How to say "hierarchy" in Japanese

• 序列じょれつCommon
  nounCovers hierarchy in the sense of a ranking order — who or what comes first, second, and so on. It emphasizes relative rank among people or items, as in the hierarchy within a company or organization.
• 階層かいそうJLPT N1approx.Common
  nounCovers hierarchy in the sense of layers or levels — a stratum within a structure or society, or a tier in a system such as a class hierarchy in computing. It emphasizes the layered structure rather than the ordering itself.
  階層かいそう問題もんだいに対たいする、消費しょうひ社会しゃかい論ろんの著ちょである。↗

  It is a literary work confronting the class problem of a consumer society.

Use 序列 for hierarchy understood as ranking order among people or things, and 階層 for hierarchy understood as layers, levels or strata within a structure or organization.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 序列じょれつrank
• 階層かいそうclass
• ヒエラルキーhierarchy
• ハイアラーキーhierarchy
• 縦たてvertical (relationship)