Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus by country

Number of one-year-olds who have not had three doses of the combined diphtheria, tetanus and pertussis vaccine in a given year.

Countries reporting
191
Highest
2.25 million one-year-olds
Nigeria
Lowest
0.25 one-year-olds
Niue
Median
11,102 one-year-olds
Years covered
44
1980–2023
Data points
7,906

What the numbers show

Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus is currently reported for 191 countries. The highest value is 2.25 million one-year-olds in Nigeria; the lowest is 0.25 one-year-olds in Niue.

The median across all reporting countries is 11,102 one-year-olds, and the mean is 104,391 one-year-olds.

Over the past decade 115 countries rose and 76 fell. The largest increase was in Honduras (up 2,763.9%), and the largest decrease in Nauru (down 93.3%).

Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus: full country ranking

#Country LatestYear 10-year changeTrend
1 Nigeria 2.25 million one-year-olds 2023 down 43.8% rising
2 India 2.04 million one-year-olds 2023 down 52.7% volatile
3 Democratic Republic of Congo 1.59 million one-year-olds 2023 up 87.0% rising
4 Ethiopia 1.17 million one-year-olds 2023 down 9.3% falling
5 Pakistan 901,502 one-year-olds 2023 down 58.6% falling
6 Sudan 762,834 one-year-olds 2023 up 756.3% volatile
7 Indonesia 755,828 one-year-olds 2023 up 88.5% volatile
8 Yemen 697,470 one-year-olds 2023 up 156.9% rising
9 Afghanistan 542,507 one-year-olds 2023 up 30.6% rising
10 Vietnam 495,339 one-year-olds 2023 down 22.1% volatile
11 Angola 433,257 one-year-olds 2023 down 5.7% rising
12 China 395,590 one-year-olds 2023 up 116.0% volatile
13 Tanzania 375,596 one-year-olds 2023 up 146.7% falling
14 Mozambique 348,469 one-year-olds 2023 up 107.0% falling
15 Madagascar 327,476 one-year-olds 2023 up 40.3% rising
16 Mexico 307,412 one-year-olds 2023 down 20.7% volatile
17 Brazil 261,514 one-year-olds 2023 up 201.0% volatile
18 Myanmar 255,559 one-year-olds 2023 up 14.5% volatile
19 South Africa 251,724 one-year-olds 2023 up 17.4% falling
20 Chad 242,358 one-year-olds 2023 down 30.2% rising
21 United States 223,065 one-year-olds 2023 down 5.8% volatile
22 Cameroon 222,746 one-year-olds 2023 up 25.6% falling
23 Somalia 217,474 one-year-olds 2023 down 23.0% rising
24 Mali 214,247 one-year-olds 2023 down 15.4% falling
25 Philippines 195,793 one-year-olds 2023 down 47.3% falling
26 Cote d'Ivoire 195,057 one-year-olds 2023 down 3.3% falling
27 Venezuela 190,615 one-year-olds 2023 up 83.0% falling
28 Guinea 178,764 one-year-olds 2023 up 6.0% rising
29 Argentina 172,699 one-year-olds 2023 up 290.0% volatile
30 Syria 162,231 one-year-olds 2023 down 40.4% volatile
31 Papua New Guinea 160,942 one-year-olds 2023 up 77.3% rising
32 Uganda 146,164 one-year-olds 2023 down 31.7% falling
33 Niger 144,384 one-year-olds 2023 down 25.6% falling
34 Benin 137,151 one-year-olds 2023 up 58.1% rising
35 Central African Republic 115,710 one-year-olds 2023 down 18.4% rising
