Japan vs Korea: Population in urban agglomerations of more than 1 million, per square

Japan
222.95 units per square kilometre
in 2023
Korea
269.03 units per square kilometre
in 2023
Japan rank
7th
Korea rank
4th

Population in urban agglomerations of more than 1 million, per square over time

  • Japan
  • Korea
50100150200250196119922023

How they compare

Korea currently reports 269.03 units per square kilometre against 222.95 units per square kilometre in Japan, a difference of 46.08 units per square kilometre.

That makes Korea's figure about 1.2 times Japan's.

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

Japan ranks 7th and Korea ranks 4th of 121 countries.

Across the 7 decades both report, Japan averaged higher in 2 and Korea in 5.

Head to head by decade

Decade Japan Korea Difference Ahead
1960s 126.44 units per square kilometre 77.08 units per square kilometre 49.36 units per square kilometre Japan
1970s 162.35 units per square kilometre 134.81 units per square kilometre 27.54 units per square kilometre Japan
1980s 185.05 units per square kilometre 196.95 units per square kilometre 11.9 units per square kilometre Korea
1990s 202.6 units per square kilometre 240.4 units per square kilometre 37.79 units per square kilometre Korea
2000s 212.88 units per square kilometre 253.01 units per square kilometre 40.13 units per square kilometre Korea
2010s 222.65 units per square kilometre 261.15 units per square kilometre 38.5 units per square kilometre Korea
2020s 223.51 units per square kilometre 267.89 units per square kilometre 44.38 units per square kilometre Korea

Averages of every year both report within each decade.

Frequently asked questions

Which has higher population in urban agglomerations of more than 1 million, per square, Japan or Korea?
Korea, at 269.03 units per square kilometre against 222.95 units per square kilometre in Japan as of 2023.
What is the difference in population in urban agglomerations of more than 1 million, per square between Japan and Korea?
46.08 units per square kilometre, with Korea ahead.
How many years of comparable data are there for Japan and Korea?
63 years are reported by both, from 1961 to 2023.
How do Japan and Korea rank globally for population in urban agglomerations of more than 1 million, per square?
Japan ranks 7th and Korea ranks 4th of 121 countries.
Where does this data come from?
Statizoid (derived), published as Population in urban agglomerations of more than 1 million, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Japan vs Korea: Population in urban agglomerations of more than 1 million, per square. Statizoid, drawing on Statizoid (derived). Retrieved 13 September 2026, from https://urban.statizoid.com/compare/population-in-urban-agglomerations-of-more-than-1-million-per-square-kilometre/japan/korea-rep/

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About this data

Indicator
Population in urban agglomerations of more than 1 million, per square kilometre
Unit
units per square kilometre
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
121 places, 7,176 data points, 1961–2023
Last refreshed

Population in urban agglomerations of more than 1 million 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.