GrammarN22 min read2026-02-17

〜に伴って/に伴い

Grammar pattern expressing how one change brings about another related change

Meaning

に伴って/に伴い indicates that when one thing changes or occurs, another thing naturally follows or changes as a consequence. This pattern expresses a causal relationship where changes are interconnected. It is synonymous with にしたがって and につれて, and is commonly used in formal or written contexts.

Formation

Part of speechFormation
動詞辞書形に伴って/に伴い
名詞に伴って/に伴い

Examples

  1. 都市の急速な人口増加に伴い、公共インフラ・サービスの不足や住宅不足などといった問題が起こっている。
    Accompanying the rapid population increase in cities, problems such as insufficient public infrastructure and services, as well as housing shortages, are occurring.

  2. この港は、輸出入貿易の発展に伴ってますます繁栄している。
    This port is becoming increasingly prosperous as international import-export trade develops.

  3. 参議院議員の任期満了に伴う選挙は、来週行われます。
    The election accompanying the end of House of Councillors members' terms will be held next week.

Summary

  • Expresses how change in one thing causes or brings about change in another thing
  • Can follow verbs in dictionary form or nouns; uses に伴う when directly modifying a noun
  • Formal and polite expression typically used in written language or official contexts

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