Demography Social sciences 60 Population 46 Research 21 Sociology 18 Statistics 18 Social policy 16 Aging 15 Public health 14 Economics 10 Methodology 10 Mathematical models 9 Migration 9 Epidemiology 8 Quality of life 8 Geography 6 Medicine 6 Target marketing 6 Geriatrics 5 Human geography 5 Mathematical statistics 5 Population biology 5 Regional planning 5 Anthropology 4 Consumer behavior 4 Labor economics 4 Marketing research 4 Developmental psychology 3 Economic policy 3 Emigration and immigration 3