Denmark vs Iran: Annual percentage change in primary energy from hydropower

Denmark

-65.4%

in 2025

Iran

-36.6%

in 2025

Denmark rank

68th

Iran rank

65th

Annual percentage change in primary energy from hydropower over time

Iran currently reports -36.6% against -65.4% in Denmark, a difference of 28.7%.

The two have swapped places 30 times across 59 shared years of data; in 1966 it was Iran ahead.

Denmark ranks 68th and Iran ranks 65th of 68 countries.

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: 07 August 2026

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