Guinea-Bissau vs Samoa: Share of one-year-olds vaccinated against diphtheria, tetanus
Guinea-Bissau
84.0%
in 2025
Samoa
84.0%
in 2025
Guinea-Bissau rank
133rd
Samoa rank
133rd
Share of one-year-olds vaccinated against diphtheria, tetanus over time
- Guinea-Bissau
- Samoa
How they compare
Guinea-Bissau currently reports 84.0% against 84.0% in Samoa, a difference of 0.0%.
The two have swapped places 4 times across 43 shared years of data; in 1983 it was Samoa ahead.
Guinea-Bissau ranks 133rd and Samoa ranks 133rd of 195 countries.
Across the 5 decades both report, Guinea-Bissau averaged higher in 2 and Samoa in 3.
Head to head by decade
| Decade | Guinea-Bissau | Samoa | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 38.1% | 88.1% | 50.0% | Samoa |
| 1990s | 58.8% | 92.6% | 33.8% | Samoa |
| 2000s | 65.3% | 71.0% | 5.7% | Samoa |
| 2010s | 84.8% | 73.7% | 11.1% | Guinea-Bissau |
| 2020s | 84.7% | 83.7% | 1.0% | Guinea-Bissau |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of one-year-olds vaccinated against diphtheria, tetanus and pertussis, Guinea-Bissau or Samoa?
- Guinea-Bissau, at 84.0% against 84.0% in Samoa as of 2025.
- What is the difference in share of one-year-olds vaccinated against diphtheria, tetanus and pertussis between Guinea-Bissau and Samoa?
- 0.0%, with Guinea-Bissau ahead.
- How many years of comparable data are there for Guinea-Bissau and Samoa?
- 43 years are reported by both, from 1983 to 2025.
- How do Guinea-Bissau and Samoa rank globally for share of one-year-olds vaccinated against diphtheria, tetanus and pertussis?
- Guinea-Bissau ranks 133rd and Samoa ranks 133rd of 195 countries.
- Where does this data come from?
- WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data, published as Share of one-year-olds vaccinated against diphtheria, tetanus and pertussis. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Share of one-year-olds who have had three doses of the combined diphtheria, tetanus and pertussis vaccine in a given year.