noun
world peace; everyone living peacefully together
A somewhat formal or literary compound expressing the ideal of universal peace and harmony among all people.
万民太平の世を願う。
I wish for a world where all people live in peace.
この寺の扁額には「万民太平」と書かれている。
The temple plaque reads 'World Peace for All'.
天下太平 also means 'peace under heaven' or 'world peace', but is more common and idiomatic. 万民太平 explicitly emphasizes peace for all people (万民).
Compound of 万民 (banmin, 'all people') and 太平 (taihei, 'peace'). The exact historical derivation is uncertain; it is a Sino-Japanese term expressing the ideal of universal peace.