Japan vs Sri Lanka: Population regions with projections, per square kilometre

Japan
341.14 units per square kilometre
in 2023
Sri Lanka
371.35 units per square kilometre
in 2023
Japan rank
34th
Sri Lanka rank
31st

Population regions with projections, per square kilometre over time

  • Japan
  • Sri Lanka
0100200300400196119922023

How they compare

Sri Lanka currently reports 371.35 units per square kilometre against 341.14 units per square kilometre in Japan, a difference of 30.21 units per square kilometre.

That makes Sri Lanka's figure about 1.1 times Japan's.

The two have swapped places 1 time across 63 shared years of data; in 1961 it was Japan ahead.

Japan ranks 34th and Sri Lanka ranks 31st of 215 countries.

Across the 7 decades both report, Japan averaged higher in 6 and Sri Lanka in 1.

Head to head by decade

Decade Japan Sri Lanka Difference Ahead
1960s 275.62 units per square kilometre 174.35 units per square kilometre 101.27 units per square kilometre Japan
1970s 306.66 units per square kilometre 214.16 units per square kilometre 92.5 units per square kilometre Japan
1980s 330.36 units per square kilometre 248.1 units per square kilometre 82.26 units per square kilometre Japan
1990s 343.72 units per square kilometre 279.26 units per square kilometre 64.46 units per square kilometre Japan
2000s 350.51 units per square kilometre 320.82 units per square kilometre 29.69 units per square kilometre Japan
2010s 349.67 units per square kilometre 347.37 units per square kilometre 2.3 units per square kilometre Japan
2020s 343.85 units per square kilometre 368.04 units per square kilometre 24.2 units per square kilometre Sri Lanka

Averages of every year both report within each decade.

Frequently asked questions

Which has higher population regions with projections, per square kilometre, Japan or Sri Lanka?
Sri Lanka, at 371.35 units per square kilometre against 341.14 units per square kilometre in Japan as of 2023.
What is the difference in population regions with projections, per square kilometre between Japan and Sri Lanka?
30.21 units per square kilometre, with Sri Lanka ahead.
How many years of comparable data are there for Japan and Sri Lanka?
63 years are reported by both, from 1961 to 2023.
How do Japan and Sri Lanka rank globally for population regions with projections, per square kilometre?
Japan ranks 34th and Sri Lanka ranks 31st of 215 countries.
Where does this data come from?
Statizoid (derived), published as Population regions with projections, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Japan vs Sri Lanka: Population regions with projections, per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 27 August 2026, from https://population.statizoid.com/compare/population-regions-with-projections-per-square-kilometre/japan/sri-lanka/

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About this data

Indicator
Population regions with projections, per square kilometre
Unit
units per square kilometre
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
215 places, 12,288 data points, 1961–2023
Last refreshed

Population regions with projections 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.