Nigeria is being the top country by maternal deaths in the world. As of 2015, maternal deaths in Nigeria was 58,000 number that accounts for 19.17 % of the world's maternal deaths. The top 5 countries (others are India, Democratic Republic of the Congo, Ethiopia, and Pakistan) account for 48.16 % of it. The world's total maternal deaths was estimated at 302,524 number in 2015.
Maternal mortality deaths is the number of women who die during pregnancy and childbirth.