Based on a comparison of 121 countries in 2017, Albania ranked the highest in electricity production from hydro sources as a percentage of total with 100% followed by Paraguay and Nepal. On the other end of the scale was Israel with 0.036%, Denmark with 0.050% and Netherlands with 0.053%.
Average electricity production from hydro sources as a percentage of total reached 15.9% in 2017 in the World according to World Bank / EIA. This is 1.89 % less than in the previous year and 3.12 % more than 10 years ago.
Historically, average electricity production from hydro sources as a percentage of total reached an all time high of 20.3% in 1974 and an all time low of 15.4% in 2007. The average annual growth amounted to -0.521 % since 1960.
Data for more countries are available at Electricity Production from Hydro Sources (As % of Total) indicator page.
| Electricity Production from Hydro Sources (As % of Total) | Unit | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 |
| Albania | % | 98.6% | 100% | 100% | 100% | 100% | ... | ... | ||||||||||||||
| Cameroon | % | 74.3% | 74.0% | 74.1% | 74.2% | 75.0% | ... | ... | ||||||||||||||
| Colombia | % | 80.1% | 76.3% | 71.0% | 70.9% | 65.0% | ||||||||||||||||
| Costa Rica | % | 72.6% | 71.1% | 66.9% | 65.7% | 74.6% | ... | ... | ||||||||||||||
| Dem. Republic of the Congo | % | 98.9% | 99.7% | 99.7% | 99.8% | 99.7% | ... | ... | ||||||||||||||
| Ethiopia | % | 98.8% | 97.3% | 95.8% | 94.7% | 92.7% | ... | ... | ||||||||||||||
| Georgia | % | 77.4% | 74.5% | 82.2% | 80.4% | 78.0% | ... | ... | ||||||||||||||
| Kyrgyzstan | % | 93.3% | 93.5% | 93.5% | 91.3% | 85.2% | ... | ... | ||||||||||||||
| Mozambique | % | 99.9% | 99.9% | 97.7% | 91.2% | 86.4% | ... | ... | ||||||||||||||
| Namibia | % | 98.2% | 97.8% | 95.6% | 99.1% | 97.8% | ... | ... | ||||||||||||||
| Nepal | % | 99.9% | 99.5% | 99.7% | 99.8% | 99.8% | ... | ... | ||||||||||||||
| Norway | % | 95.2% | 96.7% | 96.0% | 95.9% | 95.8% | ||||||||||||||||
| Paraguay | % | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | ... | ... | ||||||||||||||
| Tajikistan | % | 99.8% | 99.6% | 99.7% | 99.0% | 98.5% | ... | ... | ||||||||||||||
| Zambia | % | 99.9% | 99.9% | 99.9% | 97.2% | 97.0% | ... | ... |
Helgi Library 
