Statizoid

Share of potential polio cases tested and reported to the WHO by country

Share of acute flaccid paralysis (AFP) cases, where stool samples were tested for poliovirus and reported to the WHO.

Countries reporting
160
Highest
100.0%
Armenia
Lowest
0.0%
Venezuela
Median
84.0%
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 160 countries. The highest value is 100.0% in Armenia; the lowest is 0.0% in Venezuela.

The median across all reporting countries is 84.0%, and the mean is 61.7%.

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 LatestYear 10-year changeTrend
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 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 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 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 Ireland 0.0% 2023 — volatile
117 Lithuania 0.0% 2023 down 100.0% falling
117 Macao 0.0% 2023 down 100.0% volatile
117 Mexico 0.0% 2023 down 100.0% falling
117 North Macedonia 0.0% 2021 down 100.0% falling
117 Malta 0.0% 2023 — volatile
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 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 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 Venezuela 0.0% 2023 down 100.0% falling

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Share of potential polio cases tested and reported to the WHO by country. Statizoid, drawing on World Health Organization (2024) – processed by Our World in Data. Retrieved 24 September 2026, from https://reference.statizoid.com/stat/share-of-potential-polio-cases-with-adequate-stool-collection/

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About this data

Indicator
Share of potential polio cases tested and reported to the WHO
Unit
%
Source
World Health Organization (2024) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
173 places, 3,711 data points, 2001–2023
Last refreshed

Share of acute flaccid paralysis (AFP) cases, where stool samples were tested for poliovirus and reported to the WHO.