Born in 1948: How Old Are You in 2026?
Anyone born in 1948 is 77 or 78 years old in 2026 — 78 once their birthday has passed, 77 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 1948?
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 in | Age in 2026 | Birthday |
|---|---|---|
| January 1948 | 78 | Already passed |
| February 1948 | 78 | Already passed |
| March 1948 | 78 | Already passed |
| April 1948 | 78 | Already passed |
| May 1948 | 78 | Already passed |
| June 1948 | 78 | Already passed |
| July 1948 | 77 or 78 | This month |
| August 1948 | 77 | Still ahead |
| September 1948 | 77 | Still ahead |
| October 1948 | 77 | Still ahead |
| November 1948 | 77 | Still ahead |
| December 1948 | 77 | Still ahead |
The calendar year 1948
1948 was a leap year: 366 days, with 29 days in February. It opened on a Thursday.
1948 is Baby Boomers
Births from 1946 to 1964 fall inside Baby Boomers, putting 1948 3 of 19 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 1948
Each row is a US age threshold and the calendar year a 1948 birth reaches it. Exact dates depend on the birthday itself.
| Age | Year | What happens |
|---|---|---|
| 16 | 1964 | Old enough to drive in most states |
| 18 | 1966 | Legal adult — eligible to vote |
| 21 | 1969 | Legal drinking age nationwide |
| 25 | 1973 | Most car-rental young-driver surcharges end |
| 30 | 1978 | Turns 30 |
| 40 | 1988 | Turns 40 |
| 50 | 1998 | Turns 50 |
| 62 | 2010 | Earliest age to claim Social Security retirement benefits |
| 65 | 2013 | Medicare eligibility begins |
| 66 | 2014 | Full Social Security retirement age (66) |
| 70 | 2018 | Delayed 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 1948?
In 2026 they are 77 or 78 years old. They turn 78 on their birthday, so anyone whose birthday has already passed this year is 78, and anyone still waiting is 77. The month-by-month table on this page gives the answer for each birth month.
What generation is 1948?
Someone born in 1948 belongs to Baby Boomers, which covers births from 1946 to 1964. That boundary comes from the Pew Research Center.
Was 1948 a leap year?
Yes. 1948 was a leap year, so it had 366 days and February ran to 29 days. Anyone born on 29 February that year has a real birthday only once every four years.
When does someone born in 1948 reach full retirement age?
Under the Social Security schedule, someone born in 1948 has a full retirement age of 66, which they reach in 2014. They could claim a reduced benefit as early as 2010, and Medicare eligibility begins in 2013. Social Security treats anyone born on 1 January as belonging to the previous birth year.
What day of the week did 1948 start on?
1 January 1948 fell on a Thursday.
Other birth years
Every birth year
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