"Figure 2: External causes had a higher proportion of deaths registered in 2021 occurring in 2020 and prior years compared with diseases of the circulatory system ","" "Deaths registered in England in 2021 for selected underlying causes in those aged 15 to 29 years, by year of occurrence of death","" "","" "Notes","1. Figures for England exclude deaths of non-residents. 2. Figures for 2021 are based on provisional mortality data. 3. Deaths records are extracted based on the underlying cause of death, defined using the International Classification of Diseases, tenth revision (ICD-10). 4. Further information on the definition of drug-related deaths is available in the [Deaths related to drug poisoning in England and Wales Quality and Methodology Information](https://www.ons.gov.uk/peoplepopulationandcommunity/birthsdeathsandmarriages/deaths/methodologies/deathsrelatedtodrugpoisoninginenglandandwalesqmi). 5. Further information on the definition of suicide deaths is available in the [Suicide rates in the UK Quality and Methodology Information](https://www.ons.gov.uk/peoplepopulationandcommunity/birthsdeathsandmarriages/deaths/methodologies/suicideratesintheukqmi). 6. Further information on the definition of alcohol-specific deaths is available in the [Alcohol-specific deaths in the UK Quality and Methodology Information](https://www.ons.gov.uk/peoplepopulationandcommunity/healthandsocialcare/causesofdeath/methodologies/alcoholrelateddeathsintheukqmi)." "Unit","Percentage " "","" "Underlying cause of death","2021","2020","2019","2018","2017 and earlier" "All causes","56.5","32.3","8.5","2.0","0.7" "Land transport accidents","22.1","57.2","14.8","4.1","1.7" "Accidental poisoning","32.5","51.0","11.2","3.3","1.9" "Homicide and probable homicide","40.7","29.6","20.8","4.0","4.9" "Suicide and injury/poisoning of undetermined intent","38.7","47.1","11.2","2.5","0.4" "Diseases of the circulatory system","79.3","18.3","2.5","0.0","0.0"