{"chart":{"title":"Share of deaths registered with an ill-defined cause of death","subtitle":"Ill-defined causes of death are causes that are not specific or refer to symptoms rather than an underlying cause. The total number of deaths is estimated using data from household surveys and censuses.","note":"All deaths in a country may not have been registered with a cause of death.","citation":"WHO Mortality Database (2026)","originalChartUrl":"https://ourworldindata.org/grapher/deaths-registered-with-an-ill-defined-cause-of-death","selection":["United States","South Korea","South Africa","Malaysia","Canada","Philippines","Poland","Egypt","Sri Lanka","Spain","Greece","Uruguay","Ukraine"]},"columns":{"Ill-defined diseases — Share of total deaths — Both sexes, all ages":{"titleShort":"Share of deaths that are from ill-defined diseases","titleLong":"Share of deaths that are from ill-defined diseases","descriptionShort":"Share of all reported deaths that are from ill-defined diseases, based on the underlying cause listed on death certificates.","descriptionKey":"The International Classification of Diseases (Version 10) codes that define ill-defined diseases are R00-R94, R96-R99.","descriptionProcessing":"","shortUnit":"%","unit":"%","timespan":"1950-2024","type":"Numeric","owidVariableId":1348116,"shortName":"share_of_deaths__sex_both_sexes__age_group_all_ages__cause_ill_defined_diseases","lastUpdated":"2026-10-13","nextUpdate":"2027-03-12","citationShort":"WHO Mortality Database (2026) – with minor processing by Our World in Data","citationLong":"WHO Mortality Database (2026) – with minor processing by Our World in Data. “Share of deaths that are from ill-defined diseases – WHO” [dataset]. WHO Mortality Database, “WHO Mortality Database” [original data].","fullMetadata":"https://api.ourworldindata.org/v1/indicators/1348116.metadata.json"}},"dateDownloaded":"2026-10-31"}