Translation guide
How to express that something is widely known or not a secret in Japanese.
To say that something is generally known by people, not a secret.
A formal phrase meaning 'a widely known fact'. Often used in news or official contexts.
That is public knowledge.
To emphasize that information is not private or restricted.
Means 'public information'. Used in formal or legal contexts.
To indicate that something has been covered by media and is known to the public.
The direct translation '公共の知識' (こうきょうのちしき) is not natural in Japanese. Use the phrases above instead.
Literally 'open secret', used when something is technically secret but widely known.
His misconduct was an open secret.
A casual way to say 'everyone knows'. Suitable for everyday conversation.
That story is public knowledge.
This data is public knowledge.
Literally 'disclosed information'. Common in business or government settings.
It's public knowledge, so it's okay to talk about it.
The incident is public knowledge.