Which has higher median age vs. births per woman, Nauru or Tonga?

Tonga, at 20.7 years against 20.43 years in Nauru as of 2023.

How many years of comparable data are there for Nauru and Tonga?

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.

Nauru vs Tonga: Median age vs. births per woman

Nauru

20.43 years

in 2023

Tonga

20.7 years

in 2023

Nauru rank

190th

Tonga rank

189th

Median age vs. births per woman over time

Nauru
Tonga

How they compare

Tonga currently reports 20.7 years against 20.43 years in Nauru, a difference of 0.27 years.

The two have swapped places 3 times across 74 shared years of data; in 1950 it was Nauru ahead.

Nauru ranks 190th and Tonga ranks 189th of 236 countries.

Across the 8 decades both report, Nauru averaged higher in 6 and Tonga in 2.

Head to head by decade

Decade	Nauru	Tonga	Difference	Ahead
1950s	20.48 years	16.27 years	4.21 years	Nauru
1960s	21.87 years	15.88 years	5.99 years	Nauru
1970s	19.66 years	15.68 years	3.97 years	Nauru
1980s	22.45 years	16.97 years	5.47 years	Nauru
1990s	18.51 years	18.59 years	0.0806 years	Tonga
2000s	19.99 years	19.73 years	0.2587 years	Nauru
2010s	20.68 years	20.55 years	0.1252 years	Nauru
2020s	20.65 years	20.78 years	0.1272 years	Tonga

Averages of every year both report within each decade.

Frequently asked questions

Which has higher median age vs. births per woman, Nauru or Tonga?: Tonga, at 20.7 years against 20.43 years in Nauru as of 2023.
What is the difference in median age vs. births per woman between Nauru and Tonga?: 0.27 years, with Tonga ahead.
How many years of comparable data are there for Nauru and Tonga?: 74 years are reported by both, from 1950 to 2023.
How do Nauru and Tonga rank globally for median age vs. births per woman?: Nauru ranks 190th and Tonga ranks 189th 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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Nauru vs Tonga: Median age vs. births per woman. Statizoid, drawing on UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 29 August 2026, from https://population.statizoid.com/compare/median-age-vs-births-per-woman/naoero/tonga/

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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.