{"entity":{"iso2":"US","iso3":"USA","name":"United States","slug":"united-states"},"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":3872930.0},{"date":"1991-01-01","value":3933960.0},{"date":"1992-01-01","value":3985300.0},{"date":"1993-01-01","value":4027160.0},{"date":"1994-01-01","value":4060700.0},{"date":"1995-01-01","value":4086800.0},{"date":"1996-01-01","value":4106320.0},{"date":"1997-01-01","value":4119030.0},{"date":"1998-01-01","value":4123780.0},{"date":"1999-01-01","value":4119000.0},{"date":"2000-01-01","value":4104420.0},{"date":"2001-01-01","value":4078260.0},{"date":"2002-01-01","value":4043250.0},{"date":"2003-01-01","value":4008920.0},{"date":"2004-01-01","value":3987950.0},{"date":"2005-01-01","value":3989020.0},{"date":"2006-01-01","value":4016180.0},{"date":"2007-01-01","value":4065710.0},{"date":"2008-01-01","value":4128790.0},{"date":"2009-01-01","value":4192390.0},{"date":"2010-01-01","value":4246910.0},{"date":"2011-01-01","value":4289520.0},{"date":"2012-01-01","value":4322510.0},{"date":"2013-01-01","value":4347550.0},{"date":"2015-01-01","value":4386420.0}],"summary":{"latest_period":"2015-01-01","latest_value":4386420.0,"max":4386420.0,"mean":4105710.0,"min":3872930.0,"of":191,"rank":4,"trend":"rising"}}