{"entity":{"iso2":"IN","iso3":"IND","name":"India","slug":"india"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"ipv1-number-unvaccinated","source":"WHO & UNICEF (2025); UN, World Population Prospects (2024) \u2013 processed by Our World in Data","source_url":"https://ourworldindata.org/grapher/ipv1-number-unvaccinated","title":"Number of one-year-olds who have not received the inactivated polio vaccine","unit":"one-year-olds"},"observations":[{"date":"2015-01-01","value":24257300.0},{"date":"2016-01-01","value":12797900.0},{"date":"2017-01-01","value":12139100.0},{"date":"2018-01-01","value":5998900.0},{"date":"2019-01-01","value":4274270.0},{"date":"2020-01-01","value":4487560.0},{"date":"2021-01-01","value":4160560.0},{"date":"2022-01-01","value":2047960.0},{"date":"2023-01-01","value":2267610.0}],"summary":{"latest_period":"2023-01-01","latest_value":2267610.0,"max":24257300.0,"mean":8047910.0,"min":2047960.0,"of":194,"rank":1,"trend":"volatile"}}