Number of one-year-olds who are not vaccinated against polio by country
Number of one-year-olds who have not had the third dose of either the oral or inactivated polio vaccine in a given year.
Countries reporting
191
Highest
2.04 million one-year-olds
Nigeria
Lowest
0.25 one-year-olds
Niue
Median
11,611 one-year-olds
Years covered
44
1980–2023
Data points
7,911
What the numbers show
Number of one-year-olds who are not vaccinated against polio is currently reported for 191 countries. The highest value is 2.04 million one-year-olds in Nigeria; the lowest is 0.25 one-year-olds in Niue.
The median across all reporting countries is 11,611 one-year-olds, and the mean is 107,600 one-year-olds.
Over the past decade 120 countries rose and 71 fell. The largest increase was in North Korea (up 10,354.8%), and the largest decrease in Jamaica (down 88.1%).
Number of one-year-olds who are not vaccinated against polio: full country ranking
| # | Country | Latest | Year | 10-year change | Trend |
|---|---|---|---|---|---|
| 1 | Nigeria | 2.04 million one-year-olds | 2023 | down 47.2% | rising |
| 2 | India | 2.04 million one-year-olds | 2023 | down 55.3% | volatile |
| 3 | Democratic Republic of Congo | 1.55 million one-year-olds | 2023 | up 82.3% | rising |
| 4 | Ethiopia | 1.21 million one-year-olds | 2023 | up 20.1% | falling |
| 5 | Pakistan | 901,502 one-year-olds | 2023 | down 58.6% | falling |
| 6 | Indonesia | 800,289 one-year-olds | 2023 | up 99.6% | volatile |
| 7 | Sudan | 731,697 one-year-olds | 2023 | up 721.4% | volatile |
| 8 | Yemen | 697,470 one-year-olds | 2023 | up 166.0% | rising |
| 9 | Vietnam | 566,102 one-year-olds | 2023 | up 421.6% | volatile |
| 10 | Afghanistan | 556,070 one-year-olds | 2023 | up 33.9% | rising |
| 11 | Tanzania | 441,878 one-year-olds | 2023 | up 190.3% | volatile |
| 12 | Philippines | 409,385 one-year-olds | 2023 | up 10.1% | falling |
| 13 | Brazil | 392,271 one-year-olds | 2023 | up 238.7% | volatile |
| 14 | Madagascar | 346,189 one-year-olds | 2023 | up 58.9% | flat |
| 15 | Angola | 344,057 one-year-olds | 2023 | down 36.2% | rising |
| 16 | North Korea | 341,955 one-year-olds | 2023 | up 10,354.8% | volatile |
| 17 | Mexico | 307,412 one-year-olds | 2023 | down 20.7% | volatile |
| 18 | China | 296,692 one-year-olds | 2023 | up 62.0% | volatile |
| 19 | United States | 260,243 one-year-olds | 2023 | down 5.8% | volatile |
| 20 | Mozambique | 255,544 one-year-olds | 2023 | up 43.8% | falling |
| 21 | South Africa | 251,724 one-year-olds | 2023 | up 6.2% | falling |
| 22 | Chad | 242,358 one-year-olds | 2023 | down 21.1% | rising |
| 23 | Mali | 239,957 one-year-olds | 2023 | down 20.7% | falling |
| 24 | Myanmar | 237,934 one-year-olds | 2023 | up 11.0% | volatile |
| 25 | Cameroon | 231,656 one-year-olds | 2023 | up 25.4% | falling |
| 26 | Cote d'Ivoire | 213,633 one-year-olds | 2023 | up 1.8% | falling |
| 27 | Somalia | 203,443 one-year-olds | 2023 | down 22.5% | rising |
