Cook Islands vs Tonga: Prevalence rate of diabetes in adults
Cook Islands
27.5
in 2014
Tonga
24.2
in 2014
Cook Islands rank
2nd
Tonga rank
5th
Prevalence rate of diabetes in adults over time
- Cook Islands
- Tonga
How they compare
Cook Islands currently reports 27.5 against 24.2 in Tonga, a difference of 3.3.
That makes Cook Islands's figure about 1.1 times Tonga's.
Across all 35 years both countries report, Cook Islands has been ahead every year.
Cook Islands ranks 2nd and Tonga ranks 5th of 190 countries.
Cook Islands has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Cook Islands | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 14.22 | 10.51 | 3.71 | Cook Islands |
| 1990s | 20.13 | 15.04 | 5.09 | Cook Islands |
| 2000s | 24.8 | 19.84 | 4.96 | Cook Islands |
| 2010s | 27.04 | 23.26 | 3.78 | Cook Islands |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher prevalence rate of diabetes in adults, Cook Islands or Tonga?
- Cook Islands, at 27.5 against 24.2 in Tonga as of 2014.
- What is the difference in prevalence rate of diabetes in adults between Cook Islands and Tonga?
- 3.3, with Cook Islands ahead.
- How many years of comparable data are there for Cook Islands and Tonga?
- 35 years are reported by both, from 1980 to 2014.
- How do Cook Islands and Tonga rank globally for prevalence rate of diabetes in adults?
- Cook Islands ranks 2nd and Tonga ranks 5th of 190 countries.
- Where does this data come from?
- World Health Organization - Global Health Observatory (2026) β with minor processing by Our World in Data, published as Prevalence rate of diabetes in adults. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Estimated share of people with diabetes among those aged over 18, based on general population surveys and statistical modeling. Diabetes is a risk factor for chronic complications, including cardiovascular disease, and premature death.