How many years of comparable data are there for Iceland and Sierra Leone?

22 years are reported by both, from 2000 to 2021.

Where does this data come from?

IEA Energy Statistics Data Browser, International Energy Agency (IEA), published as Electricity production from hydroelectric sources (% of total). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Iceland vs Sierra Leone: Electricity production from hydroelectric sources

Iceland

68.2%

in 2024

Sierra Leone

70.5%

in 2021

Iceland rank

29th

Sierra Leone rank

27th

Electricity production from hydroelectric sources over time

Iceland
Sierra Leone

How they compare

Sierra Leone currently reports 70.5% against 68.2% in Iceland, a difference of 2.3%.

The two have swapped places 5 times across 22 shared years of data; in 2000 it was Iceland ahead.

Iceland ranks 29th and Sierra Leone ranks 27th of 210 countries.

Across the 3 decades both report, Iceland averaged higher in 1 and Sierra Leone in 2.

Head to head by decade

Decade	Iceland	Sierra Leone	Difference	Ahead
2000s	78.6%	22.3%	56.3%	Iceland
2010s	71.7%	74.4%	2.7%	Sierra Leone
2020s	69.6%	70.5%	0.9%	Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher electricity production from hydroelectric sources, Iceland or Sierra Leone?: Sierra Leone, at 70.5% against 68.2% in Iceland as of 2021.
What is the difference in electricity production from hydroelectric sources between Iceland and Sierra Leone?: 2.3%, with Sierra Leone ahead.
How many years of comparable data are there for Iceland and Sierra Leone?: 22 years are reported by both, from 2000 to 2021.
How do Iceland and Sierra Leone rank globally for electricity production from hydroelectric sources?: Iceland ranks 29th and Sierra Leone ranks 27th of 210 countries.
Where does this data come from?: IEA Energy Statistics Data Browser, International Energy Agency (IEA), published as Electricity production from hydroelectric sources (% of total). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iceland vs Sierra Leone: Electricity production from hydroelectric sources. Statizoid, drawing on IEA Energy Statistics Data Browser, International Energy Agency (IEA). Retrieved 10 September 2026, from https://energy.statizoid.com/compare/electricity-production-from-hydroelectric-sources-percent-of-total/iceland/sierra-leone/

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About this data

Indicator: Electricity production from hydroelectric sources (% of total)
Unit: % of total
Source: IEA Energy Statistics Data Browser, International Energy Agency (IEA)
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 257 places, 7,907 data points, 1990–2024
Last refreshed: 03 September 2026

The share of electricity production from hydroelectric sources of total electricity production. Sources of electricity refer to the inputs used to generate electricity. Hydropower refers to electricity produced by hydroelectric power plants.