{"entity":{"iso2":"TO","iso3":"TON","name":"Tonga","slug":"tonga"},"indicator":{"licence":"CC BY-NC-SA 3.0 IGO (WHO)","slug":"inactivated-first-dose-polio-vaccine-ipv1-immunization-coverage-among-1-year-olds-percent","source":"World Health Organization, Global Health Observatory","source_url":"https://www.who.int/data/gho/data/indicators/indicator-details/GHO/VACCINECOVERAGE_IPV1","title":"Inactivated first-dose polio vaccine (IPV1) immunization coverage among 1-year-olds (%) (WUENIC)","unit":null},"observations":[{"date":"2015-01-01","value":34.0},{"date":"2016-01-01","value":96.0},{"date":"2017-01-01","value":99.0},{"date":"2018-01-01","value":99.0},{"date":"2019-01-01","value":99.0},{"date":"2020-01-01","value":99.0},{"date":"2021-01-01","value":99.0},{"date":"2022-01-01","value":99.0},{"date":"2023-01-01","value":99.0},{"date":"2024-01-01","value":99.0},{"date":"2025-01-01","value":94.0}],"summary":{"latest_period":"2025-01-01","latest_value":94.0,"max":99.0,"mean":92.3636,"min":34.0,"of":194,"rank":91,"trend":"rising"}}