If you were born on The 21st of December on 1989, you would be 20 years old 19 years old, you would only be 20 on the 21st of December.
20
At the end of 2011, you would be 22.
On your birthday in 2013, you would turn 24 .
To determine your age in 2009 if you were born in 1989, you would subtract 1989 from 2009. This calculation would give you an age of 20 years old in 2009. This is because you would have lived through 20 full years (from 1989 to 2009) since your birth year.
If you were born on The 21st of December on 1989, you would be 20 years old 19 years old, you would only be 20 on the 21st of December.
You would be 21 years old
you would be 19 years old
You would be 23 years old.
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24
19 years old
As of April 2012, someone born in November 1989 would be 22 years old.
If you were born on February 17th, 1989 you would be 22.
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23
22