36 Haiti 113,532 one-year-olds 2023 up 28.5% falling
37 Bangladesh 101,016 one-year-olds 2023 down 18.1% volatile
38 Iraq 100,908 one-year-olds 2023 down 67.8% rising
39 Kenya 99,795 one-year-olds 2023 down 46.0% falling
40 Egypt 93,059 one-year-olds 2023 up 23.9% volatile
41 Peru 85,903 one-year-olds 2023 up 27.4% volatile
42 Germany 85,165 one-year-olds 2023 up 79.3% volatile
43 Bolivia 82,938 one-year-olds 2023 up 138.0% volatile
44 Ecuador 82,274 one-year-olds 2023 up 94.8% volatile
45 South Sudan 82,239 one-year-olds 2023 down 54.9% falling
46 Algeria 74,104 one-year-olds 2023 up 61.6% volatile
47 Colombia 70,990 one-year-olds 2023 up 9.3% volatile
48 Zambia 64,198 one-year-olds 2023 down 45.2% flat
49 Azerbaijan 63,643 one-year-olds 2023 up 62.5% rising
50 Honduras 61,795 one-year-olds 2023 up 2,763.9% volatile
51 Burkina Faso 60,734 one-year-olds 2023 down 23.5% volatile
52 Cambodia 57,743 one-year-olds 2023 up 17.1% volatile
53 Malawi 56,373 one-year-olds 2023 down 10.4% volatile
54 United Kingdom 55,929 one-year-olds 2023 up 36.1% volatile
55 Thailand 48,265 one-year-olds 2023 up 492.7% volatile
56 Burundi 48,207 one-year-olds 2023 up 184.8% volatile
57 Zimbabwe 47,142 one-year-olds 2023 up 93.4% volatile
58 Guatemala 44,238 one-year-olds 2023 up 178.8% volatile
59 Lebanon 43,301 one-year-olds 2023 up 140.1% volatile
60 Ghana 42,550 one-year-olds 2023 down 48.2% volatile
61 Russia 41,480 one-year-olds 2023 down 25.2% volatile
62 Laos 41,228 one-year-olds 2023 up 55.8% falling
63 Senegal 39,752 one-year-olds 2023 up 6.5% volatile
64 Congo 39,542 one-year-olds 2023 up 55.3% rising
65 Paraguay 39,309 one-year-olds 2023 up 240.0% volatile
66 Romania 38,948 one-year-olds 2023 up 147.4% volatile
67 Ukraine 38,572 one-year-olds 2023 down 68.9% volatile
68 Libya 34,225 one-year-olds 2023 up 501.2% volatile
69 Nepal 33,745 one-year-olds 2023 down 28.7% volatile
70 Canada 29,756 one-year-olds 2023 down 13.8% falling
71 France 27,827 one-year-olds 2023 down 69.7% volatile
72 Liberia 26,583 one-year-olds 2023 down 9.9% falling
73 Spain 23,995 one-year-olds 2023 up 30.0% volatile
74 Rwanda 22,831 one-year-olds 2023 up 242.9% volatile
75 Togo 21,730 one-year-olds 2023 down 39.9% falling
76 Malaysia 21,500 one-year-olds 2023 up 42.4% volatile
77 Sierra Leone 21,194 one-year-olds 2023 up 21.3% volatile
78 Kyrgyzstan 21,008 one-year-olds 2023 up 358.7% volatile
79 Panama 20,496 one-year-olds 2023 up 33.6% volatile
80 Italy 20,403 one-year-olds 2023 down 5.3% volatile
81 Gabon 20,008 one-year-olds 2023 up 66.6% rising
82 Dominican Republic 19,910 one-year-olds 2023 down 44.1% volatile
83 Morocco 18,883 one-year-olds 2023 up 175.8% volatile
84 Australia 18,397 one-year-olds 2023 down 33.4% volatile
85 Palestine 17,279 one-year-olds 2023 up 1,169.7% volatile
86 Poland 16,505 one-year-olds 2023 up 317.6% volatile
87 Mauritania 16,306 one-year-olds 2023 down 39.6% falling
88 Japan 16,012 one-year-olds 2023 down 61.5% volatile
