Population: sources and trends.
D000569:Americas; D019352:Censuses; D003625:Data Collection; D003710:Demography; D019049:Developed Countries; D003906:Developing Countries; D004641:Emigration and Immigration; D005544:Forecasting; D009656:North America; D011153:Population; D011154:Population Characteristics; D011157:Population Dynamics; D011158:Population Growth; D012106:Research; D013223:Statistics as Topic; D014171:Transients and Migrants; D014481:United States
Americas; Census; Data Collection; Data Sources; Demographic Factors; Developed Countries; Developing Countries; Estimation Technics; International Migration; Migrants; Migration; North America; Northern America; Population; Population Dynamics; Population Growth; Population Projection; Population Statistics; Research Methodology; United States