How old will I be in 2121 if I was born in 1921?

Examples for the same year of born:

• How old will I be in 2119 if I was born in 1921?
• How old will I be in 2120 if I was born in 1921?
• How old will I be in 2121 if I was born in 1921?
• How old will I be in 2122 if I was born in 1921?
• How old will I be in 2123 if I was born in 1921?

Examples for the same future year:

• How old will I be in 2121 if I was born in 1919?
• How old will I be in 2121 if I was born in 1920?
• How old will I be in 2121 if I was born in 1921?
• How old will I be in 2121 if I was born in 1922?
• How old will I be in 2121 if I was born in 1923?