{"entity":{"iso2":"BE","iso3":"BEL","name":"Belgium","slug":"belgium"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"nuclear-primary-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/nuclear-primary-energy","title":"Share of primary energy from nuclear","unit":"%"},"observations":[{"date":"1965-01-01","value":0.0},{"date":"1966-01-01","value":0.00457663},{"date":"1967-01-01","value":0.0682751},{"date":"1968-01-01","value":0.0397566},{"date":"1969-01-01","value":0.0130635},{"date":"1970-01-01","value":0.0320387},{"date":"1971-01-01","value":0.0},{"date":"1972-01-01","value":0.00592716},{"date":"1973-01-01","value":0.040405},{"date":"1974-01-01","value":0.0814947},{"date":"1975-01-01","value":3.96134},{"date":"1976-01-01","value":5.51652},{"date":"1977-01-01","value":6.54908},{"date":"1978-01-01","value":6.57562},{"date":"1979-01-01","value":5.82899},{"date":"1980-01-01","value":6.69573},{"date":"1981-01-01","value":7.21627},{"date":"1982-01-01","value":9.1769},{"date":"1983-01-01","value":14.5238},{"date":"1984-01-01","value":15.9787},{"date":"1985-01-01","value":19.0477},{"date":"1986-01-01","value":20.9936},{"date":"1987-01-01","value":21.7057},{"date":"1988-01-01","value":21.85},{"date":"1989-01-01","value":20.7518},{"date":"1990-01-01","value":20.7587},{"date":"1991-01-01","value":20.1447},{"date":"1992-01-01","value":20.4719},{"date":"1993-01-01","value":20.071},{"date":"1994-01-01","value":18.5075},{"date":"1995-01-01","value":18.6005},{"date":"1996-01-01","value":18.3709},{"date":"1997-01-01","value":19.8925},{"date":"1998-01-01","value":18.9808},{"date":"1999-01-01","value":20.2527},{"date":"2000-01-01","value":19.5605},{"date":"2001-01-01","value":18.9657},{"date":"2002-01-01","value":19.4174},{"date":"2003-01-01","value":18.6965},{"date":"2004-01-01","value":18.583},{"date":"2005-01-01","value":18.8518},{"date":"2006-01-01","value":18.4189},{"date":"2007-01-01","value":18.8955},{"date":"2008-01-01","value":17.5743},{"date":"2009-01-01","value":19.658},{"date":"2010-01-01","value":18.6917},{"date":"2011-01-01","value":20.1714},{"date":"2012-01-01","value":17.6581},{"date":"2013-01-01","value":18.2704},{"date":"2014-01-01","value":15.6729},{"date":"2015-01-01","value":12.1054},{"date":"2016-01-01","value":18.4627},{"date":"2017-01-01","value":17.7912},{"date":"2018-01-01","value":12.2301},{"date":"2019-01-01","value":17.9389},{"date":"2020-01-01","value":16.0248},{"date":"2021-01-01","value":20.763},{"date":"2022-01-01","value":19.3968},{"date":"2023-01-01","value":15.8433},{"date":"2024-01-01","value":15.1011},{"date":"2025-01-01","value":11.7529}],"summary":{"latest_period":"2025-01-01","latest_value":11.7529,"max":21.85,"mean":13.7575,"min":0.0,"of":215,"rank":13,"trend":"volatile"}}