How it's calculated
Nearby birth years
See how old someone from a nearby birth year is today.
Frequently asked questions
When will someone born in 2009 turn 18?
Someone born in 2009 will turn 18 on their birthday in 2027. For reference, they will be 21 years old in 2030, 31 years old in 2040, and 41 years old in 2050.
How old was someone born in 2009 in 2010?
Someone born in 2009 was 1 years old for most of 2010. Exact age depends on whether their birthday had occurred yet in 2010.
What generation is someone born in 2009?
Someone born in 2009 belongs to Generation Z. Pew Research defines Generation Z as people born 1997–2012. Generational bands are approximate — different sources draw the boundaries a year or two apart.
Related calculations
- Age calculator — main page — Calculate any two-date age.
- Age if born in 2004 — Five years earlier cohort.
- Age if born in 2014 — Five years later cohort.

