What is the difference in adults (ages 15+) living with hiv between Tanzania, United Republic of and Zambia?

400,000, with Tanzania, United Republic of ahead.

How many years of comparable data are there for Tanzania, United Republic of and Zambia?

35 years are reported by both, from 1990 to 2024.

Where does this data come from?

UNAIDS estimates, published as Adults (ages 15+) living with HIV. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Tanzania, United Republic of vs Zambia: Adults (ages 15+) living with HIV

Tanzania, United Republic of

1.70 million

in 2024

Zambia

1.30 million

in 2024

Tanzania, United Republic of rank

4th

Zambia rank

6th

Adults (ages 15+) living with HIV over time

Tanzania, United Republic of
Zambia

How they compare

Tanzania, United Republic of currently reports 1.70 million against 1.30 million in Zambia, a difference of 400,000.

That makes Tanzania, United Republic of's figure about 1.3 times Zambia's.

Across all 35 years both countries report, Tanzania, United Republic of has been ahead every year.

Tanzania, United Republic of ranks 4th and Zambia ranks 6th of 151 countries.

Tanzania, United Republic of has averaged higher in every one of the 4 decades both report.

Head to head by decade

Decade	Tanzania, United Republic of	Zambia	Difference	Ahead
1990s	928,000	525,000	403,000	Tanzania, United Republic of
2000s	1.03 million	707,000	323,000	Tanzania, United Republic of
2010s	1.32 million	1.05 million	269,000	Tanzania, United Republic of
2020s	1.66 million	1.30 million	360,000	Tanzania, United Republic of

Averages of every year both report within each decade.

Frequently asked questions

Which has higher adults (ages 15+) living with hiv, Tanzania, United Republic of or Zambia?: Tanzania, United Republic of, at 1.70 million against 1.30 million in Zambia as of 2024.
What is the difference in adults (ages 15+) living with hiv between Tanzania, United Republic of and Zambia?: 400,000, with Tanzania, United Republic of ahead.
How many years of comparable data are there for Tanzania, United Republic of and Zambia?: 35 years are reported by both, from 1990 to 2024.
How do Tanzania, United Republic of and Zambia rank globally for adults (ages 15+) living with hiv?: Tanzania, United Republic of ranks 4th and Zambia ranks 6th of 151 countries.
Where does this data come from?: UNAIDS estimates, published as Adults (ages 15+) living with HIV. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Tanzania, United Republic of vs Zambia: Adults (ages 15+) living with HIV. Statizoid, drawing on UNAIDS estimates. Retrieved 12 September 2026, from https://health.statizoid.com/compare/adults-ages-15-living-with-hiv/tanzania/zambia/

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About this data

Indicator: Adults (ages 15+) living with HIV
Source: UNAIDS estimates
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 152 places, 5,267 data points, 1990–2024
Last refreshed: 03 September 2026

Adults living with HIV refers to the number of people ages 15-49 who are infected with HIV.