In the 2018 estimates, approximately 6.3 million children and adolescents under the age of 15 died in 2017, mostly from preventable causes

. Of these deaths, 5.4 million occurred in children under the age of 5, with 2.5 million dying in the first month of life, 1.6 million between 1 and 11 months, and 1.3 million between 1 and 4 years old

. Additionally, about 0.9 million deaths occurred among children aged 5 to 14 years

. Thus, the total number of deaths among children and adolescents under 15 years was 6.3 million in the 2018 report based on 2017 data.