Share of potential polio cases tested and reported to the WHO by country
The share of acute flaccid paralysis (AFP) cases, where stool samples were tested for poliovirus and reported to the WHO.
Countries reporting
170
Highest
100.0%
Armenia
Lowest
0.0%
Saint Helena
Median
82.0%
Years covered
23
2001–2023
Data points
3,711
What the numbers show
Share of potential polio cases tested and reported to the WHO is currently reported for 170 countries. The highest value is 100.0% in Armenia; the lowest is 0.0% in Saint Helena.
The median across all reporting countries is 82.0%, and the mean is 58.1%.
Over the past decade 53 countries rose and 81 fell. The largest increase was in Comoros (up 100.0%), and the largest decrease in Albania (down 100.0%).
Share of potential polio cases tested and reported to the WHO: full country ranking
| # | Country | Latest | Year | 10-year change | Trend |
|---|---|---|---|---|---|
| 1 | Armenia | 100.0% | 2023 | unchanged | rising |
| 1 | Azerbaijan | 100.0% | 2023 | unchanged | flat |
| 1 | Bahrain | 100.0% | 2023 | up 11.1% | rising |
| 1 | Bosnia and Herzegovina | 100.0% | 2023 | up 11.1% | rising |
| 1 | Brunei | 100.0% | 2023 | unchanged | volatile |
| 1 | Bhutan | 100.0% | 2023 | up 25.0% | rising |
| 1 | Cape Verde | 100.0% | 2023 | unchanged | rising |
| 1 | Czechia | 100.0% | 2023 | up 25.0% | falling |
| 1 | Georgia | 100.0% | 2023 | unchanged | rising |
| 1 | Gambia | 100.0% | 2023 | unchanged | falling |
| 1 | Lesotho | 100.0% | 2023 | up 25.0% | flat |
| 1 | Moldova | 100.0% | 2023 | up 42.9% | rising |
| 1 | Montenegro | 100.0% | 2023 | — | volatile |
| 1 | Mongolia | 100.0% | 2023 | up 11.1% | flat |
| 1 | Mauritius | 100.0% | 2023 | unchanged | falling |
| 1 | Oman | 100.0% | 2023 | unchanged | flat |
| 1 | North Korea | 100.0% | 2023 | unchanged | flat |
| 1 | Singapore | 100.0% | 2023 | up 42.9% | rising |
| 1 | Serbia | 100.0% | 2023 | up 11.1% | falling |
| 1 | Tajikistan | 100.0% | 2023 | up 11.1% | flat |
| 1 | Turkmenistan | 100.0% | 2023 | unchanged | flat |
| 1 | Uzbekistan | 100.0% | 2023 | unchanged | flat |
| 23 | Bangladesh | 99.0% | 2023 | down 1.0% | rising |
| 23 | Congo | 99.0% | 2023 | up 23.8% | falling |
| 23 | Kazakhstan | 99.0% | 2023 | down 1.0% | rising |
| 23 | Sierra Leone | 99.0% | 2023 | up 10.0% | falling |
| 23 | Vietnam | 99.0% | 2023 | down 1.0% | flat |
| 28 | Liberia | 98.0% | 2023 | down 2.0% | flat |
| 28 | Libya | 98.0% | 2023 | up 8.9% | rising |
| 28 | Rwanda | 98.0% | 2023 | down 2.0% | falling |
| 28 | Sudan | 98.0% | 2023 | down 2.0% | rising |
| 28 | Tanzania | 98.0% | 2023 | down 2.0% | flat |
| 33 | Iran | 97.0% | 2023 | down 3.0% | rising |
| 33 | Nigeria | 97.0% | 2023 | down 3.0% | flat |
| 33 | Syria | 97.0% | 2023 | up 38.6% | rising |
| 33 | Ukraine | 97.0% | 2023 | down 3.0% | flat |
| 37 | Jordan | 96.0% | 2023 | up 6.7% | rising |
| 37 | Palestine | 96.0% | 2023 | up 6.7% | rising |
| 37 | Saudi Arabia | 96.0% | 2023 | down 4.0% | flat |
| 40 | Benin | 95.0% | 2023 | up 5.6% | falling |
| 40 | Burkina Faso | 95.0% | 2023 | up 5.6% | falling |
| 40 | China | 95.0% | 2023 | up 5.6% | flat |
| 40 | Ethiopia | 95.0% | 2023 | up 5.6% | rising |
| 40 | Iraq | 95.0% | 2023 | up 18.8% | flat |
| 45 | Afghanistan | 94.0% | 2023 | up 4.4% | rising |
| 45 | Myanmar | 94.0% | 2023 | up 4.4% | flat |
| 45 | Somalia | 94.0% | 2023 | up 4.4% | rising |
