Born in 2021: age, Japanese era & zodiac
Anyone born in 2021 is 5 years old if their birthday has already happened this year, or 4 if it hasn't happened yet.
Current age
As of 2026-07-26:
| Birthday already happened this year | 5 years old |
|---|---|
| Birthday hasn't happened yet this year | 4 years old |
Japanese era (wareki)
2021 falls entirely within Reiwa 3.
Chinese zodiac
2021 is the year of the Ox in the Chinese zodiac.
Key facts
| Birth year | 2021 |
|---|---|
| Japanese era | Reiwa 3 |
| Chinese zodiac | Ox |
| Age in 2026 | 4–5 years old |
Frequently asked questions
What Japanese era is 2021?
2021 falls entirely within Reiwa 3.
What Chinese zodiac animal is 2021?
2021 is the year of the Ox in the Chinese zodiac.