Nyussupova, G. and Kalimurzina, A. 2016. The dynamics of sex-age structure of the population in urban and rural areas in the Republic of Kazakhstan in the years 1991-2013. Bulletin of Geography. Socio-economic Series. 31 (Feb. 2016), 87–111. DOI:https://doi.org/10.1515/bog-2016-0007.