30. Razumovsky, V.M. (ed.) (2017). Russian Baltic and the Baltic region. SPb.: St. Petersburg State University of Economics, 280. (In Russian)
31. Rocznik Statystyczny Wojewddztw (2022). Warsaw: Glowny Urz^d Statystyczny, 254. Rosinfostat (2023). Population of Latvia. Available at: https://rosinfostat.ru/naselenie- latvii/ [Accessed 06.08.2023].(In Russian)
32. Rosstat (2023a). Demography. Available at: https://rosstat.gov.ru/folder/12781 [Accessed 24.07.2023].
33. Rosstat (2023b). Resident population as of January 1. Available at: https://fedstat.ru/indicator/31557$ [Accessed 24.07.2023].
34. Shibaeva, E.I. (2019). Disappearing Baltic: demographic situation in Latvia, Lithuania and Estonia. Post-Soviet mainland, 4, 41 - 53. (In Russian)
35. Sluka, N.A., Ivanov, D.S. (2014). Demographic ratings of the countries of the Baltic region. Baltic region, 2, 29-45. https://doi.org/10.5922/2074-9848-2014-2-2 (In Russian)
36. Stefanski, M. (2021). Perspektywy demograficzne w Polsce - diagnoza na podstawie wybranych wskaznikow okreslajqcych jakosc zycia Polakow. PrzeglqdPolicyjny, 2,27 - 47. https://doi.org/10.5604/01.3001.0015.2495
37. Sundqvist, E. (2023). Demographic challenges in regional development: A study of regional political leadership in Sweden and Finland. Regional & Federal Studies, 3, 287 - 305.
38. Svspb.net (2023a). Information about Denmark. Available at: https://svspb.net/danmark/ [Accessed 06.08.2023]. (In Russian)
39. Svspb.net (2023b). Information about Finland Available at: https://svspb.net/suomi/ [Accessed 06.08.2023]. (In Russian)
40. Svspb.net (2023c). Information about Sweden. Available at: https://svspb.net/sverige/ [Accessed 06.08.2023]. (In Russian)
41. Tarasov, I.N., Fedorov. G.M. (ed.) (2020). Kaliningrad region in the new coordinates of the Baltic geopolitics. Kaliningrad: IKBFU, 300. (In Russian)
42. United Nations (2023). Rating of countries in the world by life expectancy. Available at https://gtmarket.ru/ratings/life-expectancy-index [Accessed 24.07.2023]. (In Russian)
43. Verkulevichiute-Krukiene, D., Buciene, A., Czepiene, E. (2021). Depopulation of coastal Lithuanian rural areas - can the demographic situation be stabilized thanks to regional parks? Baltic region., 2, 90-111. https://doi.org/10.5922/2079-8555-2021-2-5. (In Russian)
44. Zhitin, D.V., Krasnov, A.I., Shendrik, A.V. (2016). Geographic features of migration links in Europe. Baltic region, 3, 75-92. https://doi.org/10.5922/2074-9848-2016-3-5 (In Russian)
45. Zvidrins, P. (2009). Depopulation in the Baltic States. Popconf.org. Доступно на: https://ipc2009.popconf.org/papers/91919 (Дата доступа 26.07.2023).