Translation guide
The number 20, expressed in Japanese as にじゅう (nijū) in most contexts. Age 20 is culturally significant as the age of adulthood in Japan.
Standard way to say twenty. Used in counting, math, and most contexts.
There are twenty of them.
Please open to page twenty.
Arabic numerals are very common in horizontal writing, especially in technical or informal contexts.
I'm twenty years old.
Rare kanji for twenty, sometimes seen in traditional contexts or dates.
the twentieth day of the month
Referring to the age of twenty, especially in the context of adulthood and the Coming of Age ceremony.
Referring to the 20th day of a month.
When saying 'twenty years old', use 二十歳 (はたち). The regular reading にじゅっさい is rarely used and may sound unnatural. For other ages, use ~歳 (さい), e.g., 二十一歳 (にじゅういっさい) for 21.
When counting objects, use the counter appropriate to the object. For example, 二十個 (にじゅうこ) for small items, 二十人 (にじゅうにん) for people, 二十冊 (にじゅうさつ) for books.
I attended the Coming of Age ceremony.