{"entity":{"iso2":"KR","iso3":"KOR","name":"South Korea","slug":"korea-rep"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"percentage-change-energy-by-source","source":"Energy Institute - Statistical Review of World Energy (2026); Smil (2017) \u2013 with major processing by Our World in Data","source_url":"https://ourworldindata.org/grapher/percentage-change-energy-by-source","title":"Year-to-year percentage change in primary energy use by source","unit":"%"},"observations":[{"date":"1991-01-01","value":0.0},{"date":"1992-01-01","value":100.0},{"date":"1993-01-01","value":0.0},{"date":"1994-01-01","value":0.0},{"date":"1995-01-01","value":0.0},{"date":"1996-01-01","value":50.0},{"date":"1997-01-01","value":0.0},{"date":"1998-01-01","value":33.3333},{"date":"1999-01-01","value":14.3},{"date":"2000-01-01","value":15.5731},{"date":"2001-01-01","value":17.0325},{"date":"2002-01-01","value":13.9069},{"date":"2003-01-01","value":10.0511},{"date":"2004-01-01","value":27.3478},{"date":"2005-01-01","value":45.857},{"date":"2006-01-01","value":115.445},{"date":"2007-01-01","value":129.769},{"date":"2008-01-01","value":298.877},{"date":"2009-01-01","value":99.1422},{"date":"2010-01-01","value":36.6014},{"date":"2011-01-01","value":19.3077},{"date":"2012-01-01","value":22.1447},{"date":"2013-01-01","value":47.959},{"date":"2014-01-01","value":61.5666},{"date":"2015-01-01","value":56.9932},{"date":"2016-01-01","value":30.407},{"date":"2017-01-01","value":40.3007},{"date":"2018-01-01","value":31.3771},{"date":"2019-01-01","value":39.5907},{"date":"2020-01-01","value":36.2509},{"date":"2021-01-01","value":27.8192},{"date":"2022-01-01","value":24.3091},{"date":"2023-01-01","value":8.16951},{"date":"2024-01-01","value":12.6767},{"date":"2025-01-01","value":1.09692}],"summary":{"latest_period":"2025-01-01","latest_value":1.09692,"max":298.877,"mean":41.9202,"min":0.0,"of":76,"rank":70,"trend":"volatile"}}