Born in 1947: How Old Are You in 2026?
Anyone born in 1947 is 78 or 79 years old in 2026 — 79 once their birthday has passed, 78 until then.
Your age updates against today's date.
Your age today
Fix the highlighted field to see your result.
How old are you if you were born in 1947?
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 1947 | 79 | Already passed |
| February 1947 | 79 | Already passed |
| March 1947 | 79 | Already passed |
| April 1947 | 79 | Already passed |
| May 1947 | 79 | Already passed |
| June 1947 | 79 | Already passed |
| July 1947 | 78 or 79 | This month |
| August 1947 | 78 | Still ahead |
| September 1947 | 78 | Still ahead |
| October 1947 | 78 | Still ahead |
| November 1947 | 78 | Still ahead |
| December 1947 | 78 | Still ahead |
The calendar year 1947
1947 was a common year: 365 days, with 28 days in February. It opened on a Wednesday.
1947 is Baby Boomers
Births from 1946 to 1964 fall inside Baby Boomers, putting 1947 2 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 1947
Each row is a US age threshold and the calendar year a 1947 birth reaches it. Exact dates depend on the birthday itself.
| Age | Year | What happens |
|---|---|---|
| 16 | 1963 | Old enough to drive in most states |
| 18 | 1965 | Legal adult — eligible to vote |
| 21 | 1968 | Legal drinking age nationwide |
| 25 | 1972 | Most car-rental young-driver surcharges end |
| 30 | 1977 | Turns 30 |
| 40 | 1987 | Turns 40 |
| 50 | 1997 | Turns 50 |
| 62 | 2009 | Earliest age to claim Social Security retirement benefits |
| 65 | 2012 | Medicare eligibility begins |
| 66 | 2013 | Full Social Security retirement age (66) |
| 70 | 2017 | 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 1947?
In 2026 they are 78 or 79 years old. They turn 79 on their birthday, so anyone whose birthday has already passed this year is 79, and anyone still waiting is 78. The month-by-month table on this page gives the answer for each birth month.
What generation is 1947?
Someone born in 1947 belongs to Baby Boomers, which covers births from 1946 to 1964. That boundary comes from the Pew Research Center.
Was 1947 a leap year?
No. 1947 was a common year of 365 days, with 28 days in February.
When does someone born in 1947 reach full retirement age?
Under the Social Security schedule, someone born in 1947 has a full retirement age of 66, which they reach in 2013. They could claim a reduced benefit as early as 2009, and Medicare eligibility begins in 2012. Social Security treats anyone born on 1 January as belonging to the previous birth year.
What day of the week did 1947 start on?
1 January 1947 fell on a Wednesday.
Other birth years
Every birth year
Age Calculator
Enter any date of birth for an exact age in years, months, and days — plus the full index of birth years from 1940 to 2026.
Open the age calculator →