Samoa vs Tonga: Prevalence of underweight among adults, BMI < 18.5

Samoa
0.4
in 2022
Tonga
0.27
in 2022
Samoa rank
191st
Tonga rank
193rd

Prevalence of underweight among adults, BMI < 18.5 over time

  • Samoa
  • Tonga
00.20.40.6199020062022

How they compare

Samoa currently reports 0.4 against 0.27 in Tonga, a difference of 0.13.

That makes Samoa's figure about 1.5 times Tonga's.

Across all 33 years both countries report, Samoa has been ahead every year.

Samoa ranks 191st and Tonga ranks 193rd of 193 countries.

Samoa has averaged higher in every one of the 4 decades both report.

Head to head by decade

Decade Samoa Tonga Difference Ahead
1990s 0.485 0.44 0.045 Samoa
2000s 0.402 0.328 0.074 Samoa
2010s 0.383 0.274 0.109 Samoa
2020s 0.3933 0.2633 0.13 Samoa

Averages of every year both report within each decade.

Frequently asked questions

Which has higher prevalence of underweight among adults, bmi < 18.5, Samoa or Tonga?
Samoa, at 0.4 against 0.27 in Tonga as of 2022.
What is the difference in prevalence of underweight among adults, bmi < 18.5 between Samoa and Tonga?
0.13, with Samoa ahead.
How many years of comparable data are there for Samoa and Tonga?
33 years are reported by both, from 1990 to 2022.
How do Samoa and Tonga rank globally for prevalence of underweight among adults, bmi < 18.5?
Samoa ranks 191st and Tonga ranks 193rd of 193 countries.
Where does this data come from?
UNICEF, published as Prevalence of underweight among adults, BMI < 18.5 (Crude estimate). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Samoa vs Tonga: Prevalence of underweight among adults, BMI < 18.5. Statizoid, drawing on UNICEF. Retrieved 06 September 2026, from https://health.statizoid.com/compare/prevalence-of-underweight-among-adults-bmi-18-5-crude-estimate/samoa/tonga/

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About this data

Indicator
Prevalence of underweight among adults, BMI < 18.5 (Crude estimate)
Source
UNICEF
Licence
UNICEF Terms of Use (attribution required)
Coverage
349 places, 9,955 data points, 1990–2022
Last refreshed