64 years old now in 2026 - what year born?

Today, 28 October 2026 if a person is 64 years old now, what year was he born? See below:

If 64 years old, year of birth is:
1961 or 1962*

*It depends on whether he was born before or after 1 January 1962.

If now 64 years and his year of birth 1961 if he was born after 28 October 1961 until 31 december 1961 inclusively, and his year of birth is 1962 if he was born from 1 January 1962 to 28 October 1962.

Other examples:

If now 6 years, year of birth 2019 or 2020
If now 13 years, year of birth 2012 or 2013
If now 20 years, year of birth 2005 or 2006
If now 42 years, year of birth 1983 or 1984

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