New survey estimates the cumulative number of child deaths The inequality is enormous: Mothers in select African countries are more than 100 times more likely to have had a child die than mothers in high-income countries. This is what Diego Alburez-Gutierrez (Researcher at the Max Planck Institute for Demographic Research (MPIDR) in Rostock, Germany), Emily Smith-Greenaway (Researcher at the USC Dornsife College of Letters, Arts and Sciences in Los Angeles and Guest Researcher at MPIDR), and co-authors found in their recent paper published in BMJ Global Health. "We offer the first global estimates of the cumulative number of child deaths experienced by mothers between the ages of 20 and 49, in 170 countries," said Smith-Greenaway.