Angola vs Vietnam: Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus
Angola
433,257 one-year-olds
in 2023
Vietnam
495,339 one-year-olds
in 2023
Angola rank
11th
Vietnam rank
10th
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus over time
- Angola
- Vietnam
How they compare
Vietnam currently reports 495,339 one-year-olds against 433,257 one-year-olds in Angola, a difference of 62,082 one-year-olds.
That makes Vietnam's figure about 1.1 times Angola's.
The two have swapped places 6 times across 41 shared years of data; in 1983 it was Vietnam ahead.
Angola ranks 11th and Vietnam ranks 10th of 194 countries.
Across the 5 decades both report, Angola averaged higher in 4 and Vietnam in 1.
Head to head by decade
| Decade | Angola | Vietnam | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 363,500 one-year-olds | 1.01 million one-year-olds | 645,922 one-year-olds | Vietnam |
| 1990s | 378,582 one-year-olds | 139,515 one-year-olds | 239,067 one-year-olds | Angola |
| 2000s | 411,572 one-year-olds | 94,849 one-year-olds | 316,722 one-year-olds | Angola |
| 2010s | 448,010 one-year-olds | 171,897 one-year-olds | 276,113 one-year-olds | Angola |
| 2020s | 511,570 one-year-olds | 241,218 one-year-olds | 270,351 one-year-olds | Angola |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus, Angola or Vietnam?
- Vietnam, at 495,339 one-year-olds against 433,257 one-year-olds in Angola as of 2023.
- What is the difference in number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus between Angola and Vietnam?
- 62,082 one-year-olds, with Vietnam ahead.
- How many years of comparable data are there for Angola and Vietnam?
- 41 years are reported by both, from 1983 to 2023.
- How do Angola and Vietnam rank globally for number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus?
- Angola ranks 11th and Vietnam ranks 10th of 194 countries.
- Where does this data come from?
- WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data, published as Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Number of one-year-olds who have not had three doses of the combined diphtheria, tetanus and pertussis vaccine in a given year.