Birth year lookup
Born in 2021? Here's how old that makes you.
Age depends on whether this year's birthday has happened yet. Both possibilities are below, along with the 2021generation and common birthday milestones.
2021 at a glance
Generation
Generation Alpha
2013-2024
The first generation born fully into app-first, AI-assisted daily life.
Decade
The 2020s
2021 was part of the 2020s, a range that shapes how 2021-born people are often grouped alongside the Generation Alpha.
Birthday milestones for 2021
Calendar years when someone born in 2021 reaches common milestone ages.
| Milestone age | Calendar year |
|---|---|
| 16th birthday | 2037 |
| 18th birthday | 2039 |
| 21th birthday | 2042 |
| 30th birthday | 2051 |
| 40th birthday | 2061 |
| 50th birthday | 2071 |
| 65th birthday | 2086 |
Born in 2021 FAQ
How old am I in 2026 if I was born in 2021?
You are 5 years old in 2026 if your birthday has already happened this year, or 4 if it hasn't happened yet. For an exact answer including your specific birthday, use the age calculator.
What generation is 2021?
2021 falls in the Generation Alpha (2013-2024). The first generation born fully into app-first, AI-assisted daily life.
When did someone born in 2021 turn 18?
Someone born in 2021 turned 18 in 2039, assuming their birthday falls in that calendar year.
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