Number of one-year-olds who have not received the inactivated polio vaccine by country

Number of one-year-olds who have not had the first dose of the inactivated polio vaccine in a given year.

Countries reporting
191
Highest
2.27 million one-year-olds
India
Lowest
0.25 one-year-olds
Niue
Median
7,964 one-year-olds
Years covered
9
2015–2023
Data points
1,629

What the numbers show

Number of one-year-olds who have not received the inactivated polio vaccine is currently reported for 191 countries. The highest value is 2.27 million one-year-olds in India; the lowest is 0.25 one-year-olds in Niue.

The median across all reporting countries is 7,964 one-year-olds, and the mean is 100,727 one-year-olds.

Over the past decade 54 countries rose and 133 fell. The largest increase was in Palestine (up 1,349.3%), and the largest decrease in Trinidad and Tobago (down 99.1%).

Number of one-year-olds who have not received the inactivated polio vaccine: full country ranking

#Country LatestYear 10-year changeTrend
1 India 2.27 million one-year-olds 2023 down 90.7% volatile
2 Nigeria 2.04 million one-year-olds 2023 down 47.6% falling
3 Democratic Republic of Congo 1.35 million one-year-olds 2023 down 30.3% falling
4 Indonesia 1.29 million one-year-olds 2023 down 72.5% volatile
5 Ethiopia 1.17 million one-year-olds 2023 down 33.0% falling
6 Pakistan 901,502 one-year-olds 2023 down 81.8% volatile
7 Yemen 671,638 one-year-olds 2023 down 24.9% falling
8 Sudan 653,857 one-year-olds 2023 up 62.0% volatile
9 Afghanistan 556,070 one-year-olds 2023 up 29.4% rising
10 Angola 509,714 one-year-olds 2023 down 6.8% flat
11 Brazil 444,573 one-year-olds 2023 up 411.5% rising
12 Tanzania 375,596 one-year-olds 2023 down 56.9% volatile
13 Madagascar 346,189 one-year-olds 2023 down 38.2% falling
14 Philippines 320,388 one-year-olds 2023 down 78.2% volatile
15 China 296,692 one-year-olds 2023 up 67.0% rising
16 Cameroon 258,386 one-year-olds 2023 down 54.4% falling
17 Myanmar 246,746 one-year-olds 2023 down 70.0% volatile
18 Chad 242,358 one-year-olds 2023 down 43.9% falling
19 Mali 239,957 one-year-olds 2023 down 30.5% falling
20 South Africa 227,750 one-year-olds 2023 up 117.3% rising
21 Mexico 225,436 one-year-olds 2023 up 899.8% volatile
22 Somalia 224,489 one-year-olds 2023 down 31.2% falling
23 Vietnam 212,288 one-year-olds 2023 down 83.5% volatile
24 Guinea 201,110 one-year-olds 2023 down 44.8% falling
25 Mozambique 162,619 one-year-olds 2023 down 34.3% falling
26 Cote d'Ivoire 157,903 one-year-olds 2023 down 77.6% volatile
27 Zambia 147,656 one-year-olds 2023 down 61.1% volatile
28 Niger 144,384 one-year-olds 2023 down 75.9% volatile
29 Papua New Guinea 143,610 one-year-olds 2023 down 29.1% falling
30 Benin 137,151 one-year-olds 2023 down 54.8% falling
31 Syria 133,602 one-year-olds 2023 down 21.9% falling
32 Venezuela 132,602 one-year-olds 2023 down 26.0% falling
33 Central African Republic 117,638 one-year-olds 2023 down 33.5% falling
34 Kenya 114,051 one-year-olds 2023 down 72.7% volatile
35 Argentina 111,746 one-year-olds 2023 down 66.7% volatile
