Democratic Republic of Congo vs Nigeria: Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus
Democratic Republic of Congo
1.59 million one-year-olds
in 2023
Nigeria
2.25 million one-year-olds
in 2023
Democratic Republic of Congo rank
3rd
Nigeria rank
1st
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus over time
- Democratic Republic of Congo
- Nigeria
How they compare
Nigeria currently reports 2.25 million one-year-olds against 1.59 million one-year-olds in Democratic Republic of Congo, a difference of 654,480 one-year-olds.
That makes Nigeria's figure about 1.4 times Democratic Republic of Congo's.
Across all 40 years both countries report, Nigeria has been ahead every year.
Democratic Republic of Congo ranks 3rd and Nigeria ranks 1st of 194 countries.
Nigeria has averaged higher in every one of the 5 decades both report.
Head to head by decade
| Decade | Democratic Republic of Congo | Nigeria | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 812,075 one-year-olds | 2.47 million one-year-olds | 1.66 million one-year-olds | Nigeria |
| 1990s | 1.28 million one-year-olds | 2.67 million one-year-olds | 1.39 million one-year-olds | Nigeria |
| 2000s | 1.04 million one-year-olds | 3.28 million one-year-olds | 2.24 million one-year-olds | Nigeria |
| 2010s | 920,151 one-year-olds | 3.26 million one-year-olds | 2.34 million one-year-olds | Nigeria |
| 2020s | 1.34 million one-year-olds | 2.53 million one-year-olds | 1.19 million one-year-olds | Nigeria |
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, Democratic Republic of Congo or Nigeria?
- Nigeria, at 2.25 million one-year-olds against 1.59 million one-year-olds in Democratic Republic of Congo as of 2023.
- What is the difference in number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus between Democratic Republic of Congo and Nigeria?
- 654,480 one-year-olds, with Nigeria ahead.
- How many years of comparable data are there for Democratic Republic of Congo and Nigeria?
- 40 years are reported by both, from 1984 to 2023.
- How do Democratic Republic of Congo and Nigeria rank globally for number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus?
- Democratic Republic of Congo ranks 3rd and Nigeria ranks 1st 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.