If you were born in 2001, you are 24 or 25 years old in 2026 (depending on whether your birthday has passed). Born in 2001 age: 25 years.
Born in 2001: you are 24 years old before your birthday in 2026, and 25 years old after. Generation: Generation Z.
If born in 2001, you are 24 or 25 years old in 2026.
Born in 2001: Gen Z.