Number of one-year-olds who are not vaccinated against measles by country

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

Countries reporting
191
Highest
3.13 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
7,780

What the numbers show

Number of one-year-olds who are not vaccinated against measles is currently reported for 191 countries. The highest value is 3.13 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 114,300 one-year-olds.

Over the past decade 116 countries rose and 75 fell. The largest increase was in Tanzania (up 1,989.8%), and the largest decrease in Iraq (down 89.3%).

Number of one-year-olds who are not vaccinated against measles: full country ranking

#Country LatestYear 10-year changeTrend
1 Nigeria 3.13 million one-year-olds 2023 down 17.6% rising
2 Democratic Republic of Congo 1.91 million one-year-olds 2023 up 103.4% rising
3 India 1.59 million one-year-olds 2023 down 63.2% volatile
4 Ethiopia 1.25 million one-year-olds 2023 down 11.9% flat
5 Pakistan 1.03 million one-year-olds 2023 down 48.2% falling
6 Indonesia 800,289 one-year-olds 2023 up 22.8% volatile
7 Sudan 762,834 one-year-olds 2023 up 299.6% falling
8 Yemen 710,386 one-year-olds 2023 up 137.1% rising
9 Afghanistan 610,320 one-year-olds 2023 up 23.0% rising
10 China 494,487 one-year-olds 2023 up 170.0% volatile
11 Mexico 491,860 one-year-olds 2023 up 96.2% volatile
12 Angola 471,485 one-year-olds 2023 up 15.2% rising
13 Madagascar 458,467 one-year-olds 2023 up 63.6% rising
14 Mozambique 406,547 one-year-olds 2023 up 155.8% falling
15 Tanzania 353,502 one-year-olds 2023 up 1,989.8% volatile
16 Brazil 339,968 one-year-olds 2023 up 487.0% volatile
17 Philippines 338,188 one-year-olds 2023 down 19.7% volatile
18 United States 297,421 one-year-olds 2023 down 5.8% rising
19 Cote d'Ivoire 278,652 one-year-olds 2023 up 15.1% rising
20 Mali 274,236 one-year-olds 2023 up 2.6% rising
21 Chad 271,735 one-year-olds 2023 up 11.1% rising
22 Somalia 259,566 one-year-olds 2023 down 2.9% rising
23 Cameroon 258,386 one-year-olds 2023 up 20.5% flat
24 Vietnam 254,746 one-year-olds 2023 up 721.5% volatile
25 South Africa 239,737 one-year-olds 2023 down 3.4% falling
26 Myanmar 237,934 one-year-olds 2023 up 90.3% volatile
27 Guinea 214,517 one-year-olds 2023 up 24.4% rising
28 Benin 212,363 one-year-olds 2023 up 76.0% rising
29 Niger 192,511 one-year-olds 2023 up 24.0% falling
30 Uganda 162,404 one-year-olds 2023 down 28.6% falling
31 Bangladesh 134,688 one-year-olds 2023 down 51.5% volatile
32 Venezuela 132,602 one-year-olds 2023 up 52.7% volatile
33 Kenya 128,307 one-year-olds 2023 up 50.3% falling
34 Syria 124,059 one-year-olds 2023 down 32.4% volatile
35 Papua New Guinea 118,849 one-year-olds 2023 up 87.0% rising
36 Central African Republic 117,638 one-year-olds 2023 down 14.9% rising
37 Zambia 109,137 one-year-olds 2023 down 2.2% falling
38 Argentina 101,587 one-year-olds 2023 up 129.4% volatile
39 Egypt 93,059 one-year-olds 2023 down 7.1% volatile
