{"entity":{"iso2":"TO","iso3":"TON","name":"Tonga","slug":"tonga"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"change-energy-consumption","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/change-energy-consumption","title":"Annual percentage change in primary energy use","unit":"%"},"observations":[{"date":"1981-01-01","value":49.5902},{"date":"1982-01-01","value":0.0},{"date":"1983-01-01","value":0.0},{"date":"1984-01-01","value":0.273977},{"date":"1985-01-01","value":-0.273228},{"date":"1986-01-01","value":-37.8867},{"date":"1987-01-01","value":121.756},{"date":"1988-01-01","value":25.0464},{"date":"1989-01-01","value":23.5329},{"date":"1990-01-01","value":0.0},{"date":"1991-01-01","value":1.57525},{"date":"1992-01-01","value":-4.91874},{"date":"1993-01-01","value":-0.217982},{"date":"1994-01-01","value":35.9006},{"date":"1995-01-01","value":-9.61448},{"date":"1996-01-01","value":13.6478},{"date":"1997-01-01","value":4.64328},{"date":"1998-01-01","value":1.67694},{"date":"1999-01-01","value":0.00171726},{"date":"2000-01-01","value":-22.0758},{"date":"2001-01-01","value":-9.93045},{"date":"2002-01-01","value":8.43013},{"date":"2003-01-01","value":23.2098},{"date":"2004-01-01","value":-7.38766},{"date":"2005-01-01","value":6.4896},{"date":"2006-01-01","value":12.4846},{"date":"2007-01-01","value":-14.3883},{"date":"2008-01-01","value":7.98955},{"date":"2009-01-01","value":8.53948},{"date":"2010-01-01","value":-4.86003},{"date":"2011-01-01","value":-6.73315},{"date":"2012-01-01","value":29.986},{"date":"2013-01-01","value":19.617},{"date":"2014-01-01","value":1.33578},{"date":"2015-01-01","value":-0.267925},{"date":"2016-01-01","value":16.3486},{"date":"2017-01-01","value":11.4806},{"date":"2018-01-01","value":-13.8283},{"date":"2019-01-01","value":-3.09551},{"date":"2020-01-01","value":-10.1092},{"date":"2021-01-01","value":0.354046},{"date":"2022-01-01","value":-5.49156},{"date":"2023-01-01","value":12.1924},{"date":"2024-01-01","value":8.73775}],"summary":{"latest_period":"2024-01-01","latest_value":8.73775,"max":121.756,"mean":6.67641,"min":-37.8867,"of":216,"rank":16,"trend":"volatile"}}