If you were born in 1998, you are 27 or 28 years old in 2026 (depending on whether your birthday has passed). Born in 1998 age: 28 years.
Born in 1998: you are 27 years old before your birthday in 2026, and 28 years old after. Generation: Generation Z.
If born in 1998, you are 27 or 28 years old in 2026.
Born in 1998: Gen Z.