1. United Nations Statistics Division. Social Indicators. United Nations. Available at: https://unstats.un.org/unsd/demographic/products/socind/
2. UNdata. Popular statistical tables, country (area) and regional profiles United Nations. Available at: https://data.un.org/
3. Demographic Profiles. World Population Prospects. The 2017 Revision. Volume II. New York: United Nations; 2017: 883.
4. Shchepin V.O. The morbidity of population temporary disability in the Russian Federation. Problemy sotsial’noy gigieny, zdravookhraneniya i istorii meditsiny. 2012; (4): 6–9. (in Russian)
5. Izmerov N.F. Concept of long-term social and economic development until 2020 (“Strategy 2020”) and health preservation for workers in Russia. Meditsina truda i promyshlennaya ekologiya. 2012; (3): 1–8. (in Russian)