About 13 or 14
If you were born before this date in 1997 you would be 13 years old, if after today's date you would be 12.
You would be 15
13.
You would be 12.
you would be three
If you were born February 29, 1997 you would have turned 13 in 2010.
You would be 11 or 12 yeah
13
2009
13
Assuming you have already celebrated your birthday, you would be 2010-1997 = 13 years old. If you have not celebrated your birthday, you would be 2010-1997-1 = 12 years old.
As of your birthday in 2013, you would be 16 years old.