40 Peru 85,903 one-year-olds 2023 up 1.9% volatile
41 South Sudan 85,285 one-year-olds 2023 down 48.9% falling
42 Ghana 85,101 one-year-olds 2023 down 5.8% volatile
43 Malawi 81,428 one-year-olds 2023 up 18.6% falling
44 Burkina Faso 80,978 one-year-olds 2023 down 32.0% volatile
45 Bolivia 80,425 one-year-olds 2023 up 148.6% volatile
46 Cambodia 75,787 one-year-olds 2023 up 2.5% volatile
47 Ecuador 71,304 one-year-olds 2023 up 631.8% volatile
48 United Kingdom 69,911 one-year-olds 2023 up 21.5% volatile
49 Haiti 69,106 one-year-olds 2023 down 14.5% falling
50 Senegal 64,597 one-year-olds 2023 down 13.5% falling
51 Congo 62,908 one-year-olds 2023 up 85.3% rising
52 Burundi 61,354 one-year-olds 2023 up 624.8% volatile
53 Turkey 54,534 one-year-olds 2023 up 116.4% volatile
54 Honduras 52,640 one-year-olds 2023 up 713.2% volatile
55 Colombia 49,693 one-year-olds 2023 down 13.9% volatile
56 Laos 49,157 one-year-olds 2023 up 43.6% falling
57 Japan 48,037 one-year-olds 2023 down 7.5% volatile
58 Zimbabwe 47,142 one-year-olds 2023 up 38.1% volatile
59 Thailand 42,232 one-year-olds 2023 up 418.6% volatile
60 Russia 41,480 one-year-olds 2023 up 12.1% volatile
61 Togo 41,288 one-year-olds 2023 down 34.8% falling
62 Romania 40,802 one-year-olds 2023 up 159.2% volatile
63 Guatemala 40,551 one-year-olds 2023 up 13.6% volatile
64 Nepal 39,370 one-year-olds 2023 down 44.6% volatile
65 Azerbaijan 37,666 one-year-olds 2023 up 51.1% falling
66 France 34,784 one-year-olds 2023 down 54.6% volatile
67 Libya 34,225 one-year-olds 2023 up 501.2% volatile
68 Iraq 33,636 one-year-olds 2023 down 89.3% volatile
69 Germany 30,969 one-year-olds 2023 up 52.1% volatile
70 Lebanon 30,403 one-year-olds 2023 up 59.2% volatile
71 Canada 29,756 one-year-olds 2023 down 22.4% volatile
72 Liberia 28,146 one-year-olds 2023 down 26.6% flat
73 Australia 27,596 one-year-olds 2023 up 50.0% volatile
74 Poland 26,408 one-year-olds 2023 up 234.1% volatile
75 Dominican Republic 23,893 one-year-olds 2023 down 50.4% volatile
76 Sierra Leone 23,549 one-year-olds 2023 down 28.1% falling
77 Paraguay 23,043 one-year-olds 2023 up 49.5% volatile
78 Gabon 22,676 one-year-olds 2023 up 32.2% rising
79 Italy 20,403 one-year-olds 2023 down 62.1% volatile
80 Netherlands 19,996 one-year-olds 2023 up 177.3% falling
81 Equatorial Guinea 19,921 one-year-olds 2023 down 6.8% volatile
82 Ukraine 18,152 one-year-olds 2023 down 83.3% volatile
83 Malaysia 17,200 one-year-olds 2023 down 31.6% volatile
84 Guinea-Bissau 16,894 one-year-olds 2023 up 56.7% falling
85 Palestine 15,839 one-year-olds 2023 up 1,063.9% volatile
86 Gambia 15,597 one-year-olds 2023 up 424.0% volatile
87 Rwanda 15,220 one-year-olds 2023 down 8.6% volatile
88 Saudi Arabia 15,123 one-year-olds 2023 up 37.0% volatile
89 Czechia 14,161 one-year-olds 2023 up 1,203.1% volatile
90 Spain 13,711 one-year-olds 2023 down 40.6% volatile
91 Mauritania 13,045 one-year-olds 2023 down 51.7% falling
92 Lesotho 12,594 one-year-olds 2023 up 123.4% volatile
