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Birth year 1985Millennials

Born in 1985: How Old Are You in 2026?

Anyone born in 1985 is 40 or 41 years old in 202641 once their birthday has passed, 40 until then.

Your age updates against today's date.

Your age today

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How old are you if you were born in 1985?

The year on its own only narrows the answer to two numbers. Which one applies depends on whether this year’s birthday has already come around.

Find your birth month below. Months that share a row with two ages are the ones the birthday falls inside right now.

Born inAge in 2026Birthday
January 198541Already passed
February 198541Already passed
March 198541Already passed
April 198541Already passed
May 198541Already passed
June 198541Already passed
July 198540 or 41This month
August 198540Still ahead
September 198540Still ahead
October 198540Still ahead
November 198540Still ahead
December 198540Still ahead

The calendar year 1985

1985 was a common year: 365 days, with 28 days in February. It opened on a Tuesday.

1985 is Millennials

Births from 1981 to 1996 fall inside Millennials, putting 1985 5 of 16 years into the cohort.

Those cut-offs are the Pew Research Center definitions, which are the ones most US reporting follows. Pew itself notes that generational boundaries are a convention, not a hard science.

Milestone years for someone born in 1985

Each row is a US age threshold and the calendar year a 1985 birth reaches it. Exact dates depend on the birthday itself.

AgeYearWhat happens
162001Old enough to drive in most states
182003Legal adult — eligible to vote
212006Legal drinking age nationwide
252010Most car-rental young-driver surcharges end
302015Turns 30
402025Turns 40
502035Turns 50
622047Earliest age to claim Social Security retirement benefits
652050Medicare eligibility begins
672052Full Social Security retirement age (67)
702055Delayed retirement credits stop accruing

Full retirement age by year of birth follows the Social Security Administration schedule set by the 1983 amendments. Driving, drinking, and rental thresholds are the common US rules and vary by state and company.

Frequently asked questions

How old is someone born in 1985?

In 2026 they are 40 or 41 years old. They turn 41 on their birthday, so anyone whose birthday has already passed this year is 41, and anyone still waiting is 40. The month-by-month table on this page gives the answer for each birth month.

What generation is 1985?

Someone born in 1985 belongs to Millennials, which covers births from 1981 to 1996. That boundary comes from the Pew Research Center.

Was 1985 a leap year?

No. 1985 was a common year of 365 days, with 28 days in February.

When does someone born in 1985 reach full retirement age?

Under the Social Security schedule, someone born in 1985 has a full retirement age of 67, which they reach in 2052. They could claim a reduced benefit as early as 2047, and Medicare eligibility begins in 2050. Social Security treats anyone born on 1 January as belonging to the previous birth year.

What day of the week did 1985 start on?

1 January 1985 fell on a Tuesday.

Other birth years

Every birth year

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