noun
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.
政府は低所得層への支援を拡充する方針だ。
The government plans to expand support for low-income groups.
低所得層の子どもたちに教育の機会を提供する。
Provide educational opportunities for children from low-income families.
Compound of 低 (low), 所得 (income), and 層 (stratum, layer). A straightforward modern term.