93 Morocco 12,588 one-year-olds 2023 up 83.9% volatile
94 Iran 11,990 one-year-olds 2023 down 56.9% volatile
95 Namibia 11,652 one-year-olds 2023 down 0.1% falling
96 Jordan 11,611 one-year-olds 2023 up 88.2% volatile
97 Bosnia and Herzegovina 11,279 one-year-olds 2023 up 356.1% volatile
98 Chile 11,027 one-year-olds 2023 down 54.3% flat
99 Serbia 9,903 one-year-olds 2023 up 82.1% falling
100 Algeria 9,263 one-year-olds 2023 down 79.8% volatile
101 Uzbekistan 9,053 one-year-olds 2023 down 51.5% volatile
102 Austria 8,540 one-year-olds 2023 up 33.2% volatile
103 Panama 8,481 one-year-olds 2023 up 38.2% volatile
104 East Timor 8,376 one-year-olds 2023 down 11.6% falling
105 Sweden 7,766 one-year-olds 2023 up 126.7% falling
106 South Korea 7,631 one-year-olds 2023 up 66.7% volatile
107 Greece 6,976 one-year-olds 2023 up 578.1% volatile
108 Comoros 6,921 one-year-olds 2023 up 78.8% falling
109 Tunisia 6,717 one-year-olds 2023 down 46.1% volatile
110 Solomon Islands 6,699 one-year-olds 2023 up 50.4% rising
111 Eritrea 6,569 one-year-olds 2023 up 16.8% volatile
112 New Zealand 6,485 one-year-olds 2023 up 31.9% falling
114 Kyrgyzstan 6,002 one-year-olds 2023 up 293.2% volatile
115 Montenegro 5,601 one-year-olds 2023 up 502.7% volatile
116 Djibouti 5,517 one-year-olds 2023 up 19.3% falling
117 Tajikistan 5,363 one-year-olds 2023 down 25.8% volatile
118 North Macedonia 5,068 one-year-olds 2023 up 428.6% volatile
119 Moldova 5,054 one-year-olds 2023 up 25.8% volatile
120 Bulgaria 4,925 one-year-olds 2023 up 45.3% volatile
121 Albania 4,885 one-year-olds 2023 up 1,263.9% volatile
122 Belgium 4,684 one-year-olds 2023 down 9.3% volatile
123 Kazakhstan 4,351 one-year-olds 2023 up 13.9% volatile
124 Switzerland 4,303 one-year-olds 2023 down 25.1% volatile
125 Eswatini 4,288 one-year-olds 2023 up 381.3% volatile
126 Costa Rica 3,679 one-year-olds 2023 down 43.1% volatile
127 Israel 3,535 one-year-olds 2023 up 8.5% volatile
128 Croatia 3,448 one-year-olds 2023 up 39.6% falling
129 North Korea 3,420 one-year-olds 2023 up 4.5% volatile
130 Slovakia 3,325 one-year-olds 2023 up 183.0% volatile
131 Sri Lanka 3,246 one-year-olds 2023 down 9.3% volatile
132 Suriname 3,100 one-year-olds 2023 up 46.5% falling
133 Denmark 3,085 one-year-olds 2023 down 52.6% volatile
134 Lithuania 3,084 one-year-olds 2023 up 44.9% volatile
135 Finland 2,867 one-year-olds 2023 up 58.6% volatile
136 Mongolia 2,716 one-year-olds 2023 up 33.2% volatile
137 Cyprus 2,694 one-year-olds 2023 up 41.6% volatile
138 Vanuatu 2,650 one-year-olds 2023 up 108.8% falling
139 Georgia 2,322 one-year-olds 2023 up 40.8% volatile
140 Jamaica 2,308 one-year-olds 2023 down 2.8% volatile
141 Belarus 2,290 one-year-olds 2023 up 102.2% volatile
142 United Arab Emirates 2,251 one-year-olds 2023 up 29.5% volatile
143 Norway 2,202 one-year-olds 2023 down 48.8% falling
144 Estonia 1,913 one-year-olds 2023 up 121.5% volatile
145 Botswana 1,857 one-year-olds 2023 up 13.2% volatile
