If you were born in 1973 you will turn 37 in 2010.
Someone born in 1973 will turn 38 on his birthday in 2011, and 39 on his birthday in 2012.
They turned 42 in 2015.
49 years old
They would be 32
A person born in 1973 would be 36 years old on his or her birthday in 2009.
If you were born in 1973 you will turn 37 in 2010.
36 years old
Someone born in 1973 will turn 38 on his birthday in 2011, and 39 on his birthday in 2012.
They turned 42 in 2015.
49 years old
They are 43 years of age. The solution: 2016 - 1973 = 43. Simple math.
They would be 33 if they were born in 1979
They will be 26 this year.
They would be 32
On that person's birthday in 2012, [s]he turns 39 .
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.