Bulgaria vs Niger: Oil reserves, per square kilometre

Bulgaria
21.97 cubic meters per square kilometre
in 2021
Niger
18.83 cubic meters per square kilometre
in 2021
Bulgaria rank
84th
Niger rank
87th

Oil reserves, per square kilometre over time

  • Bulgaria
  • Niger
05101520198020002021

How they compare

Bulgaria currently reports 21.97 cubic meters per square kilometre against 18.83 cubic meters per square kilometre in Niger, a difference of 3.14 cubic meters per square kilometre.

That makes Bulgaria's figure about 1.2 times Niger's.

Across all 28 years both countries report, Bulgaria has been ahead every year.

Bulgaria ranks 84th and Niger ranks 87th of 201 countries.

Bulgaria has averaged higher in every one of the 4 decades both report.

Head to head by decade

Decade Bulgaria Niger Difference Ahead
1990s 21.56 cubic meters per square kilometre 0 cubic meters per square kilometre 21.56 cubic meters per square kilometre Bulgaria
2000s 21.87 cubic meters per square kilometre 0 cubic meters per square kilometre 21.87 cubic meters per square kilometre Bulgaria
2010s 21.97 cubic meters per square kilometre 16.47 cubic meters per square kilometre 5.49 cubic meters per square kilometre Bulgaria
2020s 21.97 cubic meters per square kilometre 18.83 cubic meters per square kilometre 3.14 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 Niger?
Bulgaria, at 21.97 cubic meters per square kilometre against 18.83 cubic meters per square kilometre in Niger as of 2021.
What is the difference in oil reserves, per square kilometre between Bulgaria and Niger?
3.14 cubic meters per square kilometre, with Bulgaria ahead.
How many years of comparable data are there for Bulgaria and Niger?
28 years are reported by both, from 1992 to 2021.
How do Bulgaria and Niger rank globally for oil reserves, per square kilometre?
Bulgaria ranks 84th and Niger ranks 87th 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 Niger: Oil reserves, per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 24 August 2026, from https://energy.statizoid.com/compare/oil-reserves-per-square-kilometre/bulgaria/niger/

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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.