89 Guinea-Bissau 15,688 one-year-olds 2023 up 112.6% falling
90 Saudi Arabia 15,123 one-year-olds 2023 up 37.0% volatile
91 Netherlands 14,543 one-year-olds 2023 up 168.9% rising
92 Namibia 14,149 one-year-olds 2023 up 98.4% falling
93 Equatorial Guinea 13,281 one-year-olds 2023 down 35.2% rising
94 Gambia 12,478 one-year-olds 2023 up 458.9% volatile
95 Iran 11,990 one-year-olds 2023 down 56.9% volatile
96 Austria 11,102 one-year-olds 2023 up 177.1% rising
97 Turkey 10,907 one-year-olds 2023 down 56.7% volatile
98 Czechia 10,893 one-year-olds 2023 up 401.2% volatile
99 Tajikistan 10,727 one-year-olds 2023 up 11.3% volatile
100 Jordan 9,289 one-year-olds 2023 up 125.8% volatile
101 Uzbekistan 9,053 one-year-olds 2023 up 45.4% volatile
102 Chile 7,351 one-year-olds 2023 down 66.2% falling
103 New Zealand 7,075 one-year-olds 2023 up 43.8% falling
104 Bosnia and Herzegovina 6,768 one-year-olds 2023 up 99.0% volatile
105 Sweden 6,656 one-year-olds 2023 up 191.5% volatile
106 Djibouti 6,437 one-year-olds 2023 up 54.6% falling
107 Comoros 5,767 one-year-olds 2023 up 57.7% falling
108 Georgia 5,572 one-year-olds 2023 up 44.8% volatile
109 Lesotho 5,248 one-year-olds 2023 up 33.0% volatile
110 South Korea 5,087 one-year-olds 2023 up 11.1% volatile
111 East Timor 5,085 one-year-olds 2023 down 10.6% falling
112 Tunisia 5,038 one-year-olds 2023 up 21.3% volatile
113 Bulgaria 4,925 one-year-olds 2023 up 45.3% volatile
114 Eritrea 4,692 one-year-olds 2023 down 16.6% volatile
115 United Arab Emirates 4,501 one-year-olds 2023 up 159.0% volatile
116 Moldova 4,380 one-year-olds 2023 down 1.9% volatile
117 Kazakhstan 4,351 one-year-olds 2023 down 43.0% volatile
118 Serbia 4,332 one-year-olds 2023 up 27.4% volatile
119 Switzerland 4,303 one-year-olds 2023 up 31.2% falling
120 Finland 4,301 one-year-olds 2023 up 256.7% volatile
121 Eswatini 4,288 one-year-olds 2023 up 621.9% volatile
123 El Salvador 3,950 one-year-olds 2023 down 57.3% volatile
124 Greece 3,876 one-year-olds 2023 up 276.7% volatile
125 Israel 3,535 one-year-olds 2023 down 45.7% falling
126 North Korea 3,420 one-year-olds 2023 down 85.1% volatile
127 Solomon Islands 3,349 one-year-olds 2023 up 6.2% falling
128 Sri Lanka 3,246 one-year-olds 2023 down 9.3% volatile
129 Turkmenistan 3,183 one-year-olds 2023 up 11.0% volatile
130 Botswana 3,095 one-year-olds 2023 up 13.2% volatile
131 Suriname 2,993 one-year-olds 2023 up 16.8% falling
132 Mongolia 2,716 one-year-olds 2023 up 99.9% volatile
133 North Macedonia 2,628 one-year-olds 2023 up 448.1% volatile
134 Vanuatu 2,473 one-year-olds 2023 up 94.9% falling
135 Croatia 2,413 one-year-olds 2023 up 46.6% volatile
136 Lithuania 2,372 one-year-olds 2023 up 11.4% volatile
137 Belgium 2,342 one-year-olds 2023 up 81.4% volatile
138 Slovakia 2,216 one-year-olds 2023 up 88.7% volatile
139 Norway 2,202 one-year-olds 2023 down 40.3% volatile
140 Armenia 2,085 one-year-olds 2023 down 4.5% volatile
141 Slovenia 2,075 one-year-olds 2023 up 87.7% rising
