{"entity":{"iso2":"TD","iso3":"TCD","name":"Chad","slug":"chad"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"share-of-children-immunized-dtp3","source":"WHO & UNICEF (2025); UN, World Population Prospects (2024) \u2013 processed by Our World in Data","source_url":"https://ourworldindata.org/grapher/share-of-children-immunized-dtp3","title":"Share of one-year-olds vaccinated against diphtheria, tetanus and pertussis","unit":"%"},"observations":[{"date":"1983-01-01","value":1.0},{"date":"1984-01-01","value":3.0},{"date":"1985-01-01","value":3.0},{"date":"1986-01-01","value":10.0},{"date":"1987-01-01","value":14.0},{"date":"1988-01-01","value":14.0},{"date":"1989-01-01","value":20.0},{"date":"1990-01-01","value":20.0},{"date":"1991-01-01","value":18.0},{"date":"1992-01-01","value":10.0},{"date":"1993-01-01","value":13.0},{"date":"1994-01-01","value":18.0},{"date":"1995-01-01","value":18.0},{"date":"1996-01-01","value":20.0},{"date":"1997-01-01","value":24.0},{"date":"1998-01-01","value":37.0},{"date":"1999-01-01","value":45.0},{"date":"2000-01-01","value":38.0},{"date":"2001-01-01","value":26.0},{"date":"2002-01-01","value":25.0},{"date":"2003-01-01","value":23.0},{"date":"2004-01-01","value":22.0},{"date":"2005-01-01","value":26.0},{"date":"2006-01-01","value":41.0},{"date":"2007-01-01","value":29.0},{"date":"2008-01-01","value":19.0},{"date":"2009-01-01","value":26.0},{"date":"2010-01-01","value":40.0},{"date":"2011-01-01","value":33.0},{"date":"2012-01-01","value":40.0},{"date":"2013-01-01","value":39.0},{"date":"2014-01-01","value":36.0},{"date":"2015-01-01","value":42.0},{"date":"2016-01-01","value":41.0},{"date":"2017-01-01","value":41.0},{"date":"2018-01-01","value":47.0},{"date":"2019-01-01","value":53.0},{"date":"2020-01-01","value":55.0},{"date":"2021-01-01","value":62.0},{"date":"2022-01-01","value":66.0},{"date":"2023-01-01","value":67.0},{"date":"2024-01-01","value":68.0}],"summary":{"latest_period":"2024-01-01","latest_value":68.0,"max":68.0,"mean":30.7857,"min":1.0,"of":194,"rank":174,"trend":"volatile"}}