146 Portugal 1,649 one-year-olds 2023 down 11.5% volatile
147 Trinidad and Tobago 1,646 one-year-olds 2023 down 3.6% volatile
148 Turkmenistan 1,591 one-year-olds 2023 up 11.0% volatile
149 Armenia 1,390 one-year-olds 2023 up 6.1% falling
150 Singapore 1,359 one-year-olds 2023 down 40.1% volatile
151 Uruguay 1,349 one-year-olds 2023 down 27.4% volatile
152 El Salvador 987.51 one-year-olds 2023 down 85.8% volatile
153 Cuba 957.44 one-year-olds 2023 down 25.2% volatile
154 Slovenia 943.3 one-year-olds 2023 down 28.9% falling
155 Hungary 922.37 one-year-olds 2023 up 3.3% falling
156 Oman 846.12 one-year-olds 2023 up 20.3% volatile
157 Sao Tome and Principe 812.63 one-year-olds 2023 up 48.3% volatile
158 Samoa 717.6 one-year-olds 2023 up 51.7% volatile
159 Kiribati 688.8 one-year-olds 2023 up 135.7% volatile
160 Bahamas 608.02 one-year-olds 2023 up 44.2% volatile
161 Kuwait 512.18 one-year-olds 2023 down 15.8% volatile
162 Latvia 506.25 one-year-olds 2023 down 34.6% volatile
163 Mauritius 488 one-year-olds 2023 up 239.2% volatile
164 Belize 473.69 one-year-olds 2023 up 557.9% volatile
165 Iceland 425.88 one-year-olds 2023 up 4.6% volatile
166 Barbados 346.17 one-year-olds 2023 down 20.7% volatile
167 Micronesia (country) 341.88 one-year-olds 2023 up 50.3% falling
168 Guyana 330.64 one-year-olds 2023 up 107.2% volatile
169 Fiji 327.62 one-year-olds 2023 down 71.5% volatile
170 Cape Verde 319.1 one-year-olds 2023 down 63.3% volatile
171 Saint Lucia 303.15 one-year-olds 2023 up 1,342.2% volatile
172 Qatar 300.31 one-year-olds 2023 down 56.4% volatile
173 Grenada 248.94 one-year-olds 2023 up 135.7% volatile
175 Brunei 188.28 one-year-olds 2023 down 30.0% volatile
176 Bahrain 179.48 one-year-olds 2023 down 5.8% volatile
177 Seychelles 126.28 one-year-olds 2023 up 161.3% volatile
178 Saint Vincent and the Grenadines 123.8 one-year-olds 2023 up 627.8% volatile
179 Dominica 115.68 one-year-olds 2023 up 74.5% volatile
180 Marshall Islands 101.16 one-year-olds 2023 down 64.0% volatile
181 Bhutan 97.99 one-year-olds 2023 down 87.0% volatile
183 Antigua and Barbuda 66.54 one-year-olds 2023 up 39.0% volatile
184 Maldives 59.3 one-year-olds 2023 down 19.8% volatile
185 Monaco 42.12 one-year-olds 2023 up 38.5% volatile
186 Cook Islands 30.08 one-year-olds 2023 up 227.7% volatile
187 Saint Kitts and Nevis 27.95 one-year-olds 2023 up 321.6% volatile
188 San Marino 24.31 one-year-olds 2023 down 57.9% volatile
189 Tonga 23.98 one-year-olds 2023 down 13.8% volatile
190 Palau 7.84 one-year-olds 2023 up 239.4% volatile
191 Nauru 6.18 one-year-olds 2023 down 41.6% volatile
192 Andorra 4.48 one-year-olds 2023 down 86.3% volatile
193 Tuvalu 4.38 one-year-olds 2023 down 60.3% volatile
194 Niue 0.25 one-year-olds 2023 down 16.7% volatile

About this data

Indicator
Number of one-year-olds who are not vaccinated against measles
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, 7,780 data points, 1980–2023
Last refreshed

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