Introduction and Summary. Data and time periods covered ; Selected substantive findings -- I. Population distribution. Introduction -- II. Population redistribution. Introduction ; The secessionist south ; The nonsecessionist south ; The northeast region ; The north central region ; The west ; Summary -- III. Occupational change in cohorts, 1920 to 1960. Introduction ; Trends in cohorts : male ; Trends in cohorts : female ; Occupational groups : male ; Occupational groups : female ; Summary -- IV. Changes in broad occupational groups. Introduction ; Income differential ; Occupational distribution ; Summary -- V. Changes in occupational distribution. Introduction ; Detailed occupational categories : male ; Summary ; Detailed occupational categories : female ; Summary -- VI. Education. Introduction ; Years of school completed ; School enrollment ; Progress in school ; Education and migration ; Education and income ; Summary -- VII. Marital patterns and household composition. Introduction ; Marital status by cohorts ; Households with female heads ; Size of families and households ; Household composition ; Summary -- Appendix. A. Index of occupational change ; B. Statistical tables