{"entity":{"iso2":"BT","iso3":"BTN","name":"Bhutan","slug":"bhutan"},"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":"1980-01-01","value":15241.9},{"date":"1981-01-01","value":14548.8},{"date":"1982-01-01","value":14953.8},{"date":"1983-01-01","value":14829.8},{"date":"1984-01-01","value":12900.6},{"date":"1985-01-01","value":10673.7},{"date":"1986-01-01","value":8510.0},{"date":"1987-01-01","value":7004.47},{"date":"1988-01-01","value":5803.8},{"date":"1989-01-01","value":4727.04},{"date":"1990-01-01","value":800.0},{"date":"1991-01-01","value":1806.57},{"date":"1992-01-01","value":2847.9},{"date":"1993-01-01","value":3205.62},{"date":"1994-01-01","value":2781.44},{"date":"1995-01-01","value":2344.02},{"date":"1996-01-01","value":2274.16},{"date":"1997-01-01","value":2073.11},{"date":"1998-01-01","value":2334.45},{"date":"1999-01-01","value":1657.37},{"date":"2000-01-01","value":292.42},{"date":"2001-01-01","value":1722.24},{"date":"2002-01-01","value":1548.25},{"date":"2003-01-01","value":547.88},{"date":"2004-01-01","value":1331.3},{"date":"2005-01-01","value":654.05},{"date":"2006-01-01","value":526.88},{"date":"2007-01-01","value":927.64},{"date":"2008-01-01","value":521.64},{"date":"2009-01-01","value":894.46},{"date":"2010-01-01","value":1008.0},{"date":"2011-01-01","value":626.4},{"date":"2012-01-01","value":375.81},{"date":"2013-01-01","value":376.5},{"date":"2014-01-01","value":249.68},{"date":"2015-01-01","value":243.82},{"date":"2016-01-01","value":349.2},{"date":"2017-01-01","value":339.36},{"date":"2018-01-01","value":321.81},{"date":"2019-01-01","value":296.16},{"date":"2020-01-01","value":378.08},{"date":"2021-01-01","value":190.56},{"date":"2022-01-01","value":195.56},{"date":"2023-01-01","value":195.98}],"summary":{"latest_period":"2023-01-01","latest_value":195.98,"max":15241.9,"mean":3305.28,"min":190.56,"of":194,"rank":172,"trend":"volatile"}}