low-income group; low-income class
Refers to a socioeconomic stratum with low income. Often used in discussions of social policy, welfare, and economic inequality.
The government plans to expand support for low-income groups.
Provide educational opportunities for children from low-income families.
低所得層 focuses narrowly on income level, while 貧困層 emphasizes the hardship and social condition of poverty.
Compound of 低 (low), 所得 (income), and 層 (stratum, layer). A straightforward modern term.