Demographic analysis
Introduction
Demographic indices usually refer to cohorts, the set of people born in a certain period. A very common way to graphically represent the size of different cohorts at a given time is the population pyramid. Longitudinal cohort analysis and comparisons between cohorts are also very illustrative of [[population] dynamics.
Demographic indicators are statistics that are used to describe and analyze the characteristics of a population at a certain time and place. These indicators include: