How many years of comparable data are there for Tanzania 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+) and children (0-14 years) living with HIV. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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

Tanzania

1.80 million

in 2024

Zambia

1.40 million

in 2024

Tanzania rank

4th

Zambia rank

6th

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

Tanzania
Zambia

How they compare

Tanzania currently reports 1.80 million against 1.40 million in Zambia, a difference of 400,000.

That makes Tanzania's figure about 1.3 times Zambia's.

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

Tanzania ranks 4th and Zambia ranks 6th of 152 countries.

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

Head to head by decade

Decade	Tanzania	Zambia	Difference	Ahead
1990s	1.02 million	590,000	429,000	Tanzania
2000s	1.20 million	817,000	383,000	Tanzania
2010s	1.43 million	1.14 million	288,000	Tanzania
2020s	1.74 million	1.40 million	340,000	Tanzania

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, Tanzania or Zambia?: Tanzania, at 1.80 million against 1.40 million in Zambia as of 2024.
What is the difference in adults (ages 15+) and children (0-14 years) living with hiv between Tanzania and Zambia?: 400,000, with Tanzania ahead.
How many years of comparable data are there for Tanzania and Zambia?: 35 years are reported by both, from 1990 to 2024.
How do Tanzania and Zambia rank globally for adults (ages 15+) and children (0-14 years) living with hiv?: Tanzania ranks 4th and Zambia ranks 6th of 152 countries.
Where does this data come from?: UNAIDS estimates, published as Adults (ages 15+) and children (0-14 years) living with HIV. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Tanzania vs Zambia: Adults (ages 15+) and children (0-14 years) living with HIV. Statizoid, drawing on UNAIDS estimates. Retrieved 17 September 2026, from https://health.statizoid.com/compare/adults-ages-15-and-children-0-14-years-living-with-hiv/tanzania/zambia/

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<a href="https://health.statizoid.com/compare/adults-ages-15-and-children-0-14-years-living-with-hiv/tanzania/zambia/">Tanzania vs Zambia: Adults (ages 15+) and children (0-14 years) living with HIV</a> — Statizoid

About this data

Indicator: Adults (ages 15+) and children (0-14 years) living with HIV
Source: UNAIDS estimates
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 153 places, 5,302 data points, 1990–2024
Last refreshed: 17 September 2026

Adults and children living with HIV refers to the number of people ages 0-49 (adult ages 15-49 and children ages 0-14) who are infected with HIV.