Neonatal mortality in East Africa and West Africa: a geographic analysis of district-level demographic and health survey data.

Under-five child mortality declined 47% since 2000 following the implementation of the United Nation's (UN) Millennium Development Goals. To further reduce under-five child mortality, the UN's Sustainable Development Goals (SDGs) will focus on interventions to address neonatal mortality, a major contributor of under-five mortality. The African region has the highest neonatal mortality rate (28.