| 48 | Cote d'Ivoire | 93.0% | 2023 | up 3.3% | falling |
| 48 | Algeria | 93.0% | 2023 | up 86.0% | rising |
| 48 | Mali | 93.0% | 2023 | up 3.3% | falling |
| 48 | Nepal | 93.0% | 2023 | up 3.3% | rising |
| 52 | Kuwait | 92.0% | 2023 | up 2.2% | rising |
| 52 | Madagascar | 92.0% | 2023 | up 2.2% | rising |
| 54 | Egypt | 91.0% | 2023 | up 1.1% | flat |
| 54 | Malawi | 91.0% | 2023 | up 13.8% | falling |
| 56 | United Arab Emirates | 90.0% | 2023 | down 10.0% | rising |
| 56 | Ghana | 90.0% | 2023 | unchanged | flat |
| 56 | Togo | 90.0% | 2023 | up 12.5% | falling |
| 59 | Equatorial Guinea | 89.0% | 2023 | — | volatile |
| 59 | India | 89.0% | 2023 | down 1.1% | rising |
| 59 | Kenya | 89.0% | 2023 | up 11.2% | flat |
| 59 | Cambodia | 89.0% | 2023 | up 11.2% | rising |
| 59 | Chad | 89.0% | 2023 | down 1.1% | rising |
| 64 | Cameroon | 88.0% | 2023 | up 10.0% | falling |
| 64 | Guinea | 88.0% | 2023 | down 12.0% | falling |
| 64 | Senegal | 88.0% | 2023 | up 25.7% | falling |
| 64 | Yemen | 88.0% | 2023 | down 2.2% | rising |
| 64 | Zimbabwe | 88.0% | 2023 | down 2.2% | rising |
| 69 | Laos | 87.0% | 2023 | up 45.0% | rising |
| 69 | Lebanon | 87.0% | 2023 | up 74.0% | rising |
| 69 | Uganda | 87.0% | 2023 | down 3.3% | falling |
| 72 | Angola | 86.0% | 2023 | down 4.4% | falling |
| 72 | Democratic Republic of Congo | 86.0% | 2023 | down 4.4% | falling |
| 72 | Djibouti | 86.0% | 2023 | down 4.4% | rising |
| 72 | Eritrea | 86.0% | 2023 | down 14.0% | rising |
| 76 | Malaysia | 85.0% | 2023 | up 6.2% | rising |
| 76 | Russia | 85.0% | 2023 | down 5.6% | flat |
| 76 | South Africa | 85.0% | 2023 | up 6.2% | flat |
| 79 | Burundi | 84.0% | 2023 | down 6.7% | falling |
| 79 | Central African Republic | 84.0% | 2023 | down 6.7% | falling |
| 79 | Gabon | 84.0% | 2023 | up 68.0% | flat |
| 79 | Pakistan | 84.0% | 2023 | down 6.7% | flat |
| 83 | Indonesia | 83.0% | 2023 | down 7.8% | falling |
| 84 | South Korea | 82.0% | 2023 | down 8.9% | falling |
| 84 | Mozambique | 82.0% | 2023 | down 8.9% | flat |
| 84 | Turkey | 82.0% | 2023 | up 2.5% | flat |
| 87 | Zambia | 81.0% | 2023 | down 10.0% | falling |
| 88 | Comoros | 80.0% | 2023 | up 100.0% | falling |
| 89 | Belarus | 79.0% | 2023 | down 12.2% | falling |
| 89 | Niger | 79.0% | 2023 | down 1.2% | falling |
| 91 | Botswana | 78.0% | 2023 | down 2.5% | falling |
| 91 | Eswatini | 78.0% | 2023 | down 22.0% | falling |
| 93 | Sri Lanka | 72.0% | 2023 | down 10.0% | falling |
| 93 | Mauritania | 72.0% | 2023 | down 20.0% | falling |
| 93 | Philippines | 72.0% | 2023 | up 2.9% | falling |
| 93 | Thailand | 72.0% | 2023 | up 2.9% | falling |
| 97 | Guinea-Bissau | 71.0% | 2023 | up 18.3% | falling |
| 97 | Namibia | 71.0% | 2023 | down 29.0% | flat |
| 97 | Qatar | 71.0% | 2023 | down 29.0% | falling |
| 100 | Tunisia | 69.0% | 2023 | down 1.4% | falling |
| 101 | Hungary | 67.0% | 2023 | up 11.7% | rising |
| 101 | Latvia | 67.0% | 2023 | down 33.0% | falling |
| 103 | Italy | 65.0% | 2023 | up 8.3% | flat |
| 103 | Kyrgyzstan | 65.0% | 2023 | down 27.8% | falling |
| 105 | New Zealand | 64.0% | 2023 | up 28.0% | rising |
| 106 | Australia | 63.0% | 2023 | up 57.5% | rising |
| 107 | Morocco | 61.0% | 2023 | down 12.9% | falling |
| 108 | Spain | 59.0% | 2023 | down 1.7% | flat |
| 108 | Papua New Guinea | 59.0% | 2023 | up 96.7% | rising |
