Quick answer: 2026 - 1998 =
28.
You turn 28 in
2026; before your birthday, you are
27.
This page shows your age if you were born in 1998 — including a
month-by-month age table, an age-by-year table, and an
exact age calculator with totals in months, weeks, and days.
If you only know your birth year, your exact age can vary depending on your birthday.
Use this table to check the age of someone born in 1998 in past, current, and future
calendar years. Before their birthday in a given year, they are one year younger than the simple year difference.
Calendar year
Before birthday
On/after birthday
2016
17
18
2021
22
23
2026
27
28
2031
32
33
2036
37
38
2046
47
48
Formula: calendar year − 1998 gives the age reached on the birthday that year.
Subtract 1 if the birthday has not happened yet.
Born in 1998 age table (by birth month)
This table shows your age today as a range if you were born in a specific month of 1998.
The range exists because the exact day in the month changes the total months and days.
Birth month (1998)
Years old
Months old
Days old
January 1998
28
342–343
10429–10459
February 1998
28
341–342
10401–10428
March 1998
28
340–341
10370–10400
April 1998
28
339–340
10340–10369
May 1998
28
338–339
10309–10339
June 1998
28
337–338
10279–10308
July 1998
28
336–337
10248–10278
August 1998
27–28
335–336
10217–10247
September 1998
27
334–335
10187–10216
October 1998
27
333–334
10156–10186
November 1998
27
332–333
10126–10155
December 1998
27
331–332
10095–10125
Want the exact number? Use the calculator below (it also accounts for leap years and month lengths).
In 2026, people born in
1998 are typically
27–28 years old, depending on whether their
birthday has occurred yet this year.
If you were born in 1998, you are generally considered part of the
Generation Z (Gen Z).
Gen Z is commonly associated with growing up alongside smartphones, social media, and always-on internet access.
The 27–28 range is based only on birth year.
Your exact age depends on your full birth date, so use the calculator below when you need a day-accurate result.
The milestone table shows the calendar years in which common ages are reached.
Milestone
Year
Age
Reached 18: Legal adulthood in many countries (already happened)
2016
18
Reached 21: 21st birthday (already happened)
2019
21
Reaches 30: 30th birthday
2028
30
Reaches 40: 40th birthday
2038
40
Reaches 50: 50th birthday
2048
50
Reaches 60: 60th birthday
2058
60
Reaches 70: 70th birthday
2068
70
Reaches 80: 80th birthday
2078
80
Retirement eligibility is program- and country-specific, so it is not inferred from birth year alone.
Use the retirement age calculator for a separate planning estimate.
If you were born in 1998, 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 1998?
In 2030, someone born in 1998 will be 31–32 depending on whether their birthday has occurred in 2030.
How many months old is someone born in 1998?
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 1998?
If you were born in 1998, you will turn 40 in 2038.
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. Calculator date inputs are processed locally in your browser and are not intentionally sent to our servers, Google Analytics, or affiliate partners.
Learn more on our privacy page.