What is the difference in median age vs. births per woman between Sao Tome and Principe and Sierra Leone?

0.22 years, with Sierra Leone ahead.

How many years of comparable data are there for Sao Tome and Principe and Sierra Leone?

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.

Sao Tome and Principe vs Sierra Leone: Median age vs. births per woman

Sao Tome and Principe

19.05 years

in 2023

Sierra Leone

19.27 years

in 2023

Sao Tome and Principe rank

202nd

Sierra Leone rank

200th

Median age vs. births per woman over time

Sao Tome and Principe
Sierra Leone

How they compare

Sierra Leone currently reports 19.27 years against 19.05 years in Sao Tome and Principe, a difference of 0.22 years.

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

Sao Tome and Principe ranks 202nd and Sierra Leone ranks 200th of 236 countries.

Across the 8 decades both report, Sao Tome and Principe averaged higher in 4 and Sierra Leone in 4.

Head to head by decade

Decade	Sao Tome and Principe	Sierra Leone	Difference	Ahead
1950s	23.21 years	19.81 years	3.4 years	Sao Tome and Principe
1960s	20.3 years	19.88 years	0.4164 years	Sao Tome and Principe
1970s	15.95 years	18.71 years	2.76 years	Sierra Leone
1980s	16.31 years	17.76 years	1.45 years	Sierra Leone
1990s	16.21 years	17.18 years	0.9687 years	Sierra Leone
2000s	17.35 years	16.9 years	0.4526 years	Sao Tome and Principe
2010s	17.94 years	17.66 years	0.2821 years	Sao Tome and Principe
2020s	18.77 years	18.93 years	0.1608 years	Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher median age vs. births per woman, Sao Tome and Principe or Sierra Leone?: Sierra Leone, at 19.27 years against 19.05 years in Sao Tome and Principe as of 2023.
What is the difference in median age vs. births per woman between Sao Tome and Principe and Sierra Leone?: 0.22 years, with Sierra Leone ahead.
How many years of comparable data are there for Sao Tome and Principe and Sierra Leone?: 74 years are reported by both, from 1950 to 2023.
How do Sao Tome and Principe and Sierra Leone rank globally for median age vs. births per woman?: Sao Tome and Principe ranks 202nd and Sierra Leone ranks 200th 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.

Individual pages

Share, cite or embed this page

Cite this page

Sao Tome and Principe vs Sierra Leone: Median age vs. births per woman. Statizoid, drawing on UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 08 September 2026, from https://population.statizoid.com/compare/median-age-vs-births-per-woman/sao-tome-and-principe/sierra-leone/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (Our World in Data); please keep the attribution.

<a href="https://population.statizoid.com/compare/median-age-vs-births-per-woman/sao-tome-and-principe/sierra-leone/">Sao Tome and Principe vs Sierra Leone: Median age vs. births per woman</a> — Statizoid

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.