Deaths by risk factor for under-5s, World, 2019

The estimated number of deaths, attributed to each risk factor, in people aged under five years old. Risk factors are not mutually exclusive: people may be exposed tomultiple risk factors, and the number of deaths caused by each risk factor is calculated separately.

Low birth weight1.7 millionChild wasting874,543Household air pollution457,920Unsafe water source419,222Poor sanitation279,618No access to handwashing facility255,025Outdoor air pollution233,454Child stunting164,237Non-exclusive breastfeeding139,732Secondhand smoke46,580Discontinued breastfeeding7,788High blood sugar2,768