Which has higher prevalence of overweight, Guinea-Bissau or Tanzania?

Tanzania, at 32.2% against 32.1% in Guinea-Bissau as of 2022.

How many years of comparable data are there for Guinea-Bissau and Tanzania?

33 years are reported by both, from 1990 to 2022.

Where does this data come from?

World Health Organization, Global Health Observatory Data Repository (http://apps.who.int/ghodata/), published as Prevalence of overweight (% of adults). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Guinea-Bissau vs Tanzania: Prevalence of overweight

Guinea-Bissau

32.1%

in 2022

Tanzania

32.2%

in 2022

Guinea-Bissau rank

163rd

Tanzania rank

162nd

Prevalence of overweight over time

Guinea-Bissau
Tanzania

How they compare

Tanzania currently reports 32.2% against 32.1% in Guinea-Bissau, a difference of 0.1%.

The two have swapped places 2 times across 33 shared years of data; in 1990 it was Tanzania ahead.

Guinea-Bissau ranks 163rd and Tanzania ranks 162nd of 196 countries.

Across the 4 decades both report, Guinea-Bissau averaged higher in 3 and Tanzania in 1.

Head to head by decade

Decade	Guinea-Bissau	Tanzania	Difference	Ahead
1990s	12.7%	13.0%	0.3%	Tanzania
2000s	20.4%	18.9%	1.5%	Guinea-Bissau
2010s	27.3%	26.1%	1.2%	Guinea-Bissau
2020s	31.4%	31.4%	0.1%	Guinea-Bissau

Averages of every year both report within each decade.

Frequently asked questions

Which has higher prevalence of overweight, Guinea-Bissau or Tanzania?: Tanzania, at 32.2% against 32.1% in Guinea-Bissau as of 2022.
What is the difference in prevalence of overweight between Guinea-Bissau and Tanzania?: 0.1%, with Tanzania ahead.
How many years of comparable data are there for Guinea-Bissau and Tanzania?: 33 years are reported by both, from 1990 to 2022.
How do Guinea-Bissau and Tanzania rank globally for prevalence of overweight?: Guinea-Bissau ranks 163rd and Tanzania ranks 162nd of 196 countries.
Where does this data come from?: World Health Organization, Global Health Observatory Data Repository (http://apps.who.int/ghodata/), published as Prevalence of overweight (% of adults). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Guinea-Bissau vs Tanzania: Prevalence of overweight. Statizoid, drawing on World Health Organization, Global Health Observatory Data Repository (http://apps.who.int/ghodata/). Retrieved 18 September 2026, from https://health.statizoid.com/compare/prevalence-of-overweight-percent-of-adults/guinea-bissau/tanzania/

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About this data

Indicator: Prevalence of overweight (% of adults)
Unit: % of adults
Source: World Health Organization, Global Health Observatory Data Repository (http://apps.who.int/ghodata/)
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 239 places, 7,896 data points, 1975–2022
Last refreshed: 17 September 2026

Prevalence of overweight adults is the percentage of adults ages 18 and over whose Body Mass Index (BMI) is more than 25 kg/m2. Body Mass Index (BMI) is a simple index of weight-for-height, or the weight in kilograms divided by the square of the height in meters.