{"entity":{"iso2":"SL","iso3":"SLE","name":"Sierra Leone","slug":"sierra-leone"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"human-development-index","source":"UNDP, Human Development Report (2025) \u2013 with minor processing by Our World in Data","source_url":"https://ourworldindata.org/grapher/human-development-index","title":"Human Development Index","unit":null},"observations":[{"date":"1990-01-01","value":0.313},{"date":"1991-01-01","value":0.303},{"date":"1992-01-01","value":0.305},{"date":"1993-01-01","value":0.312},{"date":"1994-01-01","value":0.312},{"date":"1995-01-01","value":0.314},{"date":"1996-01-01","value":0.311},{"date":"1997-01-01","value":0.307},{"date":"1998-01-01","value":0.304},{"date":"1999-01-01","value":0.301},{"date":"2000-01-01","value":0.318},{"date":"2001-01-01","value":0.33},{"date":"2002-01-01","value":0.345},{"date":"2003-01-01","value":0.354},{"date":"2004-01-01","value":0.363},{"date":"2005-01-01","value":0.37},{"date":"2006-01-01","value":0.372},{"date":"2007-01-01","value":0.391},{"date":"2008-01-01","value":0.4},{"date":"2009-01-01","value":0.406},{"date":"2010-01-01","value":0.41},{"date":"2011-01-01","value":0.416},{"date":"2012-01-01","value":0.418},{"date":"2013-01-01","value":0.436},{"date":"2014-01-01","value":0.438},{"date":"2015-01-01","value":0.432},{"date":"2016-01-01","value":0.441},{"date":"2017-01-01","value":0.445},{"date":"2018-01-01","value":0.451},{"date":"2019-01-01","value":0.455},{"date":"2020-01-01","value":0.454},{"date":"2021-01-01","value":0.458},{"date":"2022-01-01","value":0.463},{"date":"2023-01-01","value":0.467}],"summary":{"latest_period":"2023-01-01","latest_value":0.467,"max":0.467,"mean":0.379853,"min":0.301,"of":192,"rank":185,"trend":"rising"}}