生産 せいさん年齢 ねんれい人口 じんこうでしょう
seisan nenreijinkōdeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 生産年齢人口

1. Probably the working-age population.; Likely the productive population.

Polite
Presumptive
Conjecture