What is the difference in number of new hiv infections between Tanzania, United Republic of and Zambia?

13,000 Cases, with Tanzania, United Republic of ahead.

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

25 years are reported by both, from 2000 to 2024.

Where does this data come from?

World Health Organization - Global Health Observatory (2026) – with minor processing by Our World in Data, published as Number of new HIV infections. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Tanzania, United Republic of vs Zambia: Number of new HIV infections

Tanzania, United Republic of

43,000 Cases

in 2024

Zambia

30,000 Cases

in 2024

Tanzania, United Republic of rank

5th

Zambia rank

8th

Number of new HIV infections over time

Tanzania, United Republic of
Zambia

How they compare

Tanzania, United Republic of currently reports 43,000 Cases against 30,000 Cases in Zambia, a difference of 13,000 Cases.

That makes Tanzania, United Republic of's figure about 1.4 times Zambia's.

Across all 25 years both countries report, Tanzania, United Republic of has been ahead every year.

Tanzania, United Republic of ranks 5th and Zambia ranks 8th of 142 countries.

Tanzania, United Republic of has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade	Tanzania, United Republic of	Zambia	Difference	Ahead
2000s	99,800 Cases	68,900 Cases	30,900 Cases	Tanzania, United Republic of
2010s	96,500 Cases	69,200 Cases	27,300 Cases	Tanzania, United Republic of
2020s	61,400 Cases	38,200 Cases	23,200 Cases	Tanzania, United Republic of

Averages of every year both report within each decade.

Frequently asked questions

Which has higher number of new hiv infections, Tanzania, United Republic of or Zambia?: Tanzania, United Republic of, at 43,000 Cases against 30,000 Cases in Zambia as of 2024.
What is the difference in number of new hiv infections between Tanzania, United Republic of and Zambia?: 13,000 Cases, with Tanzania, United Republic of ahead.
How many years of comparable data are there for Tanzania, United Republic of and Zambia?: 25 years are reported by both, from 2000 to 2024.
How do Tanzania, United Republic of and Zambia rank globally for number of new hiv infections?: Tanzania, United Republic of ranks 5th and Zambia ranks 8th of 142 countries.
Where does this data come from?: World Health Organization - Global Health Observatory (2026) – with minor processing by Our World in Data, published as Number of new HIV infections. 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: Number of new HIV infections. Statizoid, drawing on World Health Organization - Global Health Observatory (2026) – with minor processing by Our World in Data. Retrieved 16 September 2026, from https://health.statizoid.com/compare/number-of-new-hivaids-infections-who/tanzania/zambia/

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About this data

Indicator: Number of new HIV infections
Unit: Cases
Source: World Health Organization - Global Health Observatory (2026) – with minor processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 142 places, 3,513 data points, 2000–2024
Last refreshed: 28 August 2026

The estimated annual number of new HIV infections each year.