{"entity":{"iso2":"BA","iso3":"BIH","name":"Bosnia and Herzegovina","slug":"bosnia-and-herzegovina"},"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":12981.3},{"date":"2016-01-01","value":12082.6},{"date":"2017-01-01","value":2572.29},{"date":"2018-01-01","value":3117.29},{"date":"2019-01-01","value":3141.71},{"date":"2020-01-01","value":3670.29},{"date":"2021-01-01","value":4071.75},{"date":"2022-01-01","value":3645.6},{"date":"2023-01-01","value":3759.75}],"summary":{"latest_period":"2023-01-01","latest_value":3759.75,"max":12981.3,"mean":5449.17,"min":2572.29,"of":194,"rank":117,"trend":"volatile"}}