See also the number of migrants for this country.
Sources - What is a population pyramid?
- Keywords: demography, population pyramid, age pyramid, aging, retirement, Bulgaria, 2017.
Blog - Follow us on Twitter - Buy a poster - Contact us by email
© December 2019 by PopulationPyramid.net, made available under a Creative Commons license CC BY 3.0 IGO: http://creativecommons.org/licenses/by/3.0/igo/