How many years of comparable data are there for Gambia and Nigeria?

34 years are reported by both, from 1990 to 2023.

Where does this data come from?

Statizoid (derived), published as Adults (ages 15+) and children (0-14 years) living with HIV, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Gambia vs Nigeria: Adults (ages 15+) and children (0-14 years) living with HIV, per

Gambia

2.47 units per square kilometre

in 2023

Nigeria

2.2 units per square kilometre

in 2023

Gambia rank

16th

Nigeria rank

18th

Adults (ages 15+) and children (0-14 years) living with HIV, per over time

Gambia
Nigeria

How they compare

Gambia currently reports 2.47 units per square kilometre against 2.2 units per square kilometre in Nigeria, a difference of 0.27 units per square kilometre.

That makes Gambia's figure about 1.1 times Nigeria's.

The two have swapped places 1 time across 34 shared years of data; in 1990 it was Nigeria ahead.

Gambia ranks 16th and Nigeria ranks 18th of 152 countries.

Across the 4 decades both report, Gambia averaged higher in 2 and Nigeria in 2.

Head to head by decade

Decade	Gambia	Nigeria	Difference	Ahead
1990s	0.5158 units per square kilometre	1.17 units per square kilometre	0.6513 units per square kilometre	Nigeria
2000s	1.81 units per square kilometre	1.97 units per square kilometre	0.1571 units per square kilometre	Nigeria
2010s	2.5 units per square kilometre	2.18 units per square kilometre	0.315 units per square kilometre	Gambia
2020s	2.54 units per square kilometre	2.2 units per square kilometre	0.3485 units per square kilometre	Gambia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher adults (ages 15+) and children (0-14 years) living with hiv, per, Gambia or Nigeria?: Gambia, at 2.47 units per square kilometre against 2.2 units per square kilometre in Nigeria as of 2023.
What is the difference in adults (ages 15+) and children (0-14 years) living with hiv, per between Gambia and Nigeria?: 0.27 units per square kilometre, with Gambia ahead.
How many years of comparable data are there for Gambia and Nigeria?: 34 years are reported by both, from 1990 to 2023.
How do Gambia and Nigeria rank globally for adults (ages 15+) and children (0-14 years) living with hiv, per?: Gambia ranks 16th and Nigeria ranks 18th of 152 countries.
Where does this data come from?: Statizoid (derived), published as Adults (ages 15+) and children (0-14 years) living with HIV, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Gambia vs Nigeria: Adults (ages 15+) and children (0-14 years) living with HIV, per. Statizoid, drawing on Statizoid (derived). Retrieved 18 September 2026, from https://health.statizoid.com/compare/adults-ages-15-and-children-0-14-years-living-with-hiv-per-square-kilometre/gambia-the/nigeria/

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About this data

Indicator: Adults (ages 15+) and children (0-14 years) living with HIV, per square kilometre
Unit: units per square kilometre
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 153 places, 5,023 data points, 1990–2023
Last refreshed: 30 August 2026

Adults (ages 15+) and children (0-14 years) living with HIV divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.