Bulgaria vs Japan: Oil reserves, per square kilometre

Bulgaria
21.97 cubic meters per square kilometre
in 2021
Japan
19.24 cubic meters per square kilometre
in 2021
Bulgaria rank
84th
Japan rank
86th

Oil reserves, per square kilometre over time

  • Bulgaria
  • Japan
0102030198020002021

How they compare

Bulgaria currently reports 21.97 cubic meters per square kilometre against 19.24 cubic meters per square kilometre in Japan, a difference of 2.73 cubic meters per square kilometre.

That makes Bulgaria's figure about 1.1 times Japan's.

The two have swapped places 3 times across 30 shared years of data; in 1992 it was Japan ahead.

Bulgaria ranks 84th and Japan ranks 86th of 201 countries.

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

Head to head by decade

Decade Bulgaria Japan Difference Ahead
1990s 21.56 cubic meters per square kilometre 24.14 cubic meters per square kilometre 2.58 cubic meters per square kilometre Japan
2000s 21.87 cubic meters per square kilometre 24.27 cubic meters per square kilometre 2.4 cubic meters per square kilometre Japan
2010s 21.97 cubic meters per square kilometre 19.24 cubic meters per square kilometre 2.73 cubic meters per square kilometre Bulgaria
2020s 21.97 cubic meters per square kilometre 19.24 cubic meters per square kilometre 2.73 cubic meters per square kilometre Bulgaria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher oil reserves, per square kilometre, Bulgaria or Japan?
Bulgaria, at 21.97 cubic meters per square kilometre against 19.24 cubic meters per square kilometre in Japan as of 2021.
What is the difference in oil reserves, per square kilometre between Bulgaria and Japan?
2.73 cubic meters per square kilometre, with Bulgaria ahead.
How many years of comparable data are there for Bulgaria and Japan?
30 years are reported by both, from 1992 to 2021.
How do Bulgaria and Japan rank globally for oil reserves, per square kilometre?
Bulgaria ranks 84th and Japan ranks 86th of 201 countries.
Where does this data come from?
Statizoid (derived), published as Oil reserves, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Japan: Oil reserves, per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 28 August 2026, from https://energy.statizoid.com/compare/oil-reserves-per-square-kilometre/bulgaria/japan/

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About this data

Indicator
Oil reserves, per square kilometre
Unit
cubic meters per square kilometre
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
201 places, 7,613 data points, 1980–2021
Last refreshed

Oil reserves 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.