023 | — | flat |
| 26 | Myanmar | 0 cases | 2023 | — | volatile |
| 26 | Montenegro | 0 cases | 2023 | — | flat |
| 26 | Mongolia | 0 cases | 2023 | — | volatile |
| 26 | Mauritius | 0 cases | 2023 | — | flat |
| 26 | Malawi | 0 cases | 2023 | — | volatile |
| 26 | Malaysia | 0 cases | 2023 | — | volatile |
| 26 | Namibia | 0 cases | 2023 | — | volatile |
| 26 | Nicaragua | 0 cases | 2023 | — | volatile |
| 26 | Netherlands | 0 cases | 2023 | — | volatile |
| 26 | Norway | 0 cases | 2023 | — | volatile |
| 26 | Nepal | 0 cases | 2023 | — | volatile |
| 26 | Nauru | 0 cases | 2000 | — | volatile |
| 26 | New Zealand | 0 cases | 2023 | — | flat |
| 26 | Oman | 0 cases | 2023 | — | volatile |
| 26 | Panama | 0 cases | 2023 | — | flat |
| 26 | Peru | 0 cases | 2023 | — | volatile |
| 26 | Philippines | 0 cases | 2023 | — | volatile |
| 26 | Palau | 0 cases | 2000 | — | flat |
| 26 | Papua New Guinea | 0 cases | 2023 | — | volatile |
| 26 | Poland | 0 cases | 2023 | — | volatile |
| 26 | North Korea | 0 cases | 2023 | — | volatile |
| 26 | Portugal | 0 cases | 2023 | — | volatile |
| 26 | Paraguay | 0 cases | 2023 | — | volatile |
| 26 | Palestine | 0 cases | 2023 | — | flat |
| 26 | Qatar | 0 cases | 2023 | — | volatile |
| 26 | Romania | 0 cases | 2023 | — | volatile |
| 26 | Russia | 0 cases | 2023 | — | volatile |
| 26 | Rwanda | 0 cases | 2023 | — | volatile |
| 26 | Saudi Arabia | 0 cases | 2023 | — | volatile |
| 26 | Sudan | 0 cases | 2023 | — | volatile |
| 26 | Senegal | 0 cases | 2023 | — | volatile |
| 26 | Singapore | 0 cases | 2023 | — | volatile |
| 26 | Solomon Islands | 0 cases | 2000 | — | flat |
| 26 | Sierra Leone | 0 cases | 2023 | — | volatile |
| 26 | El Salvador | 0 cases | 2023 | — | volatile |
| 26 | San Marino | 0 cases | 2023 | — | flat |
| 26 | Serbia | 0 cases | 2023 | — | volatile |
| 26 | Sao Tome and Principe | 0 cases | 2023 | — | volatile |
| 26 | Suriname | 0 cases | 2000 | — | volatile |
| 26 | Slovakia | 0 cases | 2023 | — | flat |
| 26 | Slovenia | 0 cases | 2023 | — | flat |
| 26 | Sweden | 0 cases | 2023 | — | volatile |
| 26 | Eswatini | 0 cases | 2023 | — | volatile |
| 26 | Seychelles | 0 cases | 2023 | — | flat |
| 26 | Syria | 0 cases | 2023 | down 100.0% | volatile |
| 26 | Togo | 0 cases | 2023 | — | volatile |
| 26 | Thailand | 0 cases | 2023 | — | volatile |
| 26 | Tajikistan | 0 cases | 2023 | — | volatile |
| 26 | Turkmenistan | 0 cases | 2023 | — | volatile |
| 26 | East Timor | 0 cases | 2023 | — | flat |
| 26 | Tonga | 0 cases | 2000 | — | flat |
| 26 | Trinidad and Tobago | 0 cases | 2000 | — | flat |
| 26 | Tunisia | 0 cases | 2023 | — | volatile |
| 26 | Turkey | 0 cases | 2023 | — | volatile |
| 26 | Tuvalu | 0 cases | 2000 | — | flat |
| 26 | Uganda | 0 cases | 2023 | — | volatile |
| 26 | Ukraine | 0 cases | 2023 | — | volatile |
| 26 | Uruguay | 0 cases | 2023 | — | flat |
| 26 | United States | 0 cases | 2023 | — | volatile |
| 26 | Uzbekistan | 0 cases | 2023 | — | volatile |
| 26 | Saint Vincent and the Grenadines | 0 cases | 2000 | — | flat |
| 26 | Venezuela | 0 cases | 2023 | — | volatile |
| 26 | Vietnam | 0 cases | 2023 | — | volatile |
| 26 | Vanuatu | 0 cases | 2000 | — | volatile |
| 26 | Samoa | 0 cases | 2000 | — | flat |
| 26 | South Africa | 0 cases | 2023 | — | volatile |
| 26 | Reunion | 0 cases | 2023 | — | flat |
| 26 | Cook Islands | 0 cases | 2000 | — | flat |
| 26 | Niue | 0 cases | 2000 | — | flat |
| 26 | Saint Helena | 0 cases | 2023 | — | flat |
About this data
The sum of wild poliovirus cases and circulating vaccine derived poliovirus cases.