How many years of comparable data are there for Bulgaria and Slovak Republic?

36 years are reported by both, from 1990 to 2025.

Where does this data come from?

Statizoid (derived), published as Primary energy from fossil nuclear renewables, per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Bulgaria vs Slovak Republic: Primary energy from fossil nuclear renewables, per unit of GDP

Bulgaria

0 units per US$ of GDP

in 2025

Slovak Republic

0 units per US$ of GDP

in 2025

Bulgaria rank

3rd

Slovak Republic rank

2nd

Primary energy from fossil nuclear renewables, per unit of GDP over time

Bulgaria
Slovak Republic

How they compare

Slovak Republic currently reports 0 units per US$ of GDP against 0 units per US$ of GDP in Bulgaria, a difference of 0 units per US$ of GDP.

That makes Slovak Republic's figure about 1.1 times Bulgaria's.

The two have swapped places 2 times across 36 shared years of data; in 1990 it was Slovak Republic ahead.

Bulgaria ranks 3rd and Slovak Republic ranks 2nd of 198 countries.

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

Head to head by decade

Decade	Bulgaria	Slovak Republic	Difference	Ahead
1990s	0 units per US$ of GDP	0 units per US$ of GDP	0 units per US$ of GDP	Bulgaria
2000s	0 units per US$ of GDP	0 units per US$ of GDP	0 units per US$ of GDP	Bulgaria
2010s	0 units per US$ of GDP	0 units per US$ of GDP	0 units per US$ of GDP	Bulgaria
2020s	0 units per US$ of GDP	0 units per US$ of GDP	0 units per US$ of GDP	Bulgaria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher primary energy from fossil nuclear renewables, per unit of gdp, Bulgaria or Slovak Republic?: Slovak Republic, at 0 units per US$ of GDP against 0 units per US$ of GDP in Bulgaria as of 2025.
What is the difference in primary energy from fossil nuclear renewables, per unit of gdp between Bulgaria and Slovak Republic?: 0 units per US$ of GDP, with Slovak Republic ahead.
How many years of comparable data are there for Bulgaria and Slovak Republic?: 36 years are reported by both, from 1990 to 2025.
How do Bulgaria and Slovak Republic rank globally for primary energy from fossil nuclear renewables, per unit of gdp?: Bulgaria ranks 3rd and Slovak Republic ranks 2nd of 198 countries.
Where does this data come from?: Statizoid (derived), published as Primary energy from fossil nuclear renewables, per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Slovak Republic: Primary energy from fossil nuclear renewables, per unit of GDP. Statizoid, drawing on Statizoid (derived). Retrieved 27 October 2026, from https://energy.statizoid.com/compare/primary-energy-from-fossil-nuclear-renewables-per-unit-of-gdp/bulgaria/slovak-republic/

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<a href="https://energy.statizoid.com/compare/primary-energy-from-fossil-nuclear-renewables-per-unit-of-gdp/bulgaria/slovak-republic/">Bulgaria vs Slovak Republic: Primary energy from fossil nuclear renewables, per unit of GDP</a> — Statizoid

About this data

Indicator: Primary energy from fossil nuclear renewables, per unit of GDP
Unit: units per US$ of GDP
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 198 places, 9,138 data points, 1965–2025
Last refreshed: 27 October 2026

Primary energy from fossil nuclear renewables divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.