128 years old now in 2026 - what year born?

Today, 28 October 2026 if a person is 128 years old now, what year was he born? See below:

If 128 years old, year of birth is:
1897 or 1898*

*It depends on whether he was born before or after 1 January 1898.

If now 128 years and his year of birth 1897 if he was born after 28 October 1897 until 31 december 1897 inclusively, and his year of birth is 1898 if he was born from 1 January 1898 to 28 October 1898.

Other examples:

If now 4 years, year of birth 2021 or 2022
If now 13 years, year of birth 2012 or 2013
If now 29 years, year of birth 1996 or 1997
If now 76 years, year of birth 1949 or 1950

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