{"entity":{"iso2":"TD","iso3":"TCD","name":"Chad","slug":"chad"},"indicator":{"licence":"CC BY-NC-SA 3.0 IGO (WHO)","slug":"hepatitis-b-surface-antigen-hbsag-prevalence-percent","source":"World Health Organization, Global Health Observatory","source_url":"https://www.who.int/data/gho/data/indicators/indicator-details/GHO/SDGHEPHBSAGPRV","title":"Hepatitis B surface antigen (HBsAg) prevalence (%)","unit":null},"observations":[{"date":"2015-01-01","value":5.1},{"date":"2016-01-01","value":4.5},{"date":"2017-01-01","value":3.9},{"date":"2018-01-01","value":3.6},{"date":"2019-01-01","value":3.5},{"date":"2020-01-01","value":3.4},{"date":"2021-01-01","value":3.5},{"date":"2022-01-01","value":3.2},{"date":"2023-01-01","value":2.6},{"date":"2024-01-01","value":2.2}],"summary":{"latest_period":"2024-01-01","latest_value":2.2,"max":5.1,"mean":3.55,"min":2.2,"of":192,"rank":11,"trend":"falling"}}