To further an explanation of the post-1970 United States demographic phenomenon of increased population for non-metropolitan areas, the relationship of 3 ecological phenomena to non-metropolitan net migration rates between the 1960's and the 1970's is examined for a random stratified sample of 380 United States non-metropolitan counties (primarily…

The dramatic changes in Bulgaria's agriculture, labor structure, and demography caused by the establishment of socialism in the country in the mid-1940s have resulted in changing mechanisms of youth socialization. Industrialization and agricultural consolidation precipitated a rural-urban migration boom and a resulting higher education level,…

Three issues are discussed in the beginning of this paper: general trends of urban population growth among blacks since 1930, regional variations in growth and distribution from 1950 to 1970, and urban growth and metropolitanization. The remainder of the paper examines the growth of the black urban population by size of place from 1950 to 1970.…