{"entity":{"iso2":"VN","iso3":"VNM","name":"Viet Nam","slug":"viet-nam"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"polio-number-unvaccinated","source":"Our World in Data","source_url":"https://ourworldindata.org/grapher/polio-number-unvaccinated","title":"Polio number unvaccinated","unit":null},"observations":[{"date":"1983-01-01","value":1694480.0},{"date":"1984-01-01","value":1690130.0},{"date":"1985-01-01","value":690383.0},{"date":"1986-01-01","value":1001180.0},{"date":"1987-01-01","value":984127.0},{"date":"1988-01-01","value":802126.0},{"date":"1989-01-01","value":517018.0},{"date":"1990-01-01","value":210795.0},{"date":"1991-01-01","value":216293.0},{"date":"1992-01-01","value":200905.0},{"date":"1993-01-01","value":163527.0},{"date":"1994-01-01","value":106618.0},{"date":"1995-01-01","value":102933.0},{"date":"1996-01-01","value":97933.5},{"date":"1997-01-01","value":77024.3},{"date":"1998-01-01","value":87257.5},{"date":"1999-01-01","value":96443.1},{"date":"2000-01-01","value":52959.3},{"date":"2001-01-01","value":53240.0},{"date":"2002-01-01","value":109277.0},{"date":"2003-01-01","value":55360.8},{"date":"2004-01-01","value":56003.8},{"date":"2005-01-01","value":84652.9},{"date":"2006-01-01","value":84126.0},{"date":"2007-01-01","value":112732.0},{"date":"2008-01-01","value":102628.0},{"date":"2009-01-01","value":45695.0},{"date":"2010-01-01","value":90829.0},{"date":"2011-01-01","value":59641.6},{"date":"2012-01-01","value":45339.9},{"date":"2013-01-01","value":108531.0},{"date":"2014-01-01","value":63289.8},{"date":"2015-01-01","value":49100.6},{"date":"2016-01-01","value":84426.0},{"date":"2017-01-01","value":98838.8},{"date":"2018-01-01","value":158606.0},{"date":"2019-01-01","value":166319.0},{"date":"2020-01-01","value":293366.0},{"date":"2021-01-01","value":280428.0},{"date":"2022-01-01","value":435382.0},{"date":"2023-01-01","value":566102.0}],"summary":{"latest_period":"2023-01-01","latest_value":566102.0,"max":1694480.0,"mean":292587.0,"min":45339.9,"of":192,"rank":9,"trend":"volatile"}}