Japanese grammar

What does ~につき mean? Japanese grammar N2

~につき means due to…; per…; regarding… (formal written style).

Quick facts
Level (estimated, JLPT framework)N2
StructureN + につき
Romajinitsuki
Meaningdue to…; per…; regarding… (formal written style)

Forming it

Unit一人 → 一人につき
Reason工事中 → 工事中につき

How to use it

Three meanings depending on context: reason (announcements), unit price (per unit), and topic (regarding).

  • ① REASON (most common, on signs): 「工事中につき、通行止め」「本日は祝日につき休業」. Only attaches to a noun, not a clause.
  • ② PER UNIT: 「一人につき二枚まで」「一箱につき500円」.
  • ③ REGARDING (formal writing): 「その件につきましては、後日ご連絡します」.
  • Meaning ① is written announcement style — in speech, use 「ので」.

Examples

  • This road is closed due to construction.

  • Samples are limited to two per person.

Keep in mind

  • Only attaches to a noun.
  • Everyday conversation uses 「ので」.

Common mistakes

  • Wrong雨(あめ)が降(ふ)るにつき、試合(しあい)は中止(ちゅうし)です。

    Due to rain, the match was postponed.

    Correct雨(あめ)のため、試合(しあい)は中止(ちゅうし)です。

    「につき」 only attaches to a noun, not a verb clause.

  • Wrong(友達(ともだち)に)用事(ようじ)につき、行(い)けない。

    I have something to do so I can’t go.

    Correct(友達(ともだち)に)用事(ようじ)があるので、行(い)けない。

    In casual conversation, use 「ので」.

Exam tips

  • 「につき」 = due to/per/regarding (written style); only attaches to a noun.

Related patterns

All N2 grammar →