middle class

Noun

in-plural

A social and economic class lying above the working class and below the upper class.

Japanese Meaning

中産階級

Many members of the middle class worry about rising housing costs and stagnant wages.

中産階級の多くの人々は、住宅費の上昇と賃金の停滞を心配しています。

Sense（1）

A social and economic class lying above the working class and below the upper class.

Sense（2）

(in the plural) The groups in society composed of professionals, semi-professionals, and lower to middle managerial level workers.

middle classes

（ plural ）