| 28 | Guinea | 201,110 one-year-olds | 2023 | up 16.6% | rising |
| 29 | Uganda | 178,644 one-year-olds | 2023 | down 39.3% | falling |
| 30 | Syria | 162,231 one-year-olds | 2023 | down 31.5% | volatile |
| 31 | Venezuela | 157,464 one-year-olds | 2023 | up 51.2% | rising |
| 32 | Argentina | 147,302 one-year-olds | 2023 | up 99.6% | volatile |
| 33 | Niger | 144,384 one-year-olds | 2023 | down 51.1% | falling |
| 34 | Benin | 137,151 one-year-olds | 2023 | up 34.7% | rising |
| 35 | Papua New Guinea | 133,706 one-year-olds | 2023 | up 55.0% | rising |
| 36 | Haiti | 133,277 one-year-olds | 2023 | up 46.6% | falling |
| 37 | Kenya | 114,051 one-year-olds | 2023 | up 0.2% | falling |
| 38 | Ecuador | 112,440 one-year-olds | 2023 | up 166.3% | volatile |
| 39 | Central African Republic | 111,853 one-year-olds | 2023 | down 21.1% | rising |
| 40 | Algeria | 111,156 one-year-olds | 2023 | up 142.3% | volatile |
| 41 | Bangladesh | 101,016 one-year-olds | 2023 | down 18.1% | volatile |
| 42 | Iraq | 100,908 one-year-olds | 2023 | down 65.2% | flat |
| 43 | Egypt | 93,059 one-year-olds | 2023 | up 23.9% | volatile |
| 44 | Germany | 92,907 one-year-olds | 2023 | up 95.6% | volatile |
| 45 | Congo | 86,274 one-year-olds | 2023 | up 64.0% | rising |
| 46 | Peru | 85,903 one-year-olds | 2023 | down 47.3% | volatile |
| 47 | South Sudan | 85,285 one-year-olds | 2023 | down 50.1% | falling |
| 48 | Bolivia | 82,938 one-year-olds | 2023 | up 156.3% | volatile |
| 49 | Ghana | 76,591 one-year-olds | 2023 | up 3.7% | volatile |
| 50 | Colombia | 70,990 one-year-olds | 2023 | up 9.3% | volatile |
| 51 | Honduras | 66,373 one-year-olds | 2023 | up 2,976.1% | volatile |
| 52 | Burkina Faso | 60,734 one-year-olds | 2023 | down 16.5% | volatile |
| 53 | Zambia | 57,778 one-year-olds | 2023 | down 60.2% | rising |
| 54 | Malawi | 56,373 one-year-olds | 2023 | down 10.4% | volatile |
| 55 | United Kingdom | 55,929 one-year-olds | 2023 | up 36.1% | falling |
| 56 | Cambodia | 54,134 one-year-olds | 2023 | down 47.0% | volatile |
| 57 | Burundi | 48,207 one-year-olds | 2023 | up 184.8% | volatile |
| 58 | Lebanon | 47,908 one-year-olds | 2023 | up 137.7% | volatile |
| 59 | Zimbabwe | 47,142 one-year-olds | 2023 | up 93.4% | volatile |
| 60 | Poland | 46,215 one-year-olds | 2023 | up 133.9% | volatile |
| 61 | Guatemala | 44,238 one-year-olds | 2023 | up 85.9% | volatile |
| 62 | Liberia | 43,783 one-year-olds | 2023 | up 48.4% | rising |
| 63 | Azerbaijan | 42,862 one-year-olds | 2023 | up 41.6% | falling |
| 64 | Thailand | 42,232 one-year-olds | 2023 | up 418.6% | volatile |
| 65 | Russia | 41,480 one-year-olds | 2023 | up 12.1% | volatile |
| 66 | Senegal | 39,752 one-year-olds | 2023 | down 22.5% | volatile |
| 67 | Nepal | 39,370 one-year-olds | 2023 | down 16.9% | volatile |
| 68 | Romania | 38,948 one-year-olds | 2023 | up 64.9% | volatile |
| 69 | Laos | 38,057 one-year-olds | 2023 | up 35.8% | falling |