36 United States 111,533 one-year-olds 2023 down 6.2% falling
37 South Sudan 100,514 one-year-olds 2023 down 71.8% volatile
38 Haiti 76,511 one-year-olds 2023 down 43.6% falling
39 Algeria 74,104 one-year-olds 2023 down 91.8% volatile
40 Colombia 70,990 one-year-olds 2023 up 26.0% rising
41 Bolivia 70,372 one-year-olds 2023 up 302.7% rising
42 Ecuador 68,561 one-year-olds 2023 down 76.7% volatile
43 Nepal 67,491 one-year-olds 2023 down 72.2% volatile
44 Iraq 67,272 one-year-olds 2023 down 46.0% volatile
45 Uganda 64,962 one-year-olds 2023 down 91.7% volatile
46 Burundi 61,354 one-year-olds 2023 down 85.3% volatile
47 Cambodia 61,352 one-year-olds 2023 down 11.7% falling
48 Burkina Faso 60,734 one-year-olds 2023 down 84.2% volatile
49 Honduras 59,506 one-year-olds 2023 down 69.8% volatile
50 Malawi 56,373 one-year-olds 2023 rising
51 United Kingdom 55,929 one-year-olds 2023 up 40.4% rising
52 Laos 49,157 one-year-olds 2023 down 64.8% falling
53 Peru 48,320 one-year-olds 2023 up 340.9% rising
54 Thailand 48,265 one-year-olds 2023 down 58.6% volatile
55 Azerbaijan 48,057 one-year-olds 2023 down 4.1% rising
56 Zimbabwe 47,142 one-year-olds 2023 volatile
57 Congo 46,732 one-year-olds 2023 down 59.1% falling
58 Egypt 46,530 one-year-olds 2023 falling
59 Turkey 43,627 one-year-olds 2023 up 62.2% volatile
60 Ghana 42,550 one-year-olds 2023 down 88.8% volatile
61 Russia 41,480 one-year-olds 2023 down 27.6% falling
62 Romania 38,948 one-year-olds 2023 up 295.8% volatile
63 Ukraine 34,034 one-year-olds 2023 down 83.3% volatile
64 Bangladesh 33,672 one-year-olds 2023 down 97.8% volatile
65 Libya 32,958 one-year-olds 2023 up 1,059.7% volatile
66 Senegal 29,814 one-year-olds 2023 down 67.1% volatile
67 Canada 29,756 one-year-olds 2023 up 54.1% rising
68 Liberia 28,146 one-year-olds 2023 down 73.3% falling
69 Paraguay 27,110 one-year-olds 2023 up 234.1% rising
70 Morocco 25,177 one-year-olds 2023 down 94.3% volatile
71 Gabon 24,010 one-year-olds 2023 up 52.5% rising
72 Germany 23,227 one-year-olds 2023 up 61.0% rising
73 Rwanda 22,831 one-year-olds 2023 down 21.5% rising
74 Togo 21,730 one-year-olds 2023 down 87.8% volatile
75 Malaysia 21,500 one-year-olds 2023 up 313.8% volatile
76 Sierra Leone 21,194 one-year-olds 2023 down 76.3% volatile
77 Kyrgyzstan 21,008 one-year-olds 2023 down 68.9% volatile
78 Italy 20,403 one-year-olds 2023 down 19.6% falling
79 Palestine 20,158 one-year-olds 2023 up 1,349.3% volatile
80 Mauritania 19,568 one-year-olds 2023 down 85.0% volatile
81 Namibia 19,143 one-year-olds 2023 down 49.7% volatile
82 Australia 18,397 one-year-olds 2023 down 15.6% falling
83 Japan 16,012 one-year-olds 2023 up 59.4% volatile
84 Saudi Arabia 15,123 one-year-olds 2023 up 33.1% rising
85 Netherlands 14,543 one-year-olds 2023 up 65.2% rising
86 Guinea-Bissau 13,878 one-year-olds 2023 down 66.1% volatile
87 Equatorial Guinea 13,281 one-year-olds 2023 down 67.5% falling
88 Lebanon 12,898 one-year-olds 2023 up 165.5% volatile
89 Gambia 12,478 one-year-olds 2023 down 43.7% volatile
90 Iran 11,990 one-year-olds 2023 down 98.6% volatile
