China vs Tanzania, United Republic of: Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus
China
395,590 one-year-olds
in 2023
Tanzania, United Republic of
375,596 one-year-olds
in 2023
China rank
12th
Tanzania, United Republic of rank
13th
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus over time
- China
- Tanzania, United Republic of
How they compare
China currently reports 395,590 one-year-olds against 375,596 one-year-olds in Tanzania, United Republic of, a difference of 19,994 one-year-olds.
That makes China's figure about 1.1 times Tanzania, United Republic of's.
The two have swapped places 4 times across 41 shared years of data; in 1983 it was China ahead.
China ranks 12th and Tanzania, United Republic of ranks 13th of 194 countries.
Across the 5 decades both report, China averaged higher in 4 and Tanzania, United Republic of in 1.
Head to head by decade
| Decade | China | Tanzania, United Republic of | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 4.78 million one-year-olds | 262,030 one-year-olds | 4.52 million one-year-olds | China |
| 1990s | 2.52 million one-year-olds | 209,259 one-year-olds | 2.31 million one-year-olds | China |
| 2000s | 1.65 million one-year-olds | 171,315 one-year-olds | 1.48 million one-year-olds | China |
| 2010s | 178,709 one-year-olds | 145,744 one-year-olds | 32,964 one-year-olds | China |
| 2020s | 196,601 one-year-olds | 285,494 one-year-olds | 88,893 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 diphtheria, pertussis and tetanus, China or Tanzania, United Republic of?
- China, at 395,590 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 diphtheria, pertussis and tetanus between China and Tanzania, United Republic of?
- 19,994 one-year-olds, with China ahead.
- How many years of comparable data are there for China and Tanzania, United Republic of?
- 41 years are reported by both, from 1983 to 2023.
- How do China and Tanzania, United Republic of rank globally for number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus?
- China ranks 12th and Tanzania, United Republic of ranks 13th 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.