Chad vs Tonga: Number of one-year-olds who are not vaccinated against diphtheria
Chad
0.6357 % change on previous year
in 2023
Tonga
0.5872 % change on previous year
in 2023
Chad rank
79th
Tonga rank
80th
Number of one-year-olds who are not vaccinated against diphtheria over time
- Chad
- Tonga
How they compare
Chad currently reports 0.6357 % change on previous year against 0.5872 % change on previous year in Tonga, a difference of 0.0485 % change on previous year.
That makes Chad's figure about 1.1 times Tonga's.
The two have swapped places 27 times across 40 shared years of data; in 1984 it was Tonga ahead.
Chad ranks 79th and Tonga ranks 80th of 194 countries.
Across the 5 decades both report, Chad averaged higher in 1 and Tonga in 4.
Head to head by decade
| Decade | Chad | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 1.16 % change on previous year | 125.1 % change on previous year | 123.95 % change on previous year | Tonga |
| 1990s | 0.4376 % change on previous year | 70.03 % change on previous year | 69.59 % change on previous year | Tonga |
| 2000s | 7.39 % change on previous year | -6.05 % change on previous year | 13.43 % change on previous year | Chad |
| 2010s | -1.48 % change on previous year | 42.99 % change on previous year | 44.47 % change on previous year | Tonga |
| 2020s | -5.59 % change on previous year | -0.3538 % change on previous year | 5.23 % change on previous year | Tonga |
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, Chad or Tonga?
- Chad, at 0.6357 % change on previous year against 0.5872 % change on previous year in Tonga as of 2023.
- What is the difference in number of one-year-olds who are not vaccinated against diphtheria between Chad and Tonga?
- 0.0485 % change on previous year, with Chad ahead.
- How many years of comparable data are there for Chad and Tonga?
- 40 years are reported by both, from 1984 to 2023.
- How do Chad and Tonga rank globally for number of one-year-olds who are not vaccinated against diphtheria?
- Chad ranks 79th and Tonga ranks 80th of 194 countries.
- Where does this data come from?
- Statizoid (derived), published as Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus, annual growth rate. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
The year-on-year percentage change in Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.