How many years of comparable data are there for Japan and Puerto Rico?

63 years are reported by both, from 1961 to 2023.

Where does this data come from?

Statizoid (derived), published as Population - Est. & Proj. — Total Population - Male, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Japan vs Puerto Rico: Population - Est. & Proj. — Total Population - Male, per square

Japan

0.1665 1000 No per square kilometre

in 2023

Puerto Rico

0.1722 1000 No per square kilometre

in 2023

Japan rank

31st

Puerto Rico rank

29th

Population - Est. & Proj. — Total Population - Male, per square over time

Japan
Puerto Rico

How they compare

Puerto Rico currently reports 0.1722 1000 No per square kilometre against 0.1665 1000 No per square kilometre in Japan, a difference of 0.0057 1000 No per square kilometre.

Across all 63 years both countries report, Puerto Rico has been ahead every year.

Japan ranks 31st and Puerto Rico ranks 29th of 191 countries.

Puerto Rico has averaged higher in every one of the 7 decades both report.

Head to head by decade

Decade	Japan	Puerto Rico	Difference	Ahead
1960s	0.1345 1000 No per square kilometre	0.1416 1000 No per square kilometre	0.0071 1000 No per square kilometre	Puerto Rico
1970s	0.1511 1000 No per square kilometre	0.162 1000 No per square kilometre	0.0109 1000 No per square kilometre	Puerto Rico
1980s	0.1631 1000 No per square kilometre	0.1847 1000 No per square kilometre	0.0216 1000 No per square kilometre	Puerto Rico
1990s	0.1694 1000 No per square kilometre	0.2001 1000 No per square kilometre	0.0307 1000 No per square kilometre	Puerto Rico
2000s	0.172 1000 No per square kilometre	0.2051 1000 No per square kilometre	0.0331 1000 No per square kilometre	Puerto Rico
2010s	0.1709 1000 No per square kilometre	0.1889 1000 No per square kilometre	0.018 1000 No per square kilometre	Puerto Rico
2020s	0.1679 1000 No per square kilometre	0.173 1000 No per square kilometre	0.0051 1000 No per square kilometre	Puerto Rico

Averages of every year both report within each decade.

Frequently asked questions

Which has higher population - est. & proj. — total population - male, per square, Japan or Puerto Rico?: Puerto Rico, at 0.1722 1000 No per square kilometre against 0.1665 1000 No per square kilometre in Japan as of 2023.
What is the difference in population - est. & proj. — total population - male, per square between Japan and Puerto Rico?: 0.0057 1000 No per square kilometre, with Puerto Rico ahead.
How many years of comparable data are there for Japan and Puerto Rico?: 63 years are reported by both, from 1961 to 2023.
How do Japan and Puerto Rico rank globally for population - est. & proj. — total population - male, per square?: Japan ranks 31st and Puerto Rico ranks 29th of 191 countries.
Where does this data come from?: Statizoid (derived), published as Population - Est. & Proj. — Total Population - Male, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Japan vs Puerto Rico: Population - Est. & Proj. — Total Population - Male, per square. Statizoid, drawing on Statizoid (derived). Retrieved 09 September 2026, from https://labour.statizoid.com/compare/population-est-and-proj-total-population-male-per-square-kilometre/japan/puerto-rico-us/

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<a href="https://labour.statizoid.com/compare/population-est-and-proj-total-population-male-per-square-kilometre/japan/puerto-rico-us/">Japan vs Puerto Rico: Population - Est. & Proj. — Total Population - Male, per square</a> — Statizoid

About this data

Indicator: Population - Est. & Proj. — Total Population - Male, per square kilometre
Unit: 1000 No per square kilometre
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 192 places, 10,981 data points, 1961–2023
Last refreshed: 19 August 2026

Population - Est. & Proj. — Total Population - Male divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.