population pyramid

graphical illustration showing distribution of age groups in a population

en-US/ˌpɑpjuˈleɪʃən ˈpɪɹəmɪd/
en-GB/ˌpɒpjʊˈleɪʃən ˈpɪɹəmɪd/

دسته بندی ها:

histogramdemographyage distribution