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Animation showing population changes in the largest cities in Poland from 1921 to 2050. In the years 1921-1994, data from censuses and city chronicles were used. In the years 1995-2020, data from the Central Statistical Office was used. In the years 2021-2050, a demographic forecast made in 2014 by the Central Statistical Office was used. If you liked the film, be sure to leave a sub and a thumbs up. data: https://stat.gov.pl and censuses music: https://www.bensound.com