Translation guide
This entry covers how to express 'internal affairs' in Japanese, ranging from domestic politics and government to internal matters within organizations. The most common and direct equivalent is 内政, but other terms like 内部事情 and 内務 are used in specific contexts.
Referring to the domestic or internal political matters of a country, as opposed to foreign affairs.
The standard term for a nation's internal or domestic affairs, especially in political contexts. Often used in contrast with 外交 (foreign affairs).
We should not interfere in internal affairs.
He has extensive experience in domestic affairs.
Literally 'domestic problems/issues'. Used when emphasizing problems or issues within a country.
The country is facing internal affairs problems.
Refers to internal or domestic affairs, often used in historical or administrative contexts (e.g., Ministry of Home Affairs). Less common in modern general usage.
The Ministry of Home Affairs is in charge of domestic administration.
Referring to the internal affairs, matters, or workings of a company, group, or institution.
Refers to the internal circumstances or affairs of an organization. Commonly used when discussing matters not publicly known.
I'm familiar with the company's internal affairs.
You must not leak internal affairs to outsiders.
Literally 'internal problems'. A straightforward way to refer to issues within an organization.
Refers to the internal state or affairs of an organization, often implying confidential or behind-the-scenes information.
Referring specifically to a division within a police force that investigates misconduct by officers.
The standard term for an internal affairs division in Japanese police forces. Literally 'Inspector's Office'.
The officer is under investigation by Internal Affairs.
A more general term for internal inspection or oversight, sometimes used for internal affairs functions.
Internal affairs in the police is important.
内政 is used for national-level domestic politics, while 内部事情 is used for internal matters of organizations. Do not use 内政 for a company's internal affairs.
The literal translation '内部の事柄' is not idiomatic. Use 内部事情 or 内政 depending on context.
This is an internal affair, so I can't discuss it outside.
会社の内情を探る。
To investigate the company's internal affairs.