People or a social group with substantial wealth; the rich segment of the population with high income or assets.
富裕層は税制優遇を受けることが多い。
Wealthy people often receive tax benefits.
あの地区には富裕層が多く住んでいる。
Many wealthy people live in that area.
富裕層向けの高級マンションが次々に建っている。
Luxury condominiums for the wealthy are being built one after another.