Costa Rica vs Singapore: Number of one-year-olds who are not vaccinated against hepatitis B
Costa Rica
1,051 one-year-olds
in 2023
Singapore
1,359 one-year-olds
in 2023
Costa Rica rank
146th
Singapore rank
145th
Number of one-year-olds who are not vaccinated against hepatitis B over time
- Costa Rica
- Singapore
How they compare
Singapore currently reports 1,359 one-year-olds against 1,051 one-year-olds in Costa Rica, a difference of 308 one-year-olds.
That makes Singapore's figure about 1.3 times Costa Rica's.
The two have swapped places 3 times across 27 shared years of data; in 1997 it was Costa Rica ahead.
Costa Rica ranks 146th and Singapore ranks 145th of 189 countries.
Costa Rica has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Costa Rica | Singapore | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 14,626 one-year-olds | 1,849 one-year-olds | 12,777 one-year-olds | Costa Rica |
| 2000s | 8,892 one-year-olds | 1,962 one-year-olds | 6,931 one-year-olds | Costa Rica |
| 2010s | 5,178 one-year-olds | 1,664 one-year-olds | 3,513 one-year-olds | Costa Rica |
| 2020s | 4,494 one-year-olds | 1,478 one-year-olds | 3,016 one-year-olds | Costa Rica |
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 hepatitis b, Costa Rica or Singapore?
- Singapore, at 1,359 one-year-olds against 1,051 one-year-olds in Costa Rica as of 2023.
- What is the difference in number of one-year-olds who are not vaccinated against hepatitis b between Costa Rica and Singapore?
- 308 one-year-olds, with Singapore ahead.
- How many years of comparable data are there for Costa Rica and Singapore?
- 27 years are reported by both, from 1997 to 2023.
- How do Costa Rica and Singapore rank globally for number of one-year-olds who are not vaccinated against hepatitis b?
- Costa Rica ranks 146th and Singapore ranks 145th of 189 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 hepatitis B. 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 hepatitis B vaccine in a given year.