{"entity":{"iso2":null,"iso3":null,"name":"USSR","slug":"ussr"},"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":98.7115},{"date":"1966-01-01","value":98.6334},{"date":"1967-01-01","value":98.7378},{"date":"1968-01-01","value":98.5476},{"date":"1969-01-01","value":98.4548},{"date":"1970-01-01","value":98.393},{"date":"1971-01-01","value":98.4169},{"date":"1972-01-01","value":98.3882},{"date":"1973-01-01","value":98.3385},{"date":"1974-01-01","value":98.1269},{"date":"1975-01-01","value":98.0778},{"date":"1976-01-01","value":97.8123},{"date":"1977-01-01","value":97.4855},{"date":"1978-01-01","value":97.3672},{"date":"1979-01-01","value":97.2514},{"date":"1980-01-01","value":96.8873},{"date":"1981-01-01","value":96.6343},{"date":"1982-01-01","value":96.5221},{"date":"1983-01-01","value":96.3126},{"date":"1984-01-01","value":95.6103}],"summary":{"latest_period":"1984-01-01","latest_value":95.6103,"max":98.7378,"mean":97.7355,"min":95.6103,"of":3,"rank":1,"trend":"flat"}}