Statistics on population growth, social characteristics, population distribution, employment and income, and ethnic groups are presented in this report. Among the highlights of the report are the following findings: the population grew by three-fourths of one percent during 1974, a slightly higher rate than 1973 but substantially lower than the 1970 rate; half of todays' wives under 25 expect to have a two-child family, whereas one-fourth of the wives in the upper thirties expect to have two children and one-fourth expect to have three; women with no high school training have one or two more children than college graduates; an increasing proportion of households are found to be maintained by a young unmarried adult; school enrollment has increased substantially at all levels except elementary school; close to half of the employed Americans are working in clerical, craft, or operative jobs; the highest rates of unemployment in 1974 were those for workers in the entertainment and recreation services and construction industries; the ratio of black to white family income has been declining as the proportion of families with two or more earners especially those with the wife in the paid labor force has decreased for blacks but increased for whites and, that as compared with whites in 1974, blacks and persons of Spanish origin had less education, were less likely to have voted, had a higher rate of unemployment, and had a larger proportion of employed persons who were blue-collar workers. (Author/AM)