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

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.

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

Nigeria

2.2 units per square kilometre

in 2023

Zambia

1.88 units per square kilometre

in 2023

Nigeria rank

18th

Zambia rank

21st

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

Nigeria
Zambia

How they compare

Nigeria currently reports 2.2 units per square kilometre against 1.88 units per square kilometre in Zambia, a difference of 0.32 units per square kilometre.

That makes Nigeria's figure about 1.2 times Zambia's.

Across all 34 years both countries report, Nigeria has been ahead every year.

Nigeria ranks 18th and Zambia ranks 21st of 152 countries.

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

Head to head by decade

Decade	Nigeria	Zambia	Difference	Ahead
1990s	1.17 units per square kilometre	0.7937 units per square kilometre	0.3735 units per square kilometre	Nigeria
2000s	1.97 units per square kilometre	1.1 units per square kilometre	0.8664 units per square kilometre	Nigeria
2010s	2.18 units per square kilometre	1.54 units per square kilometre	0.6488 units per square kilometre	Nigeria
2020s	2.2 units per square kilometre	1.88 units per square kilometre	0.3127 units per square kilometre	Nigeria

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, Nigeria or Zambia?: Nigeria, at 2.2 units per square kilometre against 1.88 units per square kilometre in Zambia as of 2023.
What is the difference in adults (ages 15+) and children (0-14 years) living with hiv, per between Nigeria and Zambia?: 0.32 units per square kilometre, with Nigeria ahead.
How many years of comparable data are there for Nigeria and Zambia?: 34 years are reported by both, from 1990 to 2023.
How do Nigeria and Zambia rank globally for adults (ages 15+) and children (0-14 years) living with hiv, per?: Nigeria ranks 18th and Zambia ranks 21st 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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Nigeria vs Zambia: Adults (ages 15+) and children (0-14 years) living with HIV, per. Statizoid, drawing on Statizoid (derived). Retrieved 17 September 2026, from https://health.statizoid.com/compare/adults-ages-15-and-children-0-14-years-living-with-hiv-per-square-kilometre/nigeria/zambia/

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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.