Quick answer: If you were born in 2004, you are 21–22 years old in
2026.
This page shows your age if you were born in 2004 — including a
month-by-month age table (years, months, days) and an
exact age calculator.
If you only know your birth year, your exact age can vary depending on your birthday.
If you were born in 2004, your age in a given year depends on whether your birthday has occurred yet.
The table below shows the typical range within each year.
Year
Age range
Milestone
2030
25–26
Turns 40 in 2044
2040
35–36
Turns 40 in 2044
2050
45–46
Turns 50 in 2054
2060
55–56
Turns 60 in 2064
Common milestones for 2004 births: 30 in 2034, 40 in 2044, 50 in
2054.
A simple “retirement age 67” estimate would be 2071 (varies by country and rules).
Born in 2004 age table (by birth month)
This table shows your age today as a range if you were born in a specific month of 2004.
The range exists because the exact day in the month changes the total months and days.
Birth month (2004)
Years old
Months old
Days old
January 2004
22
268–269
8185–8215
February 2004
22
268
8156–8184
March 2004
22
266–267
8125–8155
April 2004
22
265–266
8095–8124
May 2004
22
264–265
8064–8094
June 2004
21–22
263–264
8034–8063
July 2004
21
262–263
8003–8033
August 2004
21
261–262
7972–8002
September 2004
21
260–261
7942–7971
October 2004
21
259–260
7911–7941
November 2004
21
258–259
7881–7910
December 2004
21
257–258
7850–7880
Want the exact number? Use the calculator below (it also accounts for leap years and month lengths).
In 2026, people born in
2004 are typically
21–22 years old, depending on whether their
birthday has occurred yet this year.
If you were born in 2004, you are generally considered part of the
Generation Z (Gen Z).
Gen Z came of age in the smartphone and social media era.
People born in 2004 are currently in their early-20s,
often
established in careers, building families, and approaching major life milestones.
Below is a timeline of common age milestones for someone born in 2004.
Retirement ages can change and vary by program and personal situation. This is a simple estimate for planning.
Default is based on your browser locale.
Milestone
Year
Age
Turned 18 (legal adulthood in many countries) (already happened)
2022
18
Turned 21 (already happened)
2025
21
Turned 30
2034
30
Turns 40
2044
40
Estimated retirement (General, age 67)
2071
67
Note: Retirement age varies by country and individual planning. Use our
retirement age calculator
for a personalized estimate.
If you were born in 2004, your exact age depends on your birthday. If your birthday has already happened this
year,
you’re one year older than if it hasn’t. Use the calculator above for an exact result.
How old will I be in 2030 if I was born in 2004?
In 2030, someone born in 2004 will be 25–26 depending on whether their birthday has occurred in
2030.
How many months old is someone born in 2004?
The number of months depends on your birth month and day. The month table shows a range by birth month, and the
calculator
computes your exact age (including months).
What year will I turn 40 if I was born in 2004?
If you were born in 2004, you will turn 40 in 2044.
Does this account for leap years?
Yes. The calculator follows standard calendar rules including leap years and different month lengths for
day-accurate results.
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.