This revised edition of Palmore and Gardner’s popular introductory textbook presents elementary measures used in demographic analysis, beginning with rates, ratios, percentages, and probabilities and proceeding to the crude death rate and age-specific death rates, standardized rates, the infant mortality rate, the life table, the crude birth rate and age-specific fertility rates, the general fertility rate, total fertility rate, gross and net reproduction rates, period and cohort fertility measures, and the analysis of birth intervals.