{"entity":{"iso2":"TO","iso3":"TON","name":"Tonga","slug":"tonga"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"population-age-13-total","source":"UNESCO Institute for Statistics","source_url":"https://data.worldbank.org/indicator/SP.POP.AG13.TO.UN","title":"Population, age 13, total","unit":null},"observations":[{"date":"1990-01-01","value":2172.0},{"date":"1991-01-01","value":2216.0},{"date":"1992-01-01","value":2298.0},{"date":"1993-01-01","value":2397.0},{"date":"1994-01-01","value":2481.0},{"date":"1995-01-01","value":2529.0},{"date":"1996-01-01","value":2529.0},{"date":"1997-01-01","value":2491.0},{"date":"1998-01-01","value":2431.0},{"date":"1999-01-01","value":2380.0},{"date":"2000-01-01","value":2356.0},{"date":"2001-01-01","value":2361.0},{"date":"2002-01-01","value":2393.0},{"date":"2003-01-01","value":2437.0},{"date":"2004-01-01","value":2484.0},{"date":"2005-01-01","value":2519.0},{"date":"2006-01-01","value":2544.0},{"date":"2007-01-01","value":2561.0},{"date":"2008-01-01","value":2566.0},{"date":"2009-01-01","value":2556.0},{"date":"2010-01-01","value":2528.0},{"date":"2011-01-01","value":2478.0},{"date":"2012-01-01","value":2411.0},{"date":"2013-01-01","value":2338.0},{"date":"2015-01-01","value":2248.0}],"summary":{"latest_period":"2015-01-01","latest_value":2248.0,"max":2566.0,"mean":2428.16,"min":2172.0,"of":191,"rank":178,"trend":"flat"}}