title: UN projections assume fertility decline, mortality increase.
mesh_terms: D001723:Birth Rate; D003710:Demography; D005298:Fertility; D005544:Forecasting; D007390:International Agencies; D009026:Mortality; D009938:Organizations; D011153:Population; D011156:Population Density; D011157:Population Dynamics; D012106:Research; D013223:Statistics as Topic; D014480:United Nations
keywords: Demographic Factors; Estimation Technics; Fertility; Fertility Decline; International Agencies; Mortality; Mortality Decline; Organizations; Population; Population Dynamics; Population Projection; Population Size; Research Methodology; Summary Report; Un; World