2 years old now in 2025 - what year born?

Today, 19 December 2025 if a person is 2 years old now, what year was he born? See below:

If 2 years old, year of birth is:
2022 or 2023*

*It depends on whether he was born before or after 1 January 2023.

If now 2 years and his year of birth 2022 if he was born after 19 December 2022 until 31 december 2022 inclusively, and his year of birth is 2023 if he was born from 1 January 2023 to 19 December 2023.

Other examples:

If now 5 years, year of birth 2019 or 2020
If now 17 years, year of birth 2007 or 2008
If now 26 years, year of birth 1998 or 1999
If now 99 years, year of birth 1925 or 1926

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