91 Spain 10,284 one-year-olds 2023 up 142.0% rising
92 Eswatini 10,004 one-year-olds 2023 down 37.6% volatile
93 Uzbekistan 9,053 one-year-olds 2023 down 97.2% volatile
94 Kazakhstan 8,702 one-year-olds 2023 up 118.3% volatile
95 Tajikistan 8,045 one-year-olds 2023 down 93.7% volatile
96 Dominican Republic 7,964 one-year-olds 2023 down 95.9% volatile
97 Jordan 6,967 one-year-olds 2023 up 193.2% volatile
98 France 6,957 one-year-olds 2023 down 6.8% falling
99 Lesotho 6,822 one-year-olds 2023 down 78.6% volatile
100 Tunisia 6,717 one-year-olds 2023 up 52.3% rising
101 Djibouti 6,437 one-year-olds 2023 down 48.2% falling
102 Panama 6,361 one-year-olds 2023 down 58.9% volatile
103 East Timor 5,983 one-year-olds 2023 down 63.6% falling
104 Comoros 5,767 one-year-olds 2023 up 20.1% falling
105 Moldova 5,391 one-year-olds 2023 down 72.2% volatile
106 South Korea 5,087 one-year-olds 2023 down 41.8% falling
107 Eritrea 4,692 one-year-olds 2023 down 92.6% volatile
108 United Arab Emirates 4,501 one-year-olds 2023 up 366.6% volatile
109 Sweden 4,438 one-year-olds 2023 up 280.1% rising
110 Czechia 4,357 one-year-olds 2023 up 301.9% volatile
111 Serbia 4,332 one-year-olds 2023 up 226.8% volatile
112 Austria 4,270 one-year-olds 2023 up 0.3% falling
113 Solomon Islands 4,187 one-year-olds 2023 down 77.0% volatile
114 New Zealand 4,127 one-year-olds 2023 down 1.0% flat
116 El Salvador 3,950 one-year-olds 2023 up 249.6% volatile
117 Bosnia and Herzegovina 3,760 one-year-olds 2023 down 71.0% volatile
118 Guatemala 3,686 one-year-olds 2023 down 81.8% volatile
119 North Korea 3,420 one-year-olds 2023 down 94.6% volatile
120 Poland 3,301 one-year-olds 2023 down 14.2% falling
121 Sri Lanka 3,246 one-year-olds 2023 down 98.3% volatile
122 Bulgaria 3,078 one-year-olds 2023 down 33.5% falling
123 Mongolia 2,716 one-year-olds 2023 volatile
124 Switzerland 2,582 one-year-olds 2023 up 1.8% rising
125 Vanuatu 2,561 one-year-olds 2023 down 67.9% volatile
126 Botswana 2,476 one-year-olds 2023 down 95.1% volatile
127 Slovakia 2,216 one-year-olds 2023 up 296.2% volatile
128 Slovenia 2,075 one-year-olds 2023 up 389.9% volatile
129 Estonia 1,913 one-year-olds 2023 up 179.2% rising
130 Georgia 1,857 one-year-olds 2023 down 96.5% volatile
131 Chile 1,838 one-year-olds 2023 down 23.2% falling
132 Suriname 1,817 one-year-olds 2023 down 14.5% flat
133 Israel 1,768 one-year-olds 2023 down 79.0% volatile
134 Lithuania 1,661 one-year-olds 2023 up 83.1% rising
135 Turkmenistan 1,591 one-year-olds 2023 down 75.8% volatile
136 Belarus 1,527 one-year-olds 2023 up 28.3% rising
137 North Macedonia 1,502 one-year-olds 2023 up 214.8% volatile
138 Finland 1,434 one-year-olds 2023 up 145.4% rising
139 Armenia 1,390 one-year-olds 2023 down 95.0% volatile
140 Denmark 1,234 one-year-olds 2023 down 46.2% falling
141 Sao Tome and Principe 1,188 one-year-olds 2023 down 42.1% volatile
142 Belgium 1,171 one-year-olds 2023 down 7.2% falling
143 Belize 1,015 one-year-olds 2023 down 85.5% volatile
144 Cuba 957.44 one-year-olds 2023 down 21.2% falling
145 Hungary 922.37 one-year-olds 2023 up 0.8% flat
