@article{Wang2020,
author = {Wang, H.D. and Abbas, K.M. and Abbasifard, M. and Advani, S.M. and et al.},
title= {Global age-sex-specific fertility, mortality, healthy life expectancy (HALE), and population estimates in 204 countries and territories},
year = {2020},
doi = {10.1016/S0140-6736(20)30977-6},
volume = {396},
number = {10258},
pages = {1160--1203},
}