How to say "economics" in Japanese

Choosing the right word
  • 経済けいざいJLPT N4approx.Common
    nounChiefly the economy itself — prices, growth, jobs — as discussed in news reports and everyday conversation. It can also stand for economics in a general sense, but the precise word for the discipline is 経済学.
    アメリカはサービス経済けいざいの国くにだ。↗
    The U.S. is a service economy.
  • nounA loanword covering economy, economics, and finance, but seldom the word you want for 'economics'; for the academic discipline, 経済学 is the word to reach for.
  • 経済学けいざいがくCommon
    nounEconomics as a field of study: the academic discipline, the subject one studies or researches. Use this when 'economics' names the discipline rather than the economy itself.
    彼かれには多少たしょう経済学けいざいがくの知識ちしきがある。↗
    He has a knowledge of economics.

Use 経済 for the economy itself and economic affairs, 経済学 for economics as an academic discipline, and treat 「エコノミー」 as a loanword that is seldom the right choice for either sense.

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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