| 110 | Japan | 55.0% | 2023 | — | volatile |
| 111 | Maldives | 43.0% | 2023 | down 57.0% | volatile |
| 112 | Israel | 36.0% | 2023 | down 28.0% | volatile |
| 113 | Greece | 30.0% | 2023 | down 66.7% | rising |
| 114 | Bulgaria | 25.0% | 2023 | down 68.8% | falling |
| 114 | Norway | 25.0% | 2023 | up 25.0% | volatile |
| 116 | Poland | 8.0% | 2023 | down 88.6% | volatile |
| 117 | Albania | 0.0% | 2023 | down 100.0% | falling |
| 117 | Andorra | 0.0% | 2023 | — | flat |
| 117 | Argentina | 0.0% | 2023 | down 100.0% | falling |
| 117 | Austria | 0.0% | 2023 | — | volatile |
| 117 | Belgium | 0.0% | 2023 | — | volatile |
| 117 | Bolivia | 0.0% | 2023 | down 100.0% | falling |
| 117 | Brazil | 0.0% | 2023 | down 100.0% | falling |
| 117 | Canada | 0.0% | 2023 | down 100.0% | volatile |
| 117 | Switzerland | 0.0% | 2023 | down 100.0% | volatile |
| 117 | Chile | 0.0% | 2023 | down 100.0% | falling |
| 117 | Colombia | 0.0% | 2023 | down 100.0% | falling |
| 117 | Costa Rica | 0.0% | 2023 | down 100.0% | volatile |
| 117 | Cuba | 0.0% | 2023 | down 100.0% | falling |
| 117 | Cyprus | 0.0% | 2023 | down 100.0% | volatile |
| 117 | Germany | 0.0% | 2023 | — | volatile |
| 117 | Denmark | 0.0% | 2023 | — | flat |
| 117 | Dominican Republic | 0.0% | 2023 | down 100.0% | falling |
| 117 | Ecuador | 0.0% | 2023 | down 100.0% | falling |
| 117 | Estonia | 0.0% | 2023 | — | volatile |
| 117 | Finland | 0.0% | 2023 | — | flat |
| 117 | France | 0.0% | 2023 | — | flat |
| 117 | United Kingdom | 0.0% | 2023 | — | flat |
| 117 | Guatemala | 0.0% | 2023 | down 100.0% | falling |
| 117 | Hong Kong | 0.0% | 2023 | down 100.0% | volatile |
| 117 | Honduras | 0.0% | 2023 | down 100.0% | falling |
| 117 | Croatia | 0.0% | 2023 | — | volatile |
| 117 | Haiti | 0.0% | 2023 | down 100.0% | volatile |
| 117 | Iceland | 0.0% | 2023 | — | flat |
| 117 | Lithuania | 0.0% | 2023 | down 100.0% | falling |
| 117 | Macao | 0.0% | 2023 | down 100.0% | volatile |
| 117 | Monaco | 0.0% | 2023 | — | flat |
| 117 | Mexico | 0.0% | 2023 | down 100.0% | falling |
| 117 | North Macedonia | 0.0% | 2021 | down 100.0% | falling |
| 117 | Nicaragua | 0.0% | 2023 | down 100.0% | falling |
| 117 | Netherlands | 0.0% | 2023 | — | volatile |
| 117 | Panama | 0.0% | 2023 | down 100.0% | falling |
| 117 | Peru | 0.0% | 2023 | down 100.0% | falling |
| 117 | Portugal | 0.0% | 2023 | down 100.0% | volatile |
| 117 | Paraguay | 0.0% | 2023 | down 100.0% | falling |
| 117 | Romania | 0.0% | 2023 | down 100.0% | falling |
| 117 | El Salvador | 0.0% | 2023 | down 100.0% | falling |
| 117 | San Marino | 0.0% | 2023 | — | flat |
| 117 | South Sudan | 0.0% | 2023 | down 100.0% | falling |
| 117 | Sao Tome and Principe | 0.0% | 2023 | — | volatile |
| 117 | Slovakia | 0.0% | 2023 | down 100.0% | volatile |
| 117 | Slovenia | 0.0% | 2023 | — | volatile |
| 117 | Sweden | 0.0% | 2023 | — | flat |
| 117 | Seychelles | 0.0% | 2023 | — | volatile |
| 117 | East Timor | 0.0% | 2023 | down 100.0% | volatile |
| 117 | Uruguay | 0.0% | 2023 | down 100.0% | volatile |
| 117 | United States | 0.0% | 2023 | — | flat |
| 117 | Venezuela | 0.0% | 2023 | down 100.0% | falling |
| 117 | Reunion | 0.0% | 2023 | — | flat |
| 117 | Saint Helena | 0.0% | 2023 | — | flat |
About this data
The share of acute flaccid paralysis (AFP) cases, where stool samples were tested for poliovirus and reported to the WHO.