PLOS Apr 2 2026 A new study tracking global progress on child mortality finds that the world will miss a key United Nations (UN) health target by at least five years at current rates, with the burden falling heavily on Sub-Saharan Africa. The findings were published this week in the open-access journal PLOS One by Min Liu of Peking University, Beijing, China, and colleagues. The UN's Sustainable Development Goal 3.2 calls for all countries to reduce the mortality rate for children under 5 to