みんながみんな

also: みながみな

Meanings

every single one; each and every person

usually written using kana alone

Emphasizes that the statement applies to all members of a group without exception. Often used in negative or critical contexts, such as みんながみんなそうじゃない (not everyone is like that).

みんながみんな賛さん成せいするわけではない。
Not every single person agrees.
みんながみんな同おなじ意い見けんじゃないよ。
Not everybody has the same opinion, you know.