Bulgaria vs Spain: Annual change in primary energy from nuclear, annual growth rate

Bulgaria
-14.64 % change on previous year
in 2025
Spain
87.7 % change on previous year
in 2025
Bulgaria rank
19th
Spain rank
16th

Annual change in primary energy from nuclear, annual growth rate over time

  • Bulgaria
  • Spain
-50005001.0k196919972025

How they compare

Spain currently reports 87.7 % change on previous year against -14.64 % change on previous year in Bulgaria, a difference of 102.34 % change on previous year.

That makes Spain's figure about 6.0 times Bulgaria's.

The two have swapped places 27 times across 43 shared years of data; in 1975 it was Bulgaria ahead.

Bulgaria ranks 19th and Spain ranks 16th of 35 countries.

Across the 6 decades both report, Bulgaria averaged higher in 2 and Spain in 4.

Head to head by decade

Decade Bulgaria Spain Difference Ahead
1970s 241.59 % change on previous year -31.12 % change on previous year 272.7 % change on previous year Bulgaria
1980s 30.6 % change on previous year 87.76 % change on previous year 57.15 % change on previous year Spain
1990s -4.43 % change on previous year 24.64 % change on previous year 29.07 % change on previous year Spain
2000s -89.71 % change on previous year -77.77 % change on previous year 11.94 % change on previous year Spain
2010s -1.57 % change on previous year -8.77 % change on previous year 7.2 % change on previous year Bulgaria
2020s -11.36 % change on previous year 41.93 % change on previous year 53.29 % change on previous year Spain

Averages of every year both report within each decade.

Frequently asked questions

Which has higher annual change in primary energy from nuclear, annual growth rate, Bulgaria or Spain?
Spain, at 87.7 % change on previous year against -14.64 % change on previous year in Bulgaria as of 2025.
What is the difference in annual change in primary energy from nuclear, annual growth rate between Bulgaria and Spain?
102.34 % change on previous year, with Spain ahead.
How many years of comparable data are there for Bulgaria and Spain?
43 years are reported by both, from 1975 to 2025.
How do Bulgaria and Spain rank globally for annual change in primary energy from nuclear, annual growth rate?
Bulgaria ranks 19th and Spain ranks 16th of 35 countries.
Where does this data come from?
Statizoid (derived), published as Annual change in primary energy from nuclear, annual growth rate. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Spain: Annual change in primary energy from nuclear, annual growth rate. Statizoid, drawing on Statizoid (derived). Retrieved 03 September 2026, from https://energy.statizoid.com/compare/annual-change-in-primary-energy-from-nuclear-annual-growth-rate/bulgaria/spain/

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About this data

Indicator
Annual change in primary energy from nuclear, annual growth rate
Unit
% change on previous year
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
37 places, 1,538 data points, 1967–2025
Last refreshed

The year-on-year percentage change in Annual change in primary energy from nuclear. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.