How to say "industry" in Japanese

Choosing the right word
  • 産業さんぎょうJLPT N4approx.Common
    nounIndustry as an economic sector: productive and commercial activity viewed collectively, or a branch of it. The word to reach for when 'industry' refers to the economy's industrial side, not a single company or project.
    日本にっぽんは産業さんぎょう国こくである。↗
    Japan is an industrial country.
  • 業界ぎょうかいCommon
    nounThe industry as a social sphere: the world or circles of the people and firms in a given trade. Use it for insiders, competition, or conditions within a field — the sense of English 'the industry'.
    この会社かいしゃは石油せきゆ業ぎょう界かいで2位いに位くらいしている。↗
    This firm ranks second in the oil trade.
  • 実業じつぎょうCommon
    nounCovers 'industry; business' in the sense of practical, wealth-producing enterprise, but it is seldom the word you want for plain 'industry'; for the economic sector use 産業, and for the trade world use 業界.
    それは実業じつぎょう人にんにとって一ひとつの赤信号あかしんごうになる。↗
    It raises a red flag for businessmen.
  • 事業じぎょうJLPT N1approx.Common
    nounA business, enterprise, or venture: a specific undertaking or operation rather than industry as a whole. For the sector sense of 'industry' this is not the word; its real home is 'business' and 'enterprise'.
  • nounThe loanword 'industry'. It turns up mainly in specialized business jargon and is seldom the word you want; for industry as an economic sector, use 産業.

Choose 産業 for industry as an economic sector, 業界 for the business world or insiders of a particular trade, and 事業 for a specific enterprise or venture, while 実業 and 「インダストリー」 are only marginal ways to render plain 'industry'.

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

Japanese equivalents
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JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

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