Tanzania, United Republic of vs Viet Nam: Number of one-year-olds who are not vaccinated against hepatitis B
Tanzania, United Republic of
375,596 one-year-olds
in 2023
Viet Nam
495,339 one-year-olds
in 2023
Tanzania, United Republic of rank
13th
Viet Nam rank
10th
Number of one-year-olds who are not vaccinated against hepatitis B over time
- Tanzania, United Republic of
- Viet Nam
How they compare
Viet Nam currently reports 495,339 one-year-olds against 375,596 one-year-olds in Tanzania, United Republic of, a difference of 119,743 one-year-olds.
That makes Viet Nam's figure about 1.3 times Tanzania, United Republic of's.
The two have swapped places 10 times across 21 shared years of data; in 2003 it was Viet Nam ahead.
Tanzania, United Republic of ranks 13th and Viet Nam ranks 10th of 189 countries.
Across the 3 decades both report, Tanzania, United Republic of averaged higher in 1 and Viet Nam in 2.
Head to head by decade
| Decade | Tanzania, United Republic of | Viet Nam | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 163,130 one-year-olds | 188,328 one-year-olds | 25,198 one-year-olds | Viet Nam |
| 2010s | 145,744 one-year-olds | 179,466 one-year-olds | 33,721 one-year-olds | Viet Nam |
| 2020s | 285,494 one-year-olds | 241,218 one-year-olds | 44,276 one-year-olds | Tanzania, United Republic of |
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, Tanzania, United Republic of or Viet Nam?
- Viet Nam, at 495,339 one-year-olds against 375,596 one-year-olds in Tanzania, United Republic of as of 2023.
- What is the difference in number of one-year-olds who are not vaccinated against hepatitis b between Tanzania, United Republic of and Viet Nam?
- 119,743 one-year-olds, with Viet Nam ahead.
- How many years of comparable data are there for Tanzania, United Republic of and Viet Nam?
- 21 years are reported by both, from 2003 to 2023.
- How do Tanzania, United Republic of and Viet Nam rank globally for number of one-year-olds who are not vaccinated against hepatitis b?
- Tanzania, United Republic of ranks 13th and Viet Nam ranks 10th 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.