Nauru vs Tonga: Mean body mass index (BMI) in women
Nauru
32.7
in 2016
Tonga
33.7
in 2016
Nauru rank
5th
Tonga rank
2nd
Mean body mass index (BMI) in women over time
- Nauru
- Tonga
How they compare
Tonga currently reports 33.7 against 32.7 in Nauru, a difference of 1.
The two have swapped places 1 time across 42 shared years of data; in 1975 it was Nauru ahead.
Nauru ranks 5th and Tonga ranks 2nd of 190 countries.
Across the 5 decades both report, Nauru averaged higher in 4 and Tonga in 1.
Head to head by decade
| Decade | Nauru | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 33.74 | 29.08 | 4.66 | Nauru |
| 1980s | 34 | 30.36 | 3.64 | Nauru |
| 1990s | 34.03 | 31.83 | 2.2 | Nauru |
| 2000s | 33.55 | 32.87 | 0.68 | Nauru |
| 2010s | 32.96 | 33.51 | 0.5571 | Tonga |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher mean body mass index (bmi) in women, Nauru or Tonga?
- Tonga, at 33.7 against 32.7 in Nauru as of 2016.
- What is the difference in mean body mass index (bmi) in women between Nauru and Tonga?
- 1, with Tonga ahead.
- How many years of comparable data are there for Nauru and Tonga?
- 42 years are reported by both, from 1975 to 2016.
- How do Nauru and Tonga rank globally for mean body mass index (bmi) in women?
- Nauru ranks 5th and Tonga ranks 2nd of 190 countries.
- Where does this data come from?
- World Health Organization – Global Health Observatory (2026) – with minor processing by Our World in Data, published as Mean body mass index (BMI) in women. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Body mass index (BMI) is measured as a person's weight in kilograms (kg) divided by her height (in meters), squared. The WHO define a BMI <=18.5 as 'underweight'; 18.5 to <25 as 'normal/healthy'; 25.0 to <30 as 'overweight'; and >30.0 as 'obese'.