142 Estonia 2,041 one-year-olds 2023 up 136.3% 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 Qatar 1,502 one-year-olds 2023 up 117.8% volatile
147 Montenegro 1,400 one-year-olds 2023 up 201.3% rising
148 Belize 1,015 one-year-olds 2023 up 182.0% volatile
149 Cuba 957.44 one-year-olds 2023 down 25.2% volatile
150 Samoa 938.4 one-year-olds 2023 down 0.8% volatile
151 Hungary 922.37 one-year-olds 2023 up 3.3% falling
152 Singapore 906.12 one-year-olds 2023 down 33.5% volatile
153 Albania 862.05 one-year-olds 2023 up 140.7% volatile
154 Oman 846.12 one-year-olds 2023 down 39.9% volatile
155 Portugal 824.42 one-year-olds 2023 down 55.7% volatile
156 Sao Tome and Principe 812.63 one-year-olds 2023 up 344.9% volatile
157 Cyprus 748.45 one-year-olds 2023 up 450.7% volatile
158 Trinidad and Tobago 658.36 one-year-olds 2023 down 56.6% volatile
159 Bahamas 564.59 one-year-olds 2023 up 257.2% volatile
160 Costa Rica 525.6 one-year-olds 2023 down 85.4% falling
161 Saint Lucia 525.46 one-year-olds 2023 up 2,399.8% volatile
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 Mauritius 488 one-year-olds 2023 up 69.6% volatile
166 Barbados 472.05 one-year-olds 2023 up 56.2% volatile
167 Cape Verde 446.74 one-year-olds 2023 down 34.0% volatile
168 Iceland 378.56 one-year-olds 2023 down 7.1% volatile
169 Latvia 337.5 one-year-olds 2023 down 70.9% volatile
170 Guyana 330.64 one-year-olds 2023 up 3.6% volatile
171 Jamaica 329.75 one-year-olds 2023 down 88.1% volatile
172 Kiribati 328 one-year-olds 2023 up 102.0% volatile
173 Dominica 318.12 one-year-olds 2023 up 1,019.8% volatile
174 Grenada 193.62 one-year-olds 2023 up 266.7% volatile
175 Bahrain 179.48 one-year-olds 2023 down 5.8% volatile
176 Marshall Islands 126.45 one-year-olds 2023 down 55.0% volatile
177 Maldives 118.6 one-year-olds 2023 up 60.4% volatile
178 Bhutan 97.99 one-year-olds 2023 down 74.0% volatile
180 Saint Vincent and the Grenadines 74.28 one-year-olds 2023 up 45.6% volatile
182 Brunei 62.76 one-year-olds 2023 down 6.7% volatile
183 Seychelles 54.12 one-year-olds 2023 up 68.0% volatile
184 Antigua and Barbuda 33.27 one-year-olds 2023 up 177.9% volatile
185 Cook Islands 26.32 one-year-olds 2023 up 330.1% volatile
186 Tonga 23.98 one-year-olds 2023 down 13.8% volatile
187 Saint Kitts and Nevis 22.36 one-year-olds 2023 up 12.4% volatile
188 San Marino 19.89 one-year-olds 2023 down 55.7% volatile
189 Tuvalu 13.14 one-year-olds 2023 down 52.4% volatile
190 Andorra 8.96 one-year-olds 2023 down 65.6% volatile
191 Palau 5.88 one-year-olds 2023 up 154.5% volatile
192 Monaco 3.51 one-year-olds 2023 up 3.8% flat
193 Nauru 3.09 one-year-olds 2023 down 93.3% 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 diphtheria, pertussis and tetanus
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, 7,906 data points, 1980–2023
Last refreshed

Number of one-year-olds who have not had three doses of the combined diphtheria, tetanus and pertussis vaccine in a given year.