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How to Say ‘I'm 25 years old.’ in Japanese

25歳です。

25 sai desu

[nijuu-go sai desu]

💬 Usage Tip: To say age, put the number before [歳です]: [18歳です。] or [40歳です。] This pattern is very regular and easy to swap numbers into.

Phrase Breakdown

25

25

[nijuu-go]

25

The number twenty-five. In self-introductions, it is used before 歳 to say age.

Example

私は25です。

I am 25.

歳

sai

[sai]

years old

歳 is the counter used for age in Japanese. It follows a number to express how old someone is.

Example

妹は25歳です。

My younger sister is 25 years old.

です

desu

[desu]

is / am / are

です is a polite sentence ending often used in beginner Japanese. It makes the statement polite and complete.

Example

私は学生です。

I am a student.

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