How old is someone born in 1900?
They are
125–126
years old today
Someone born in 1900 is 126 years old if their birthday has already passed this year, and 125 if it hasn't. They turn 127 in 2027. For an exact age, use a full birthdate URL like /howold/june-15-1900. This page recalculates on every visit.
How old is someone born in 1900?
Someone born in 1900 is 125 or 126 years old today: 126 if their birthday has already passed this year, 125 if it hasn't.
What year does someone born in 1900 turn 127?
Someone born in 1900 turns 127 in 2027.
Generation
Someone born in 1900 belongs to an unclassified generational cohort. Generational boundaries are approximate and vary by source, but this is the commonly cited range.
Life Milestones
Everyone born in 1900 has already passed every commonly tracked age milestone, including becoming eligible for Medicare and full Social Security retirement benefits in 1965.
Leap Years Lived Through
From 1900 through 2026, there have been 31 leap years, meaning that many extra February 29ths in a lifetime that started in 1900.