| 70 | Libya | 34,225 one-year-olds | 2023 | up 501.2% | volatile |
| 71 | Ukraine | 34,034 one-year-olds | 2023 | down 76.5% | volatile |
| 72 | Paraguay | 33,887 one-year-olds | 2023 | up 163.8% | volatile |
| 73 | Canada | 29,756 one-year-olds | 2023 | down 13.8% | falling |
| 74 | France | 27,827 one-year-olds | 2023 | down 69.7% | volatile |
| 75 | Spain | 23,995 one-year-olds | 2023 | up 30.0% | volatile |
| 76 | Togo | 23,903 one-year-olds | 2023 | down 33.9% | falling |
| 77 | Rwanda | 22,831 one-year-olds | 2023 | up 242.9% | volatile |
| 78 | Dominican Republic | 21,902 one-year-olds | 2023 | down 41.9% | volatile |
| 79 | Malaysia | 21,500 one-year-olds | 2023 | up 42.4% | volatile |
| 80 | Sierra Leone | 21,194 one-year-olds | 2023 | up 21.3% | volatile |
| 81 | Gabon | 20,675 one-year-olds | 2023 | up 57.2% | rising |
| 82 | Panama | 20,496 one-year-olds | 2023 | up 40.6% | volatile |
| 83 | Italy | 20,403 one-year-olds | 2023 | down 5.3% | volatile |
| 84 | Saudi Arabia | 20,163 one-year-olds | 2023 | up 82.7% | volatile |
| 85 | Namibia | 19,143 one-year-olds | 2023 | up 168.4% | falling |
| 86 | Morocco | 18,883 one-year-olds | 2023 | up 175.8% | volatile |
| 87 | Australia | 18,397 one-year-olds | 2023 | down 33.4% | volatile |
| 88 | Mauritania | 16,306 one-year-olds | 2023 | down 39.6% | falling |
| 89 | Japan | 16,012 one-year-olds | 2023 | up 54.1% | volatile |
| 90 | Palestine | 15,839 one-year-olds | 2023 | up 1,063.9% | volatile |
| 91 | Guinea-Bissau | 15,084 one-year-olds | 2023 | up 89.8% | falling |
| 92 | Netherlands | 14,543 one-year-olds | 2023 | up 168.9% | rising |
| 93 | Equatorial Guinea | 13,792 one-year-olds | 2023 | down 26.5% | rising |
| 94 | Kyrgyzstan | 12,004 one-year-olds | 2023 | up 162.1% | volatile |
| 95 | Iran | 11,990 one-year-olds | 2023 | down 56.9% | volatile |
| 96 | Jordan | 11,611 one-year-olds | 2023 | up 182.2% | volatile |
| 97 | Austria | 11,102 one-year-olds | 2023 | up 177.1% | rising |
| 98 | Gambia | 10,918 one-year-olds | 2023 | up 266.8% | volatile |
| 99 | Turkey | 10,907 one-year-olds | 2023 | down 56.7% | volatile |
| 100 | Czechia | 10,893 one-year-olds | 2023 | up 902.4% | volatile |
| 101 | Uzbekistan | 9,053 one-year-olds | 2023 | up 45.4% | volatile |
| 102 | Comoros | 8,766 one-year-olds | 2023 | up 126.5% | falling |
| 103 | Tajikistan | 8,045 one-year-olds | 2023 | up 11.3% | volatile |
| 104 | South Korea | 7,631 one-year-olds | 2023 | up 66.7% | volatile |
| 105 | Chile | 7,351 one-year-olds | 2023 | down 69.5% | falling |
| 106 | New Zealand | 7,075 one-year-olds | 2023 | up 43.8% | volatile |
| 107 | Eswatini | 6,860 one-year-olds | 2023 | up 1,055.1% | volatile |
| 108 | Lesotho | 6,822 one-year-olds | 2023 | up 21.0% | volatile |
| 109 | Sweden | 6,656 one-year-olds | 2023 | up 191.5% | volatile |
| 110 | Djibouti | 6,437 one-year-olds | 2023 | up 54.6% | falling |
| 111 | Georgia | 5,572 one-year-olds | 2023 | up 69.0% | volatile |
