Information has been prepared on the basis of Projection for powiats, cities with powiat status and subregions for the years 2014-2050 published by the Central Statistical Office on December 23, 2014. Projection for powiats is consistent with projection for voivodships for the years 2014-2050 valid from October 1, 2014. Results for the voivodship are in line with the sum of population sizes in respective powiats of the voivodship, and slight differences result from mathematical roundings. The basis for calculations was population by age, sex and powiats as of December 31, 2013, in administrative division valid on January 1, 2014. Projection for subregions (according to NUTS3 classification valid from January 1, 2015) has been prepared by summing up results of respective powiats. Presented data concerning 2013 are actual ones.