146 Singapore 906.12 one-year-olds 2023 down 4.0% falling
147 Oman 846.12 one-year-olds 2023 up 5.8% rising
148 Portugal 824.42 one-year-olds 2023 up 0.0% flat
149 Greece 775.15 one-year-olds 2023 down 16.3% falling
150 Samoa 772.8 one-year-olds 2023 up 119.0% volatile
151 Croatia 689.56 one-year-olds 2023 down 11.2% falling
152 Uruguay 674.54 one-year-olds 2023 up 42.6% volatile
153 Jamaica 659.5 one-year-olds 2023 down 97.4% volatile
154 Albania 574.7 one-year-olds 2023 up 54.9% rising
155 Norway 550.57 one-year-olds 2023 down 8.4% rising
156 Costa Rica 525.6 one-year-olds 2023 down 89.2% volatile
157 Montenegro 515.9 one-year-olds 2023 up 65.6% rising
158 Kuwait 512.18 one-year-olds 2023 down 72.9% volatile
159 Mauritius 488 one-year-olds 2023 down 7.9% rising
160 Kiribati 426.4 one-year-olds 2023 down 72.1% volatile
161 Bhutan 391.96 one-year-olds 2023 down 94.4% volatile
162 Cape Verde 382.92 one-year-olds 2023 down 89.7% volatile
163 Latvia 337.5 one-year-olds 2023 down 21.2% volatile
164 Qatar 300.31 one-year-olds 2023 down 70.8% volatile
165 Barbados 283.23 one-year-olds 2023 up 768.8% volatile
166 Iceland 236.6 one-year-olds 2023 up 35.8% rising
167 Bahrain 179.48 one-year-olds 2023 down 57.5% falling
168 Guyana 165.32 one-year-olds 2023 down 98.5% volatile
169 Trinidad and Tobago 164.59 one-year-olds 2023 down 99.1% volatile
170 Fiji 163.81 one-year-olds 2023 down 82.5% volatile
171 Cyprus 149.69 one-year-olds 2023 up 10.6% rising
172 Grenada 110.64 one-year-olds 2023 down 85.7% volatile
173 Saint Lucia 80.84 one-year-olds 2023 down 95.2% volatile
174 Saint Vincent and the Grenadines 74.28 one-year-olds 2023 down 90.4% volatile
175 Micronesia (country) 73.26 one-year-olds 2023 down 40.9% rising
177 Brunei 62.76 one-year-olds 2023 down 6.4% falling
178 Maldives 59.3 one-year-olds 2023 down 95.5% volatile
179 Seychelles 54.12 one-year-olds 2023 down 94.9% volatile
181 Bahamas 43.43 one-year-olds 2023 down 98.8% volatile
182 Cook Islands 26.32 one-year-olds 2023 up 836.7% volatile
183 Tonga 23.98 one-year-olds 2023 down 98.7% volatile
184 Antigua and Barbuda 22.18 one-year-olds 2023 down 97.4% volatile
185 Marshall Islands 16.86 one-year-olds 2023 down 70.1% falling
186 San Marino 15.47 one-year-olds 2023 down 60.2% falling
187 Saint Kitts and Nevis 11.18 one-year-olds 2023 down 74.7% volatile
188 Nauru 9.27 one-year-olds 2023 down 69.0% volatile
189 Andorra 8.96 one-year-olds 2023 up 47.9% rising
190 Dominica 7.23 one-year-olds 2023 down 98.8% volatile
191 Monaco 3.51 one-year-olds 2023 down 3.6% falling
192 Tuvalu 2.19 one-year-olds 2023 down 11.7% falling
193 Palau 1.96 one-year-olds 2023 down 18.0% volatile
194 Niue 0.25 one-year-olds 2023 down 10.7% falling

About this data

Indicator
Number of one-year-olds who have not received the inactivated polio vaccine
Unit
one-year-olds
Source
WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
194 places, 1,629 data points, 2015–2023
Last refreshed

Number of one-year-olds who have not had the first dose of the inactivated polio vaccine in a given year.