Updated daily
View our work on COVID-19 vaccinations

Number of deaths by risk factor, World, 2017

Total annual number of deaths by risk factor, measured across all age groups and both sexes.

02 million4 million6 million8 million10 millionHigh blood pressure10.44 millionSmoking7.1 millionHigh blood sugar6.53 millionAir pollution (outdoor & indoor)4.9 millionObesity4.72 millionOutdoor air pollution3.41 millionDiet high in sodium3.2 millionDiet low in whole grains3.07 millionAlcohol use2.84 millionDiet low in fruits2.42 millionDiet low in nuts and seeds2.06 millionIndoor air pollution1.64 millionDiet low in vegetables1.46 millionLow physical activity1.26 millionUnsafe water source1.23 millionSecondhand smoke1.22 millionLow birth weight1.1 millionChild wasting1.08 millionUnsafe sex1.03 millionPoor sanitation774,241No access to handwashing facility707,248Drug use585,348Low bone mineral density327,314Vitamin-A deficiency232,777Child stunting220,678Non-exclusive breastfeeding160,983Iron deficiency59,882Discontinued breastfeeding10,012