{"entity":{"iso2":"NG","iso3":"NGA","name":"Nigeria","slug":"nigeria"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"years-of-schooling","source":"UNDP, Human Development Report (2025) \u2013 with minor processing by Our World in Data","source_url":"https://ourworldindata.org/grapher/years-of-schooling","title":"Average years of schooling among adults","unit":"years"},"observations":[{"date":"1990-01-01","value":2.75194},{"date":"1991-01-01","value":2.92814},{"date":"1992-01-01","value":3.10435},{"date":"1993-01-01","value":3.28056},{"date":"1994-01-01","value":3.45677},{"date":"1995-01-01","value":3.63298},{"date":"1996-01-01","value":3.80919},{"date":"1997-01-01","value":3.9854},{"date":"1998-01-01","value":4.1616},{"date":"1999-01-01","value":4.33781},{"date":"2000-01-01","value":4.51402},{"date":"2001-01-01","value":4.69023},{"date":"2002-01-01","value":4.86644},{"date":"2003-01-01","value":5.04265},{"date":"2004-01-01","value":5.26545},{"date":"2005-01-01","value":5.48825},{"date":"2006-01-01","value":5.71105},{"date":"2007-01-01","value":5.93385},{"date":"2008-01-01","value":6.15665},{"date":"2009-01-01","value":6.19474},{"date":"2010-01-01","value":6.23283},{"date":"2011-01-01","value":6.27092},{"date":"2012-01-01","value":6.30901},{"date":"2013-01-01","value":6.3471},{"date":"2014-01-01","value":6.56311},{"date":"2015-01-01","value":6.77911},{"date":"2016-01-01","value":6.99511},{"date":"2017-01-01","value":6.95707},{"date":"2018-01-01","value":6.91902},{"date":"2019-01-01","value":7.19197},{"date":"2020-01-01","value":7.38897},{"date":"2021-01-01","value":7.58597},{"date":"2022-01-01","value":7.58597},{"date":"2023-01-01","value":7.58597}],"summary":{"latest_period":"2023-01-01","latest_value":7.58597,"max":7.58597,"mean":5.4713,"min":2.75194,"of":192,"rank":131,"trend":"rising"}}