title: [Aspects of population structure changes].
abstract: The author discusses polarization and disproportion as aspects of population change in Bulgaria.  These factors are calculated on the basis of age, sex, and regional variations for the period 1920-1985 using census data. "The link of polarization and disproportion with some demographic processes and phenomena is revealed with the help of regression-correlation analysis."  (SUMMARY IN ENG AND RUS)
authors.forename: N
authors.initials: N
authors.lastname: Tsekov
mesh_terms: D000367:Age Factors; D002031:Bulgaria; D003710:Demography; D019049:Developed Countries; D005060:Europe; D005061:Europe, Eastern; D005843:Geography; D011153:Population; D011154:Population Characteristics; D011157:Population Dynamics; D012106:Research; D012737:Sex Factors
keywords: Age Factors; Bulgaria; Demographic Analysis; Demographic Factors; Developed Countries; Eastern Europe; Europe; Geographic Factors; Population; Population Characteristics; Population Dynamics; Research Methodology; Sex Factors