31 years old now in 2025 - what year born?


Today, 8 July 2025 if a person is 31 years old now, what year was he born? See below:


If 31 years old, year of birth is:
1993 or 1994*
*It depends on whether he was born before or after 1 January 1994.


If now 31 years and his year of birth 1993 if he was born after 8 July 1993 until 31 december 1993 inclusively, and his year of birth is 1994 if he was born from 1 January 1994 to 8 July 1994.


Other examples:

If now 4 years, year of birth 2020 or 2021
If now 16 years, year of birth 2008 or 2009
If now 23 years, year of birth 2001 or 2002
If now 63 years, year of birth 1961 or 1962

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