Which has higher median age vs. births per woman, Japan or San Marino?

Japan, at 48.96 years against 47.39 years in San Marino as of 2023.

How many years of comparable data are there for Japan and San Marino?

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.

Japan vs San Marino: Median age vs. births per woman

Japan

48.96 years

in 2023

San Marino

47.39 years

in 2023

Japan rank

4th

San Marino rank

7th

Median age vs. births per woman over time

Japan
San Marino

How they compare

Japan currently reports 48.96 years against 47.39 years in San Marino, a difference of 1.57 years.

The two have swapped places 1 time across 74 shared years of data; in 1950 it was San Marino ahead.

Japan ranks 4th and San Marino ranks 7th of 236 countries.

Across the 8 decades both report, Japan averaged higher in 5 and San Marino in 3.

Head to head by decade

Decade	Japan	San Marino	Difference	Ahead
1950s	22.65 years	30.41 years	7.75 years	San Marino
1960s	26.36 years	29.88 years	3.52 years	San Marino
1970s	29.59 years	30.46 years	0.8681 years	San Marino
1980s	34.14 years	33.07 years	1.07 years	Japan
1990s	38.73 years	36.09 years	2.64 years	Japan
2000s	42.34 years	39.25 years	3.09 years	Japan
2010s	45.69 years	43.31 years	2.37 years	Japan
2020s	48.33 years	46.58 years	1.75 years	Japan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher median age vs. births per woman, Japan or San Marino?: Japan, at 48.96 years against 47.39 years in San Marino as of 2023.
What is the difference in median age vs. births per woman between Japan and San Marino?: 1.57 years, with Japan ahead.
How many years of comparable data are there for Japan and San Marino?: 74 years are reported by both, from 1950 to 2023.
How do Japan and San Marino rank globally for median age vs. births per woman?: Japan ranks 4th and San Marino ranks 7th 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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Japan vs San Marino: Median age vs. births per woman. Statizoid, drawing on UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 02 September 2026, from https://population.statizoid.com/compare/median-age-vs-births-per-woman/japan/san-marino/

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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.