{"entity":{"iso2":"TO","iso3":"TON","name":"Tonga","slug":"tonga"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"population-age-4-total","source":"UNESCO Institute for Statistics","source_url":"https://data.worldbank.org/indicator/SP.POP.AG04.TO.UN","title":"Population, age 4, total","unit":null},"observations":[{"date":"1990-01-01","value":2696.0},{"date":"1991-01-01","value":2685.0},{"date":"1992-01-01","value":2653.0},{"date":"1993-01-01","value":2609.0},{"date":"1994-01-01","value":2573.0},{"date":"1995-01-01","value":2555.0},{"date":"1996-01-01","value":2560.0},{"date":"1997-01-01","value":2583.0},{"date":"1998-01-01","value":2615.0},{"date":"1999-01-01","value":2637.0},{"date":"2000-01-01","value":2641.0},{"date":"2001-01-01","value":2624.0},{"date":"2002-01-01","value":2588.0},{"date":"2003-01-01","value":2542.0},{"date":"2004-01-01","value":2492.0},{"date":"2005-01-01","value":2445.0},{"date":"2006-01-01","value":2401.0},{"date":"2007-01-01","value":2358.0},{"date":"2008-01-01","value":2323.0},{"date":"2009-01-01","value":2302.0},{"date":"2010-01-01","value":2299.0},{"date":"2011-01-01","value":2317.0},{"date":"2012-01-01","value":2356.0},{"date":"2013-01-01","value":2402.0},{"date":"2015-01-01","value":2450.0}],"summary":{"latest_period":"2015-01-01","latest_value":2450.0,"max":2696.0,"mean":2508.24,"min":2299.0,"of":191,"rank":179,"trend":"falling"}}