How to say "declaration" in Japanese

• 宣言せんげんJLPT N1approx.Common
  noun, suru verb, transitive verbCovers the general sense of a formal, public declaration or proclamation — official, political, or ceremonial announcements made openly. This is the word closest to the bare noun 'declaration'.
  その植民地しょくみんちは独立どくりつを宣言せんげんした。↗

  The colony declared independence.
• 表明ひょうめいCommon
  noun, suru verb, transitive verbUsed when someone makes their position, attitude, or intentions clear to others; it stresses the act of clarifying where one stands rather than issuing a formal proclamation, as in declaring one's intentions.
  あなたがこの町まちにしてくれた事ことに対たいして心こころからの感謝かんしゃを表明ひょうめいします。↗

  I express my cordial thanks for what you have done for this city.
• 声明せいめいJLPT N1approx.Common
  noun, suru verb, transitive verb, intransitive verbA formal statement issued publicly by a government, organization, or public figure; closer to 'statement' in many cases, it fits official declarations announced to the press or the public.
  彼かれの声明せいめいは疑うたがいの余地よちがない。↗

  His statement admits of no doubt.
• 明言めいげんCommon
  noun, suru verb, transitive verbRefers to stating something clearly and definitively, leaving no room for doubt; it is really about explicit assertion, so it fits 'declaration' only when unambiguous statement is the point.
  政府せいふは減税げんぜいの意向いこうを明言めいげんした。↗

  The government has declared its intention to reduce taxes.
• 公言こうげんCommon
  noun, suru verb, transitive verbOpenly professing or avowing something, typically one's beliefs, convictions, or intentions, in front of others; it matches 'declaration' in the sense of a personal profession rather than an official proclamation.
  彼かれはそのことについて何なんも知しらないと公言こうげんした。↗

  He professed to know nothing about it.

Use 宣言 for formal public declarations and proclamations, 声明 for official statements, 表明 for making one's position or intentions clear, 明言 for stating something definitively, and 公言 for openly professing beliefs.

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

• 宣言せんげんdeclaration
• 表明ひょうめいdeclaration
• 声明せいめいdeclaration
• 明言めいげんdeclaration
• 公言こうげんdeclaration
• 断言だんげんassertion
• 申し立てもうしたてstatement
• 言明げんめいdeclaration
• 陳述ちんじゅつstatement
• 申告書しんこくしょreport
• 告知こくちnotice
• 申告しんこくreport
• 断定だんていconclusion
• 宣言発表せんげんはっぴょうdeclaration
• 道破どうはdeclaration
• 言挙げことあげdeclaration
• 言い切りいいきりaffirmation
• 言伝ことづて(oral) message
• 宣明せんめいstating clearly
• 檄文げきぶんwritten appeal
• 宣言書せんげんしょ(written) declaration