Portugal vs United States: Annual percentage change in primary energy from hydropower

Portugal
-0.1%
in 2025
United States
2.0%
in 2025
Portugal rank
25th
United States rank
23rd

Annual percentage change in primary energy from hydropower over time

  • Portugal
  • United States
-50050100150196619952025

How they compare

United States currently reports 2.0% against -0.1% in Portugal, a difference of 2.1%.

That makes United States's figure about 13.3 times Portugal's.

The two have swapped places 39 times across 60 shared years of data; in 1966 it was Portugal ahead.

Portugal ranks 25th and United States ranks 23rd of 68 countries.

Across the 7 decades both report, Portugal averaged higher in 6 and United States in 1.

Head to head by decade

Decade Portugal United States Difference Ahead
1960s 13.2% 6.7% 6.5% Portugal
1970s 10.0% 1.8% 8.2% Portugal
1980s -1.3% 0.2% 1.5% United States
1990s 11.5% 1.9% 9.6% Portugal
2000s 16.0% -0.7% 16.6% Portugal
2010s 22.9% 1.0% 21.9% Portugal
2020s 16.3% -2.5% 18.8% Portugal

Averages of every year both report within each decade.

Frequently asked questions

Which has higher annual percentage change in primary energy from hydropower, Portugal or United States?
United States, at 2.0% against -0.1% in Portugal as of 2025.
What is the difference in annual percentage change in primary energy from hydropower between Portugal and United States?
2.1%, with United States ahead.
How many years of comparable data are there for Portugal and United States?
60 years are reported by both, from 1966 to 2025.
How do Portugal and United States rank globally for annual percentage change in primary energy from hydropower?
Portugal ranks 25th and United States ranks 23rd 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.