に伴(ともな)い

にともない
expression
accompanying, along with
1. accompanying, along with, as ~ happens
Indicates that something occurs or changes together with something else. Often implies a causal or consequential relationship.
人口(じんこう)増加(ぞうか)に伴(ともな)い、住宅(じゅうたく)不足(ふそく)が深刻(しんこく)になった。
Along with the population increase, the housing shortage has become serious.
技術(ぎじゅつ)の発展(はってん)に伴(ともな)い、生活(せいかつ)が便利(べんり)になった。
With the advancement of technology, life has become more convenient.
年齢(ねんれい)に伴(ともな)い体力(たいりょく)が衰(おとろ)える。
Physical strength declines with age.

REGISTER: Formal, commonly used in written language and formal speech.

FORMATION: に + 伴(ともな)い (from 伴(ともな)う 'to accompany'). The い ending is the conjunctive form.

RELATED FORMS:

  • に伴(ともな)って: slightly less formal conjunctive form
  • に伴(ともな)う + noun: prenominal form (変化(へんか)に伴(ともな)う問題(もんだい) 'problems accompanying change')

COMMON COLLOCATIONS:

  • 変化(へんか)に伴(ともな)い (along with change)
  • 増加(ぞうか)に伴(ともな)い (with the increase)
  • 発展(はってん)に伴(ともな)い (with development)
  • 高齢化(こうれいか)に伴(ともな)い (with aging population)

NOTE: Often used to describe social, economic, or technological changes and their effects.

Related Words

Related: 伴(ともな)う (base verb)
general
Added 2026.1.18 16:17 · Revised 2026.2.19 21:42
06500/06804_nitomonai