| 112 | East Timor | 5,085 one-year-olds | 2023 | down 10.6% | falling |
| 113 | Tunisia | 5,038 one-year-olds | 2023 | up 21.3% | volatile |
| 114 | Bulgaria | 4,925 one-year-olds | 2023 | up 45.3% | volatile |
| 115 | Eritrea | 4,692 one-year-olds | 2023 | down 16.6% | volatile |
| 116 | United Arab Emirates | 4,501 one-year-olds | 2023 | up 159.0% | volatile |
| 117 | Kazakhstan | 4,351 one-year-olds | 2023 | down 43.0% | volatile |
| 118 | Serbia | 4,332 one-year-olds | 2023 | up 112.4% | volatile |
| 119 | Switzerland | 4,303 one-year-olds | 2023 | up 31.2% | rising |
| 120 | Finland | 4,301 one-year-olds | 2023 | up 256.7% | volatile |
| 122 | Moldova | 4,043 one-year-olds | 2023 | up 13.2% | volatile |
| 123 | Solomon Islands | 3,977 one-year-olds | 2023 | up 42.9% | volatile |
| 124 | El Salvador | 3,950 one-year-olds | 2023 | down 65.9% | volatile |
| 125 | Israel | 3,535 one-year-olds | 2023 | down 45.7% | falling |
| 126 | Bosnia and Herzegovina | 3,258 one-year-olds | 2023 | down 18.9% | volatile |
| 127 | Sri Lanka | 3,246 one-year-olds | 2023 | down 9.3% | volatile |
| 128 | Turkmenistan | 3,183 one-year-olds | 2023 | up 11.0% | volatile |
| 129 | Suriname | 2,993 one-year-olds | 2023 | up 27.9% | volatile |
| 130 | North Macedonia | 2,628 one-year-olds | 2023 | up 448.1% | volatile |
| 131 | Vanuatu | 2,561 one-year-olds | 2023 | up 46.8% | falling |
| 132 | Botswana | 2,476 one-year-olds | 2023 | up 13.2% | volatile |
| 133 | Croatia | 2,413 one-year-olds | 2023 | up 46.6% | volatile |
| 134 | Lithuania | 2,372 one-year-olds | 2023 | up 11.4% | volatile |
| 135 | Belgium | 2,342 one-year-olds | 2023 | up 81.4% | volatile |
| 136 | Greece | 2,325 one-year-olds | 2023 | up 126.0% | volatile |
| 137 | Slovakia | 2,216 one-year-olds | 2023 | up 88.7% | rising |
| 138 | Norway | 2,202 one-year-olds | 2023 | down 40.3% | falling |
| 139 | Armenia | 2,085 one-year-olds | 2023 | up 19.4% | volatile |
| 140 | Slovenia | 2,075 one-year-olds | 2023 | up 87.7% | rising |
| 141 | Estonia | 2,041 one-year-olds | 2023 | up 136.3% | volatile |
| 142 | Mongolia | 2,037 one-year-olds | 2023 | up 49.9% | volatile |
| 143 | Denmark | 1,851 one-year-olds | 2023 | down 47.9% | volatile |
| 144 | Uruguay | 1,686 one-year-olds | 2023 | down 27.4% | volatile |
| 145 | Belarus | 1,527 one-year-olds | 2023 | down 32.6% | volatile |
| 146 | Montenegro | 1,400 one-year-olds | 2023 | up 201.3% | rising |
| 147 | Belize | 1,015 one-year-olds | 2023 | up 182.0% | volatile |
| 148 | Cuba | 957.44 one-year-olds | 2023 | down 25.2% | volatile |
| 149 | Sao Tome and Principe | 937.65 one-year-olds | 2023 | up 413.4% | volatile |
| 150 | Hungary | 922.37 one-year-olds | 2023 | up 3.3% | falling |
| 151 | Singapore | 906.12 one-year-olds | 2023 | down 33.5% | volatile |
| 152 | Samoa | 883.2 one-year-olds | 2023 | down 21.4% | volatile |
| 153 | Albania | 862.05 one-year-olds | 2023 | up 140.7% | volatile |
