{"entity":{"iso2":"CM","iso3":"CMR","name":"Cameroon","slug":"cameroon"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"polio-number-unvaccinated","source":"WHO & UNICEF (2025); UN, World Population Prospects (2024) \u2013 processed by Our World in Data","source_url":"https://ourworldindata.org/grapher/polio-number-unvaccinated","title":"Number of one-year-olds who are not vaccinated against polio","unit":"one-year-olds"},"observations":[{"date":"1981-01-01","value":319210.0},{"date":"1982-01-01","value":295844.0},{"date":"1983-01-01","value":270516.0},{"date":"1984-01-01","value":272391.0},{"date":"1985-01-01","value":243015.0},{"date":"1986-01-01","value":222920.0},{"date":"1987-01-01","value":222610.0},{"date":"1988-01-01","value":201073.0},{"date":"1989-01-01","value":193636.0},{"date":"1990-01-01","value":197941.0},{"date":"1991-01-01","value":237682.0},{"date":"1992-01-01","value":284130.0},{"date":"1993-01-01","value":304145.0},{"date":"1994-01-01","value":272200.0},{"date":"1995-01-01","value":257865.0},{"date":"1996-01-01","value":276506.0},{"date":"1997-01-01","value":260709.0},{"date":"1998-01-01","value":235138.0},{"date":"1999-01-01","value":215310.0},{"date":"2000-01-01","value":226969.0},{"date":"2001-01-01","value":211309.0},{"date":"2002-01-01","value":188474.0},{"date":"2003-01-01","value":159585.0},{"date":"2004-01-01","value":165118.0},{"date":"2005-01-01","value":128274.0},{"date":"2006-01-01","value":138833.0},{"date":"2007-01-01","value":123304.0},{"date":"2008-01-01","value":119822.0},{"date":"2009-01-01","value":143402.0},{"date":"2010-01-01","value":118983.0},{"date":"2011-01-01","value":142987.0},{"date":"2012-01-01","value":160005.0},{"date":"2013-01-01","value":184777.0},{"date":"2014-01-01","value":180464.0},{"date":"2015-01-01","value":191576.0},{"date":"2016-01-01","value":181359.0},{"date":"2017-01-01","value":220385.0},{"date":"2018-01-01","value":268534.0},{"date":"2019-01-01","value":273514.0},{"date":"2020-01-01","value":276782.0},{"date":"2021-01-01","value":253158.0},{"date":"2022-01-01","value":334889.0},{"date":"2023-01-01","value":231656.0}],"summary":{"latest_period":"2023-01-01","latest_value":231656.0,"max":334889.0,"mean":218767.0,"min":118983.0,"of":194,"rank":25,"trend":"falling"}}