noun
cultural standard; moral standard; social manners
Refers to the general level of culture, morality, and public behavior of a people or community. Often used in discussions comparing societies or evaluating public conduct.
この国の民度の高さには驚かされる。
I am amazed by the high cultural standard of this country.
民度が低いと、公共の場でのマナーが悪くなる。
When the moral standard is low, public manners deteriorate.
noun
standard of living
A less common usage, sometimes overlapping with 生活水準. May appear in older or formal texts.
戦後、民度の向上が急務とされた。
After the war, improving the standard of living was considered an urgent task.
Compound of 民 (people) and 度 (degree, standard). The exact origin is uncertain, but it likely emerged in modern Japanese to express the concept of a people's cultural or moral level.