Iceland vs Turkmenistan: Annual percentage change in primary energy from hydropower

Iceland
-3.3%
in 2025
Turkmenistan
-0.3%
in 2025
Iceland rank
32nd
Turkmenistan rank
29th

Annual percentage change in primary energy from hydropower over time

  • Iceland
  • Turkmenistan
-250255075196619952025

How they compare

Turkmenistan currently reports -0.3% against -3.3% in Iceland, a difference of 3.0%.

The two have swapped places 17 times across 40 shared years of data; in 1986 it was Iceland ahead.

Iceland ranks 32nd and Turkmenistan ranks 29th of 68 countries.

Across the 5 decades both report, Iceland averaged higher in 3 and Turkmenistan in 2.

Head to head by decade

Decade Iceland Turkmenistan Difference Ahead
1980s 3.6% 0.0% 3.6% Iceland
1990s 3.7% 6.7% 3.0% Turkmenistan
2000s 8.1% -3.7% 11.8% Iceland
2010s 1.0% 0.0% 1.0% Iceland
2020s -0.3% -0.0% 0.3% Turkmenistan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher annual percentage change in primary energy from hydropower, Iceland or Turkmenistan?
Turkmenistan, at -0.3% against -3.3% in Iceland as of 2025.
What is the difference in annual percentage change in primary energy from hydropower between Iceland and Turkmenistan?
3.0%, with Turkmenistan ahead.
How many years of comparable data are there for Iceland and Turkmenistan?
40 years are reported by both, from 1986 to 2025.
How do Iceland and Turkmenistan rank globally for annual percentage change in primary energy from hydropower?
Iceland ranks 32nd and Turkmenistan ranks 29th of 68 countries.
Where does this data come from?
Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data, published as Annual percentage change in primary energy from hydropower. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator
Annual percentage change in primary energy from hydropower
Unit
%
Source
Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
73 places, 4,007 data points, 1966–2025
Last refreshed

Percentage change in total energy supply relative to the previous year.