[THE LONG-TERM TRENDS OF MAIN MEDICAL DEMOGRAPHIC INDICATORS OF THE REPUBLIC OF TATARSTAN: THE METHODICAL APPROACH TO STUDYING PROCESSES AT THE LEVEL OF THE REGIONS].

The article presents dynamic indicators of the medical demographic process in the Republic of Tatarstan in 1990-2023: number of births and deaths per 1000 population, age-specific fertility rates and fertility rate prognosis, infant and maternal mortality, life expectancy, primary morbidity, genitourinary morbidity. The trends in this area are analyzed considering two periods: pre-COVID period (1990-2019) and COVID-19 pandemic and its consequences (2020-2023). The study of long-term trends in the field of demography has scientific and practical basis and can be applied in developing methods to evaluate population reproductive potential and to build prognostic estimates in demographic sphere. The obtained results and conclusions can be applied, expanded and specified as methodical apparatus for studying demographic processes at the regional level.