1. Introduction
-International Sociological Association's project for comparative studies in social stratification and social mobility
2. Phase I: Problems of measuring a system of social stratification
-Occupation, education, income and property as indices to measuring one's social status
-Attempts to develop a synthetic scale of measuring one's social status
3. Phase II: International comparisons of inter-generational social mobility
-Intra-generational mobility and inter-generational mobility
-Forced mobility, pure mobility and mobility de facto
4. Phase III: Quantitative analyses of individuals' status attainment processes
-Longitudinal surveys of each age cohort of respondents
-Analyses of causal nexuses among the factors contributing to one's status attainment