| 154 | Oman | 846.12 one-year-olds | 2023 | up 20.3% | volatile |
| 155 | Portugal | 824.42 one-year-olds | 2023 | down 55.7% | volatile |
| 156 | Cyprus | 748.45 one-year-olds | 2023 | up 450.7% | volatile |
| 157 | Jamaica | 659.5 one-year-olds | 2023 | down 88.1% | volatile |
| 158 | Trinidad and Tobago | 658.36 one-year-olds | 2023 | down 42.1% | volatile |
| 159 | Qatar | 600.62 one-year-olds | 2023 | up 161.4% | volatile |
| 160 | Bahamas | 564.59 one-year-olds | 2023 | up 257.2% | volatile |
| 161 | Costa Rica | 525.6 one-year-olds | 2023 | down 85.4% | falling |
| 162 | Micronesia (country) | 512.82 one-year-olds | 2023 | up 6.8% | falling |
| 163 | Kuwait | 512.18 one-year-olds | 2023 | down 15.8% | volatile |
| 164 | Fiji | 491.43 one-year-olds | 2023 | up 156.6% | volatile |
| 165 | Barbados | 472.05 one-year-olds | 2023 | up 56.2% | volatile |
| 166 | Kiribati | 426.4 one-year-olds | 2023 | up 45.9% | volatile |
| 167 | Cape Verde | 382.92 one-year-olds | 2023 | down 43.4% | volatile |
| 168 | Iceland | 378.56 one-year-olds | 2023 | down 7.1% | volatile |
| 169 | Mauritius | 366 one-year-olds | 2023 | up 27.2% | volatile |
| 170 | Latvia | 337.5 one-year-olds | 2023 | down 70.9% | volatile |
| 171 | Dominica | 310.89 one-year-olds | 2023 | up 720.7% | volatile |
| 172 | Bhutan | 195.98 one-year-olds | 2023 | down 47.9% | volatile |
| 173 | Grenada | 193.62 one-year-olds | 2023 | up 450.1% | volatile |
| 174 | Bahrain | 179.48 one-year-olds | 2023 | down 5.8% | volatile |
| 175 | Guyana | 165.32 one-year-olds | 2023 | down 48.2% | volatile |
| 176 | Marshall Islands | 134.88 one-year-olds | 2023 | down 52.0% | volatile |
| 179 | Brunei | 62.76 one-year-olds | 2023 | down 6.7% | volatile |
| 180 | Saint Lucia | 60.63 one-year-olds | 2023 | up 188.4% | volatile |
| 181 | Maldives | 59.3 one-year-olds | 2023 | down 19.8% | volatile |
| 182 | Seychelles | 54.12 one-year-olds | 2023 | up 68.0% | volatile |
| 183 | Cook Islands | 26.32 one-year-olds | 2023 | up 330.1% | volatile |
| 184 | Tonga | 23.98 one-year-olds | 2023 | down 13.8% | volatile |
| 185 | Saint Kitts and Nevis | 22.36 one-year-olds | 2023 | up 12.4% | volatile |
| 186 | Antigua and Barbuda | 22.18 one-year-olds | 2023 | down 7.4% | volatile |
| 187 | San Marino | 19.89 one-year-olds | 2023 | down 55.7% | volatile |
| 188 | Tuvalu | 13.14 one-year-olds | 2023 | down 52.4% | volatile |
| 189 | Saint Vincent and the Grenadines | 12.38 one-year-olds | 2023 | down 75.7% | volatile |
| 190 | Nauru | 9.27 one-year-olds | 2023 | down 79.8% | volatile |
| 191 | Andorra | 8.96 one-year-olds | 2023 | down 54.2% | volatile |
| 192 | Palau | 5.88 one-year-olds | 2023 | up 154.5% | volatile |
| 193 | Monaco | 3.51 one-year-olds | 2023 | up 3.8% | flat |
| 194 | Niue | 0.25 one-year-olds | 2023 | down 16.7% | volatile |
About this data
Number of one-year-olds who have not had the third dose of either the oral or inactivated polio vaccine in a given year.