Brunei Darussalam vs Seychelles: Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus
Brunei Darussalam
62.76 one-year-olds
in 2023
Seychelles
54.12 one-year-olds
in 2023
Brunei Darussalam rank
182nd
Seychelles rank
183rd
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus over time
- Brunei Darussalam
- Seychelles
How they compare
Brunei Darussalam currently reports 62.76 one-year-olds against 54.12 one-year-olds in Seychelles, a difference of 8.64 one-year-olds.
That makes Brunei Darussalam's figure about 1.2 times Seychelles's.
The two have swapped places 3 times across 43 shared years of data; in 1981 it was Seychelles ahead.
Brunei Darussalam ranks 182nd and Seychelles ranks 183rd of 194 countries.
Across the 5 decades both report, Brunei Darussalam averaged higher in 4 and Seychelles in 1.
Head to head by decade
| Decade | Brunei Darussalam | Seychelles | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 606.09 one-year-olds | 319.64 one-year-olds | 286.45 one-year-olds | Brunei Darussalam |
| 1990s | 220.18 one-year-olds | 36.77 one-year-olds | 183.41 one-year-olds | Brunei Darussalam |
| 2000s | 245.39 one-year-olds | 20.26 one-year-olds | 225.14 one-year-olds | Brunei Darussalam |
| 2010s | 130.86 one-year-olds | 31.09 one-year-olds | 99.77 one-year-olds | Brunei Darussalam |
| 2020s | 63.07 one-year-olds | 65.94 one-year-olds | 2.87 one-year-olds | Seychelles |
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, Brunei Darussalam or Seychelles?
- Brunei Darussalam, at 62.76 one-year-olds against 54.12 one-year-olds in Seychelles as of 2023.
- What is the difference in number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus between Brunei Darussalam and Seychelles?
- 8.64 one-year-olds, with Brunei Darussalam ahead.
- How many years of comparable data are there for Brunei Darussalam and Seychelles?
- 43 years are reported by both, from 1981 to 2023.
- How do Brunei Darussalam and Seychelles rank globally for number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus?
- Brunei Darussalam ranks 182nd and Seychelles ranks 183rd 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.