They would be 57 or 58, depending on whether they have had their birthday anniversary in 2017.
Using my calculator I see that 2017 - 1959 = 58
If someone was born in 1980 and it is now 2017, they would be 37 years old.
If someone was born in 1959, they would be 62 years old in 2021.
2017 − 1961 = 56 years old on the person's birthday in 2017.
The person who was born in 1999 would be 18 years old in 2017
If someone was born on January 26, 1959, they would be 55 years old this year.
A person who is born in 1959 would turn 57 in 2016.
You would be 25 years old on your birthday of 1st December 2017
A person born in 1959 would be 51 this year, 2010.
57
1959
Someone turning 54 in 2013 was born in 1959.