title: [The process of the aging of the population:  its nature, causes, and socioeconomic consequences].
mesh_terms: D000328:Adult; D017677:Age Distribution; D000367:Age Factors; D000368:Aged; D002031:Bulgaria; D003710:Demography; D003858:Dependency, Psychological; D019049:Developed Countries; D004467:Economics; D004526:Efficiency; D005060:Europe; D005061:Europe, Eastern; D006280:Health Workforce; D011153:Population; D011154:Population Characteristics; D011157:Population Dynamics; D012959:Socioeconomic Factors
keywords: Adult; Age Distribution--changes; Age Factors; Aged; Bulgaria; Demographic Aging; Demographic Factors; Dependency Burden; Developed Countries; Eastern Europe; Economic Development; Economic Factors; Europe; Human Resources; Microeconomic Factors; Population; Population Characteristics; Population Dynamics; Productivity; Socioeconomic Factors
vernacular_title: Protsesat "stareene" na naselenieto:  sashchnost, prichini i sotsialno-ikonomicheski otrazheniya