{"entity":{"iso2":"MN","iso3":"MNG","name":"Mongolia","slug":"mongolia"},"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":7810.46},{"date":"1981-01-01","value":8057.84},{"date":"1982-01-01","value":8202.04},{"date":"1983-01-01","value":8364.44},{"date":"1984-01-01","value":8559.32},{"date":"1985-01-01","value":8796.34},{"date":"1986-01-01","value":9078.02},{"date":"1987-01-01","value":9399.46},{"date":"1988-01-01","value":9022.13},{"date":"1989-01-01","value":9159.41},{"date":"1990-01-01","value":9020.05},{"date":"1991-01-01","value":14767.7},{"date":"1992-01-01","value":29798.3},{"date":"1993-01-01","value":13120.8},{"date":"1994-01-01","value":13864.2},{"date":"1995-01-01","value":8151.78},{"date":"1996-01-01","value":5635.2},{"date":"1997-01-01","value":4366.96},{"date":"1998-01-01","value":3168.72},{"date":"1999-01-01","value":3051.78},{"date":"2000-01-01","value":2911.2},{"date":"2001-01-01","value":2379.45},{"date":"2002-01-01","value":961.98},{"date":"2003-01-01","value":965.38},{"date":"2004-01-01","value":483.71},{"date":"2005-01-01","value":487.14},{"date":"2006-01-01","value":991.54},{"date":"2007-01-01","value":512.19},{"date":"2008-01-01","value":2690.8},{"date":"2009-01-01","value":2300.44},{"date":"2010-01-01","value":2496.52},{"date":"2011-01-01","value":673.88},{"date":"2012-01-01","value":675.55},{"date":"2013-01-01","value":1359.2},{"date":"2014-01-01","value":732.39},{"date":"2015-01-01","value":768.59},{"date":"2016-01-01","value":780.49},{"date":"2017-01-01","value":777.93},{"date":"2018-01-01","value":761.42},{"date":"2019-01-01","value":1505.08},{"date":"2020-01-01","value":2254.23},{"date":"2021-01-01","value":2950.04},{"date":"2022-01-01","value":3548.4},{"date":"2023-01-01","value":2037.36}],"summary":{"latest_period":"2023-01-01","latest_value":2037.36,"max":29798.3,"mean":5168.18,"min":483.71,"of":194,"rank":142,"trend":"volatile"}}