Depends on the current year.
(current date)-(age)=(date born)
If the person has already had their birthday this year they were born in 1963, if they will be 48 this year they were born in 1962.
If someone is 30 years old, and now it's 2025, they'd be born in 1995.
1932
During the year 2011, anyone who was born in the year 1924 has or will be turning 87 years old.
The person who was born in 1999 would be 18 years old in 2017