How old is someone born in 2009?
They are
16–17
years old today
Someone born in 2009 is 17 years old if their birthday has already passed this year, and 16 if it hasn't. They turn 18 in 2027. For an exact age, use a full birthdate URL like /howold/june-15-2009. This page recalculates on every visit.
How old is someone born in 2009?
Someone born in 2009 is 16 or 17 years old today: 17 if their birthday has already passed this year, 16 if it hasn't.
What year does someone born in 2009 turn 18?
Someone born in 2009 turns 18 in 2027.
Generation
Someone born in 2009 belongs to Generation Z. Generational boundaries are approximate and vary by source, but this is the commonly cited range.
Life Milestones
The next milestone age for someone born in 2009 is 18 (legally an adult and eligible to vote), arriving in 2027. The most recent milestone passed was turning 16 in 2025 (eligible to drive in most U.S. states).
Leap Years Lived Through
From 2009 through 2026, there have been 4 leap years, meaning that many extra February 29ths in a lifetime that started in 2009.