出典:Wiktionary
demographics pl (複数形 only)
statistics―statistology
>geologist.
idiomology
statistics which is related to living
統計.
during the Edo period of Japan, a population census called 'ninbetsu-aratame'
used of distributions, as of statistical or natural populations
statistical data about social life
「demographics」は名詞「demographic」の複数形です