{"entity":{"iso2":"MN","iso3":"MNG","name":"Mongolia","slug":"mongolia"},"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":"2019-01-01","value":29349.1},{"date":"2020-01-01","value":6762.69},{"date":"2021-01-01","value":3687.55},{"date":"2022-01-01","value":4258.08},{"date":"2023-01-01","value":2716.48}],"summary":{"latest_period":"2023-01-01","latest_value":2716.48,"max":29349.1,"mean":9354.77,"min":2716.48,"of":194,"rank":123,"trend":"volatile"}}