{"entity":{"iso2":"BG","iso3":"BGR","name":"Bulgaria","slug":"bulgaria"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"fossil-fuels-share-energy","source":"Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) \u2013 with major processing by Our World in Data","source_url":"https://ourworldindata.org/grapher/fossil-fuels-share-energy","title":"Share of primary energy from fossil fuels","unit":"%"},"observations":[{"date":"1965-01-01","value":98.276},{"date":"1966-01-01","value":98.3873},{"date":"1967-01-01","value":98.6092},{"date":"1968-01-01","value":99.2061},{"date":"1969-01-01","value":98.9921},{"date":"1970-01-01","value":98.951},{"date":"1971-01-01","value":98.9848},{"date":"1972-01-01","value":99.0487},{"date":"1973-01-01","value":98.873},{"date":"1974-01-01","value":97.9283},{"date":"1975-01-01","value":96.0949},{"date":"1976-01-01","value":93.4565},{"date":"1977-01-01","value":92.6437},{"date":"1978-01-01","value":93.1082},{"date":"1979-01-01","value":92.9582},{"date":"1980-01-01","value":93.2119},{"date":"1981-01-01","value":90.4052},{"date":"1982-01-01","value":89.3763},{"date":"1983-01-01","value":87.9373},{"date":"1984-01-01","value":87.5267},{"date":"1985-01-01","value":87.4556},{"date":"1986-01-01","value":88.6055},{"date":"1987-01-01","value":88.2983},{"date":"1988-01-01","value":85.4782},{"date":"1989-01-01","value":86.575},{"date":"1990-01-01","value":85.783},{"date":"1991-01-01","value":83.8054},{"date":"1992-01-01","value":84.9715},{"date":"1993-01-01","value":83.2079},{"date":"1994-01-01","value":81.1917},{"date":"1995-01-01","value":79.9509},{"date":"1996-01-01","value":78.6158},{"date":"1997-01-01","value":77.8578},{"date":"1998-01-01","value":77.8021},{"date":"1999-01-01","value":76.4358},{"date":"2000-01-01","value":73.2466},{"date":"2001-01-01","value":72.992},{"date":"2002-01-01","value":70.9753},{"date":"2003-01-01","value":75.2793},{"date":"2004-01-01","value":75.01},{"date":"2005-01-01","value":73.9324},{"date":"2006-01-01","value":73.4841},{"date":"2007-01-01","value":79.6359},{"date":"2008-01-01","value":77.9525},{"date":"2009-01-01","value":75.1149},{"date":"2010-01-01","value":74.7555},{"date":"2011-01-01","value":76.0675},{"date":"2012-01-01","value":74.2826},{"date":"2013-01-01","value":73.2874},{"date":"2014-01-01","value":72.2709},{"date":"2015-01-01","value":73.4773},{"date":"2016-01-01","value":72.5367},{"date":"2017-01-01","value":74.1024},{"date":"2018-01-01","value":70.3667},{"date":"2019-01-01","value":69.8506},{"date":"2020-01-01","value":67.4212},{"date":"2021-01-01","value":68.9751},{"date":"2022-01-01","value":70.669},{"date":"2023-01-01","value":66.3033},{"date":"2024-01-01","value":65.8785},{"date":"2025-01-01","value":66.4669}],"summary":{"latest_period":"2025-01-01","latest_value":66.4669,"max":99.2061,"mean":82.5302,"min":65.8785,"of":75,"rank":65,"trend":"falling"}}