年齢・年令|ねんれいnenrei[0]heiban (flat)

1. nounage; years
   おじいさんの年齢ねんれいは僕ぼくの年齢ねんれいの５倍ばいだ。↗

   My grandfather is five times as old as I am.

• Synonym年としNeutralCommon in speech for a person's age, as in 「年を取る」 and 「年はいくつ？」; also means a calendar year. 「年齢」 sounds more formal.
• Synonym齢よわいWrittenA literary word for age, as in 「齢八十を重ねる」; found mainly in writing, not used in daily conversation.
• Related年頃としごろNeutralAn approximate age, or the age of adolescence or marriageability, as in 「年頃の娘」; not an exact figure.
• Related年代ねんだいNeutralAn era, decade, or age group, as in 「同年代」 and 「80年代」; points to a range rather than a specific age.
• Related年端としはWrittenMostly in the phrase 「年端もいかない」, meaning still very young; seldom used on its own.
• Related馬齢ばれいWrittenA humble way to give your own age, as in 「馬齢を重ねる」, implying years idled away; never used of others.
• Related年紀ねんきWrittenAn old written word for years or age; almost never used today—just say 「年齢」.

Use 「年齢」 in formal contexts and on forms; in everyday speech say 「年」. For an approximate or marriageable age use 「年頃」, for an age group or decade 「年代」, and to refer humbly to your own age 「馬齢」.

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

1. 生うまれてから経たった年数ねんすう。人ひとや動植物どうしょくぶつのほか、星ほしなどにも用もちいる。