{"entity":{"iso2":"NG","iso3":"NGA","name":"Nigeria","slug":"nigeria"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"population-age-21-total","source":"UNESCO Institute for Statistics","source_url":"https://data.worldbank.org/indicator/SP.POP.AG21.TO.UN","title":"Population, age 21, total","unit":null},"observations":[{"date":"1990-01-01","value":1652360.0},{"date":"1991-01-01","value":1703340.0},{"date":"1992-01-01","value":1756780.0},{"date":"1993-01-01","value":1812650.0},{"date":"1994-01-01","value":1870920.0},{"date":"1995-01-01","value":1931640.0},{"date":"1996-01-01","value":1994330.0},{"date":"1997-01-01","value":2059080.0},{"date":"1998-01-01","value":2127210.0},{"date":"1999-01-01","value":2200480.0},{"date":"2000-01-01","value":2279930.0},{"date":"2001-01-01","value":2366320.0},{"date":"2002-01-01","value":2458560.0},{"date":"2003-01-01","value":2553530.0},{"date":"2004-01-01","value":2646940.0},{"date":"2005-01-01","value":2735750.0},{"date":"2006-01-01","value":2818500.0},{"date":"2007-01-01","value":2896120.0},{"date":"2008-01-01","value":2970810.0},{"date":"2009-01-01","value":3045970.0},{"date":"2010-01-01","value":3123950.0},{"date":"2011-01-01","value":3205650.0},{"date":"2012-01-01","value":3289980.0},{"date":"2013-01-01","value":3375050.0},{"date":"2015-01-01","value":3537090.0}],"summary":{"latest_period":"2015-01-01","latest_value":3537090.0,"max":3537090.0,"mean":2496520.0,"min":1652360.0,"of":191,"rank":6,"trend":"rising"}}