Birth Year2000s

Born in the ? How Old Are You Today?

Quick answer: In , people born in the 2000s are about years old (depending on your birth year and whether your birthday has already happened).

As of:

Use this decade hub to jump to your birth year page (2000–2009). Each year page includes a month-by-month age table, future age table, and an exact age calculator.

Looking for a different decade? Browse the full birth year hub to explore all decades and individual year pages.

Pick your birth year (2000–2009)

Prefer an exact answer? Use the age calculator (today) or the age on any date tool.

2000s quick age chart (as of )

If you were born in the 2000s, your exact age depends on whether your birthday has happened yet. This chart shows the typical age range for each birth year.

Birth year Age in (range) Turns 30 in Turns 40 in Generation (common) Details

Tip: Click your birth year to see month-by-month ages (years, months, days) and future-year tables.

2000s births: Gen Z

Depending on the cohort definition, people born in the 2000s are commonly labeled Gen Z. If you want a quick rule of thumb that matches the labels used on the year pages:

Generation labels vary by source. This site uses common Pew-style ranges for clarity on the year pages.

2000s Birth Year: FAQs

How old are 2000s babies today?

People born in the 2000s have an age range that depends on the current year and whether their birthday has occurred yet. Use the chart above and click your birth year for exact details.

Why does the age show a range (like 16–17)?

If you only know the birth year, the exact age depends on your birthday. The lower number applies before your birthday in the current year, and the higher number applies after.

What year do 2000s babies turn 40?

Add 40 to your birth year. For example, born in 2000 turns 40 in 2040, and born in 2009 turns 40 in 2049.

How old is someone born in 2005?

Click Born in 2005 for your exact age range today, a month-by-month table, and an exact calculator.

Do you store the dates I enter?

No. Calculations run locally in your browser. No birth dates or personal data are saved or transmitted. Learn more on our privacy page.