{"entity":{"iso2":"CH","iso3":"CHE","name":"Switzerland","slug":"switzerland"},"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":0.0},{"date":"1967-01-01","value":0.0},{"date":"1968-01-01","value":0.0},{"date":"1969-01-01","value":0.9404},{"date":"1970-01-01","value":2.78267},{"date":"1971-01-01","value":2.12571},{"date":"1972-01-01","value":5.69361},{"date":"1973-01-01","value":8.42946},{"date":"1974-01-01","value":10.0878},{"date":"1975-01-01","value":10.9923},{"date":"1976-01-01","value":11.2376},{"date":"1977-01-01","value":10.8951},{"date":"1978-01-01","value":11.166},{"date":"1979-01-01","value":15.4775},{"date":"1980-01-01","value":17.7797},{"date":"1981-01-01","value":19.2689},{"date":"1982-01-01","value":19.6644},{"date":"1983-01-01","value":19.2657},{"date":"1984-01-01","value":22.53},{"date":"1985-01-01","value":25.5859},{"date":"1986-01-01","value":24.2932},{"date":"1987-01-01","value":25.2335},{"date":"1988-01-01","value":24.9709},{"date":"1989-01-01","value":26.0117},{"date":"1990-01-01","value":25.6067},{"date":"1991-01-01","value":24.4839},{"date":"1992-01-01","value":24.6323},{"date":"1993-01-01","value":25.1106},{"date":"1994-01-01","value":25.1873},{"date":"1995-01-01","value":26.7721},{"date":"1996-01-01","value":26.9507},{"date":"1997-01-01","value":26.0583},{"date":"1998-01-01","value":26.2043},{"date":"1999-01-01","value":25.0314},{"date":"2000-01-01","value":26.7821},{"date":"2001-01-01","value":25.6532},{"date":"2002-01-01","value":27.2471},{"date":"2003-01-01","value":27.6772},{"date":"2004-01-01","value":26.992},{"date":"2005-01-01","value":24.311},{"date":"2006-01-01","value":27.813},{"date":"2007-01-01","value":28.1063},{"date":"2008-01-01","value":27.2236},{"date":"2009-01-01","value":27.7478},{"date":"2010-01-01","value":26.383},{"date":"2011-01-01","value":28.3469},{"date":"2012-01-01","value":26.2238},{"date":"2013-01-01","value":26.2376},{"date":"2014-01-01","value":29.0555},{"date":"2015-01-01","value":25.2085},{"date":"2016-01-01","value":24.3289},{"date":"2017-01-01","value":23.3108},{"date":"2018-01-01","value":27.119},{"date":"2019-01-01","value":27.0746},{"date":"2020-01-01","value":27.3648},{"date":"2021-01-01","value":23.9321},{"date":"2022-01-01","value":27.5455},{"date":"2023-01-01","value":27.0137},{"date":"2024-01-01","value":26.0586},{"date":"2025-01-01","value":22.8362}],"summary":{"latest_period":"2025-01-01","latest_value":22.8362,"max":29.0555,"mean":20.624,"min":0.0,"of":215,"rank":9,"trend":"rising"}}