Introduction. The basic theoretical and methodological approaches to the study of the social well-being of the population of megacities as an integral indicator. as well as current trends in the development of new diagnostic methods are considered. The experience of empirical sociological research is presented. https://www.bekindtopets.com/super-value-Crushed-Turquoise-iPhone-14-Pro-Max-MagSafe-Case-p82210-mega-value/