Strong associations between demographic parameters characterizing age,
ethnic composition, and migrational processes in the population have
been revealed by means of multivariate methods (correlation and cluste
r analyses; the method of principal components). Formation of the demo
graphic structure of a population has been shown to be related to thes
e associations, their directions and strength. In the long term, these
associations determine features of subdivision (territorial, hierarch
ic, etc.) of the demographic structure of a particular population.