Which has higher life expectancy, Japan or San Marino?

San Marino, at 85.71 years against 84.71 years in Japan as of 2023.

What is the difference in life expectancy between Japan and San Marino?

1 years, with San Marino ahead.

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?

Human Mortality Database (2025); UN, World Population Prospects (2024) – processed by Our World in Data, published as Life expectancy. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Japan vs San Marino: Life expectancy

Japan

84.71 years

in 2023

San Marino

85.71 years

in 2023

Japan rank

4th

San Marino rank

2nd

Life expectancy over time

Japan
San Marino

How they compare

San Marino currently reports 85.71 years against 84.71 years in Japan, a difference of 1 years.

The two have swapped places 6 times across 74 shared years of data; in 1950 it was San Marino ahead.

Japan ranks 4th and San Marino ranks 2nd of 236 countries.

Across the 8 decades both report, Japan averaged higher in 4 and San Marino in 4.

Head to head by decade

Decade	Japan	San Marino	Difference	Ahead
1950s	64.23 years	72.28 years	8.05 years	San Marino
1960s	70.1 years	73.71 years	3.61 years	San Marino
1970s	74.16 years	75.14 years	0.9808 years	San Marino
1980s	77.66 years	77.12 years	0.533 years	Japan
1990s	79.87 years	78.91 years	0.9672 years	Japan
2000s	82.1 years	81.82 years	0.2799 years	Japan
2010s	83.66 years	84.43 years	0.7708 years	San Marino
2020s	84.5 years	84.4 years	0.096 years	Japan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher life expectancy, Japan or San Marino?: San Marino, at 85.71 years against 84.71 years in Japan as of 2023.
What is the difference in life expectancy between Japan and San Marino?: 1 years, with San Marino 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 life expectancy?: Japan ranks 4th and San Marino ranks 2nd of 236 countries.
Where does this data come from?: Human Mortality Database (2025); UN, World Population Prospects (2024) – processed by Our World in Data, published as Life expectancy. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Japan vs San Marino: Life expectancy. Statizoid, drawing on Human Mortality Database (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 29 August 2026, from https://health.statizoid.com/compare/life-expectancy-hmd-unwpp/japan/san-marino/

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<a href="https://health.statizoid.com/compare/life-expectancy-hmd-unwpp/japan/san-marino/">Japan vs San Marino: Life expectancy</a> — Statizoid

About this data

Indicator: Life expectancy
Unit: years
Source: Human Mortality Database (2025); UN, World Population Prospects (2024) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 236 places, 18,722 data points, 1751–2023
Last refreshed: 28 August 2026

Period life expectancy at birth among totals, in a given year.