70 years old now in 2026 - what year born?

Today, 28 October 2026 if a person is 70 years old now, what year was he born? See below:

If 70 years old, year of birth is:
1955 or 1956*

*It depends on whether he was born before or after 1 January 1956.

If now 70 years and his year of birth 1955 if he was born after 28 October 1955 until 31 december 1955 inclusively, and his year of birth is 1956 if he was born from 1 January 1956 to 28 October 1956.

Other examples:

If now 7 years, year of birth 2018 or 2019
If now 13 years, year of birth 2012 or 2013
If now 25 years, year of birth 2000 or 2001
If now 40 years, year of birth 1985 or 1986

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