Statistical analysis of urbanization trends throughout the world in the years 1950 to 1970 - comprises a comparison by country and region of population growth in respect of urban population and rural population, changes in geographic distribution by size of urban areas and rural areas, regional level urbanization rates (incl. In tropical zones and temperate zones), examines the relationship between urban development and economic development and includes projections of future town size up to the year 2000. References and statistical tables.