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The top 10 causes of death


Low-income countries Deaths in millions % of deaths
Lower respiratory infections 1.05 11.3%
Diarrhoeal diseases 0.76 8.2%
HIV/AIDS 0.72 7.8%
Ischaemic heart disease 0.57 6.1%
Malaria 0.48 5.2%
Stroke and other cerebrovascular disease 0.45 4.9%
Tuberculosis 0.40 4.3%
Prematurity and low birth weight 0.30 3.2%
Birth asphyxia and birth trauma 0.27 2.9%
Neonatal infections 0.24 2.6%

Middle-income countries Deaths in millions % of deaths
Ischaemic heart disease 5.27 13.7%
Stroke and other cerebrovascular disease 4.91 12.8%
Chronic obstructive pulmonary disease 2.79 7.2%
Lower respiratory infections 2.07 5.4%
Diarrhoeal diseases 1.68 4.4%
HIV/AIDS 1.03 2.7%
Road traffic accidents 0.94 2.4%
Tuberculosis 0.93 2.4%
Diabetes mellitus 0.87 2.3%
Hypertensive heart disease 0.83 2.2%

High-income countries Deaths in millions % of deaths
Ischaemic heart disease 1.42 15.6%
Stroke and other cerebrovascular disease 0.79 8.7%
Trachea, bronchus, lung cancers 0.54 5.9%
Alzheimer and other dementias 0.37 4.1%
Lower respiratory infections 0.35 3.8%
Chronic obstructive pulmonary disease 0.32 3.5%
Colon and rectum cancers 0.30 3.3%
Diabetes mellitus 0.24 2.6%
Hypertensive heart disease 0.21 2.3%
Breast cancer 0.17 1.9%

World Deaths in millions % of deaths
Ischaemic heart disease 7.25 12.8%
Stroke and other cerebrovascular disease 6.15 10.8%
Lower respiratory infections 3.46 6.1%
Chronic obstructive pulmonary disease 3.28 5.8%
Diarrhoeal diseases 2.46 4.3%
HIV/AIDS 1.78 3.1%
Trachea, bronchus, lung cancers 1.39 2.4%
Tuberculosis 1.34 2.4%
Diabetes mellitus 1.26 2.2%
Road traffic accidents 1.21 2.1%