What is the difference in 25_sdr holdings, per square kilometre between Japan and United Kingdom?

10,296 units per square kilometre, with United Kingdom ahead.

How many years of comparable data are there for Japan and United Kingdom?

34 years are reported by both, from 1990 to 2023.

Where does this data come from?

Statizoid (derived), published as 25_SDR holdings, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Japan vs United Kingdom: 25_SDR holdings, per square kilometre

Japan

160,182 units per square kilometre

in 2023

United Kingdom

170,478 units per square kilometre

in 2023

Japan rank

16th

United Kingdom rank

14th

25_SDR holdings, per square kilometre over time

Japan
United Kingdom

How they compare

United Kingdom currently reports 170,478 units per square kilometre against 160,182 units per square kilometre in Japan, a difference of 10,296 units per square kilometre.

That makes United Kingdom's figure about 1.1 times Japan's.

The two have swapped places 5 times across 34 shared years of data; in 1990 it was Japan ahead.

Japan ranks 16th and United Kingdom ranks 14th of 188 countries.

Across the 4 decades both report, Japan averaged higher in 2 and United Kingdom in 2.

Head to head by decade

Decade	Japan	United Kingdom	Difference	Ahead
1990s	6,525 units per square kilometre	2,830 units per square kilometre	3,695 units per square kilometre	Japan
2000s	7,342 units per square kilometre	1,475 units per square kilometre	5,867 units per square kilometre	Japan
2010s	52,994 units per square kilometre	54,596 units per square kilometre	1,602 units per square kilometre	United Kingdom
2020s	109,076 units per square kilometre	113,878 units per square kilometre	4,802 units per square kilometre	United Kingdom

Averages of every year both report within each decade.

Frequently asked questions

Which has higher 25_sdr holdings, per square kilometre, Japan or United Kingdom?: United Kingdom, at 170,478 units per square kilometre against 160,182 units per square kilometre in Japan as of 2023.
What is the difference in 25_sdr holdings, per square kilometre between Japan and United Kingdom?: 10,296 units per square kilometre, with United Kingdom ahead.
How many years of comparable data are there for Japan and United Kingdom?: 34 years are reported by both, from 1990 to 2023.
How do Japan and United Kingdom rank globally for 25_sdr holdings, per square kilometre?: Japan ranks 16th and United Kingdom ranks 14th of 188 countries.
Where does this data come from?: Statizoid (derived), published as 25_SDR holdings, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Japan vs United Kingdom: 25_SDR holdings, per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://reference.statizoid.com/compare/25-sdr-holdings-per-square-kilometre/japan/united-kingdom/

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About this data

Indicator: 25_SDR holdings, per square kilometre
Unit: units per square kilometre
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 188 places, 6,198 data points, 1990–2023
Last refreshed: 14 September 2026

25_SDR holdings 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.