{"entity":{"iso2":"ST","iso3":"STP","name":"Sao Tome and Principe","slug":"sao-tome-and-principe"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"measles-number-unvaccinated","source":"WHO & UNICEF (2025); UN, World Population Prospects (2024) \u2013 processed by Our World in Data","source_url":"https://ourworldindata.org/grapher/measles-number-unvaccinated","title":"Number of one-year-olds who are not vaccinated against measles","unit":"one-year-olds"},"observations":[{"date":"1981-01-01","value":2709.0},{"date":"1982-01-01","value":2491.52},{"date":"1983-01-01","value":2226.6},{"date":"1984-01-01","value":1959.88},{"date":"1985-01-01","value":2496.65},{"date":"1986-01-01","value":1648.92},{"date":"1987-01-01","value":1248.37},{"date":"1988-01-01","value":1285.26},{"date":"1989-01-01","value":2344.65},{"date":"1990-01-01","value":1267.3},{"date":"1991-01-01","value":1021.89},{"date":"1992-01-01","value":2169.12},{"date":"1993-01-01","value":1968.97},{"date":"1994-01-01","value":1603.0},{"date":"1995-01-01","value":1187.16},{"date":"1996-01-01","value":1959.08},{"date":"1997-01-01","value":1822.0},{"date":"1998-01-01","value":1860.17},{"date":"1999-01-01","value":1621.8},{"date":"2000-01-01","value":1387.56},{"date":"2001-01-01","value":1126.5},{"date":"2002-01-01","value":742.5},{"date":"2003-01-01","value":703.82},{"date":"2004-01-01","value":495.72},{"date":"2005-01-01","value":670.2},{"date":"2006-01-01","value":853.2},{"date":"2007-01-01","value":812.98},{"date":"2008-01-01","value":414.12},{"date":"2009-01-01","value":597.6},{"date":"2010-01-01","value":477.44},{"date":"2011-01-01","value":530.19},{"date":"2012-01-01","value":464.48},{"date":"2013-01-01","value":547.92},{"date":"2014-01-01","value":509.92},{"date":"2015-01-01","value":441.91},{"date":"2016-01-01","value":435.33},{"date":"2017-01-01","value":609.0},{"date":"2018-01-01","value":297.95},{"date":"2019-01-01","value":293.9},{"date":"2020-01-01","value":834.4},{"date":"2021-01-01","value":1391.5},{"date":"2022-01-01","value":1101.06},{"date":"2023-01-01","value":812.63}],"summary":{"latest_period":"2023-01-01","latest_value":812.63,"max":2709.0,"mean":1196.35,"min":293.9,"of":194,"rank":157,"trend":"volatile"}}