Niger vs Tonga: GDP per unit of energy use

Niger
10.62 constant 2021 PPP $ per kg of oil equivalent
in 2023
Tonga
10.13 constant 2021 PPP $ per kg of oil equivalent
in 2007
Niger rank
121st
Tonga rank
122nd

GDP per unit of energy use over time

  • Niger
  • Tonga
57.51012.51517.5199020062023

How they compare

Niger currently reports 10.62 constant 2021 PPP $ per kg of oil equivalent against 10.13 constant 2021 PPP $ per kg of oil equivalent in Tonga, a difference of 0.49 constant 2021 PPP $ per kg of oil equivalent.

Across all 5 years both countries report, Tonga has been ahead every year.

Niger ranks 121st and Tonga ranks 122nd of 168 countries.

Tonga has averaged higher in every one of the 2 decades both report.

Head to head by decade

Decade Niger Tonga Difference Ahead
1990s 8.13 constant 2021 PPP $ per kg of oil equivalent 17.66 constant 2021 PPP $ per kg of oil equivalent 9.53 constant 2021 PPP $ per kg of oil equivalent Tonga
2000s 9.82 constant 2021 PPP $ per kg of oil equivalent 10.6 constant 2021 PPP $ per kg of oil equivalent 0.7771 constant 2021 PPP $ per kg of oil equivalent Tonga

Averages of every year both report within each decade.

Frequently asked questions

Which has higher gdp per unit of energy use, Niger or Tonga?
Niger, at 10.62 constant 2021 PPP $ per kg of oil equivalent against 10.13 constant 2021 PPP $ per kg of oil equivalent in Tonga as of 2023.
What is the difference in gdp per unit of energy use between Niger and Tonga?
0.49 constant 2021 PPP $ per kg of oil equivalent, with Niger ahead.
How many years of comparable data are there for Niger and Tonga?
5 years are reported by both, from 1990 to 2007.
How do Niger and Tonga rank globally for gdp per unit of energy use?
Niger ranks 121st and Tonga ranks 122nd of 168 countries.
Where does this data come from?
IEA Energy Statistics Data Browser, International Energy Agency (IEA), published as GDP per unit of energy use (constant 2021 PPP $ per kg of oil equivalent). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Niger vs Tonga: GDP per unit of energy use. Statizoid, drawing on IEA Energy Statistics Data Browser, International Energy Agency (IEA). Retrieved 12 September 2026, from https://energy.statizoid.com/compare/gdp-per-unit-of-energy-use-constant-2021-ppp-per-kg-of-oil-equivalent/niger/tonga/

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About this data

Indicator
GDP per unit of energy use (constant 2021 PPP $ per kg of oil equivalent)
Unit
constant 2021 PPP $ per kg of oil equivalent
Source
IEA Energy Statistics Data Browser, International Energy Agency (IEA)
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
215 places, 6,437 data points, 1990–2024
Last refreshed

GDP per unit of energy use is the PPP GDP per kilogram of oil equivalent of energy use. PPP GDP is gross domestic product converted to 2021 constant international dollars using purchasing power parity rates. An international dollar has the same purchasing power over GDP as a U.S. dollar has in the United States.