The occupational mobility of U.S. men from generation to generation was measured using data from two large surveys carried out by the U.S. Bureau of the Census in 1962 and again in 1973. The results are presented in nine tables, with accompanying discussion: (1) Mobility from Fathers (or other Family head) Occupation to Current Occupation...(2) Mobility from Fathers...Occupation to Current Occupation: Black U.S. men in the Experienced Civil Labor Force aged 20 to 64 in 1962 and 1973; (3) Average increase in the socioeconomic status of a mans' occupation associated with a unit increase in the social status of his fathers'...Occupation: U.S. men...by age and race, 1962 and 1973; (4) Effects of Social background on occupational status: U.S. men...by race, 1962 and 1973; (5) Effects of Schooling and Social Background on Occupational Status...by race, 1962 and 1973; (6) Average increase in the Socioeconomic Status of a mans' Occupation associated with an additional year of schooling...by age and race, 1962 and 1973; (7) Average Levels of fathers' and sons educational attainment and Occupational status...by race 1962 and 1973; (8) Sources of Change from 1962 to 1973 in the status of occupations by race... (9) Sources of Racial Differences in the status of Occupations in 1962 and 1973. (JM)