Samoa vs Tonga: Mean body mass index (BMI) in women
Samoa
34.1
in 2016
Tonga
33.7
in 2016
Samoa rank
1st
Tonga rank
2nd
Mean body mass index (BMI) in women over time
- Samoa
- Tonga
How they compare
Samoa currently reports 34.1 against 33.7 in Tonga, a difference of 0.4.
The two have swapped places 1 time across 42 shared years of data; in 1975 it was Tonga ahead.
Samoa ranks 1st and Tonga ranks 2nd of 190 countries.
Across the 5 decades both report, Samoa averaged higher in 1 and Tonga in 4.
Head to head by decade
| Decade | Samoa | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 27.9 | 29.08 | 1.18 | Tonga |
| 1980s | 29.36 | 30.36 | 1 | Tonga |
| 1990s | 31.09 | 31.83 | 0.74 | Tonga |
| 2000s | 32.58 | 32.87 | 0.29 | Tonga |
| 2010s | 33.67 | 33.51 | 0.1571 | Samoa |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher mean body mass index (bmi) in women, Samoa or Tonga?
- Samoa, at 34.1 against 33.7 in Tonga as of 2016.
- What is the difference in mean body mass index (bmi) in women between Samoa and Tonga?
- 0.4, with Samoa ahead.
- How many years of comparable data are there for Samoa and Tonga?
- 42 years are reported by both, from 1975 to 2016.
- How do Samoa and Tonga rank globally for mean body mass index (bmi) in women?
- Samoa ranks 1st and Tonga ranks 2nd 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 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'.