How to Say “My Age Is” in Japanese

私の年齢は
watashi no nenrei wa
In Japanese, "my age is" is expressed as 私の年齢は (watashi no nenrei wa).
The phrase 私の年齢は is used to introduce the number of years a person has lived. It is most commonly used in formal contexts, such as during official introductions or when filling out forms.

Which one should you use?

There is a distinction between the noun and the counter. While 年齢 (nenrei) is a noun meaning "age", the term 歳 (sai) is a counter used directly after a number to state how many years old someone is.

Is there a formal and an informal way to say it?

The term 年齢 (nenrei) is more formal and clinical than common conversational ways to state age. For casual or informal situations, you might use the forms Ore wa __歳だ or Boku wa __歳だ.

How do you pronounce it?

watashi no nenrei wa

Did you know?

  • In many historical contexts, Japanese age was calculated using the 'kazoedoshi' system, where a person is considered one year old at birth. Although the modern system is standard, you may still hear references to this older way of counting.
  • When using the counter 歳 (sai) for age, certain numbers like 20 can change the way you speak. Instead of just saying the number, people often use the special word 二十歳 (hatachi) to denote being twenty years old.
  • When asking someone's age in a professional setting, you should avoid using the word 年齢 (nenrei) directly. Using it can sound too much like an interrogation, so instead, people use more indirect, polite phrasing to show respect.

Example conversation

Hime and Ren are filling out a registration form together.

  1. 陽葵 Himari

    ここに年齢を書いてください。
    Koko ni nenrai o kaite kudasai.
    Please write your age here.
  2. 蓮 Ren

    わかりました。私の年齢は二十歳です。
    Wakarimashita. Watashi no nenrai wa hatachi desu.
    I understand. My age is twenty.
  3. 陽葵 Himari

    ありがとうございます。蓮さんは若いですね。
    Arigatō gozaimasu. Ren-san wa wakai desu ne.
    Thank you. You are young, Ren.
  4. 蓮 Ren

    そうだと思います。
    Sō da to omoimasu.
    I think so too.
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Elliot Herbert
Elliot HerbertHelp make this guide better. Spot a mistake, know another way to say it, or have an example from real life? Share it below.
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