Romania vs Singapore: GDP per unit of energy use

Romania
25.06 constant 2021 PPP $ per kg of oil equivalent
in 2023
Singapore
24.66 constant 2021 PPP $ per kg of oil equivalent
in 2023
Romania rank
18th
Singapore rank
19th

GDP per unit of energy use over time

  • Romania
  • Singapore
510152025199020062023

How they compare

Romania currently reports 25.06 constant 2021 PPP $ per kg of oil equivalent against 24.66 constant 2021 PPP $ per kg of oil equivalent in Singapore, a difference of 0.4 constant 2021 PPP $ per kg of oil equivalent.

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

Romania ranks 18th and Singapore ranks 19th of 168 countries.

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

Head to head by decade

Decade Romania Singapore Difference Ahead
1990s 7.2 constant 2021 PPP $ per kg of oil equivalent 11.3 constant 2021 PPP $ per kg of oil equivalent 4.1 constant 2021 PPP $ per kg of oil equivalent Singapore
2000s 11.4 constant 2021 PPP $ per kg of oil equivalent 15.13 constant 2021 PPP $ per kg of oil equivalent 3.73 constant 2021 PPP $ per kg of oil equivalent Singapore
2010s 17.75 constant 2021 PPP $ per kg of oil equivalent 21.21 constant 2021 PPP $ per kg of oil equivalent 3.46 constant 2021 PPP $ per kg of oil equivalent Singapore
2020s 22.73 constant 2021 PPP $ per kg of oil equivalent 22.87 constant 2021 PPP $ per kg of oil equivalent 0.1456 constant 2021 PPP $ per kg of oil equivalent Singapore

Averages of every year both report within each decade.

Frequently asked questions

Which has higher gdp per unit of energy use, Romania or Singapore?
Romania, at 25.06 constant 2021 PPP $ per kg of oil equivalent against 24.66 constant 2021 PPP $ per kg of oil equivalent in Singapore as of 2023.
What is the difference in gdp per unit of energy use between Romania and Singapore?
0.4 constant 2021 PPP $ per kg of oil equivalent, with Romania ahead.
How many years of comparable data are there for Romania and Singapore?
34 years are reported by both, from 1990 to 2023.
How do Romania and Singapore rank globally for gdp per unit of energy use?
Romania ranks 18th and Singapore ranks 19th 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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Romania vs Singapore: GDP per unit of energy use. Statizoid, drawing on IEA Energy Statistics Data Browser, International Energy Agency (IEA). Retrieved 15 September 2026, from https://energy.statizoid.com/compare/gdp-per-unit-of-energy-use-constant-2021-ppp-per-kg-of-oil-equivalent/romania/singapore/

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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.