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

74 years are reported by both, from 1950 to 2023.

Where does this data come from?

UN, World Population Prospects (2024) – processed by Our World in Data, published as Median age vs. births per woman. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Tanzania, United Republic of vs Zambia: Median age vs. births per woman

Tanzania, United Republic of

17.24 years

in 2023

Zambia

17.49 years

in 2023

Tanzania, United Republic of rank

223rd

Zambia rank

221st

Median age vs. births per woman over time

Tanzania, United Republic of
Zambia

How they compare

Zambia currently reports 17.49 years against 17.24 years in Tanzania, United Republic of, a difference of 0.25 years.

The two have swapped places 2 times across 74 shared years of data; in 1950 it was Zambia ahead.

Tanzania, United Republic of ranks 223rd and Zambia ranks 221st of 236 countries.

Across the 8 decades both report, Tanzania, United Republic of averaged higher in 6 and Zambia in 2.

Head to head by decade

Decade	Tanzania, United Republic of	Zambia	Difference	Ahead
1950s	16.19 years	16.23 years	0.0318 years	Zambia
1960s	16.21 years	15.54 years	0.6777 years	Tanzania, United Republic of
1970s	15.79 years	14.61 years	1.18 years	Tanzania, United Republic of
1980s	15.27 years	14.41 years	0.8536 years	Tanzania, United Republic of
1990s	16.02 years	14.71 years	1.31 years	Tanzania, United Republic of
2000s	16.29 years	15.17 years	1.13 years	Tanzania, United Republic of
2010s	16.41 years	16.11 years	0.2984 years	Tanzania, United Republic of
2020s	17.07 years	17.21 years	0.1313 years	Zambia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher median age vs. births per woman, Tanzania, United Republic of or Zambia?: Zambia, at 17.49 years against 17.24 years in Tanzania, United Republic of as of 2023.
What is the difference in median age vs. births per woman between Tanzania, United Republic of and Zambia?: 0.25 years, with Zambia ahead.
How many years of comparable data are there for Tanzania, United Republic of and Zambia?: 74 years are reported by both, from 1950 to 2023.
How do Tanzania, United Republic of and Zambia rank globally for median age vs. births per woman?: Tanzania, United Republic of ranks 223rd and Zambia ranks 221st of 236 countries.
Where does this data come from?: UN, World Population Prospects (2024) – processed by Our World in Data, published as Median age vs. births per woman. 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: Median age vs. births per woman. Statizoid, drawing on UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 03 September 2026, from https://population.statizoid.com/compare/median-age-vs-births-per-woman/tanzania/zambia/

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About this data

Indicator: Median age vs. births per woman
Unit: years
Source: UN, World Population Prospects (2024) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 236 places, 17,464 data points, 1950–2023
Last refreshed: 28 August 2026

Age that divides the population into two halves of equal size — half are younger and half are older.