just subtract
If you have turned or are turning 70 years old in 2013, then you were born in 1943.
Subtract 2013 - 32 = 1981. If they turn 32 years old in 2013, they were "zero years old" (i.e., born) in the year 1981.
If your 28th birthday is in 2013, you were born in 1985
yuo will be born in 1976
It is 2013, so you were born in 1936.
In 2013, a person would have been born in 1991 to be 22 years old in 2013. In 2014, a 22-year-old was born in 1992, depending on which month their birthday falls.
In 1977.
In the year 2013 you would be 216 years old.
If you turn 80 in 2013, you were born in 1933.
2013 - 65 = 1948
Right now, it is 2013, so if you are 20 years old, you were born in 1992 or 1993. In general, if a person is 20 years old, that means that they were born in the year (this year minus 20) or (this year minus 21).
A person turning 19 in 2013 was born in 1994.