As of 2026-09-23, someone born in 1978 is about 48 years old. Enter the exact birthday below to get the precise age in years, months and days.
Born on January 1: 48 years old. Born on December 31: 47 years old until their birthday.
In 2026, everyone born in 1978 turns 48 years old. Right now, depending on whether their birthday has already passed, people born in 1978 are between 47 and 48 years old. The calculator above gives the exact age to the day.
People born in 1978 belong to the Generation X (born 1965–1980), based on the commonly used Pew Research generational definitions.
In 2026, a person born in 1978 turns 48 years old. If their birthday has not yet passed, they are still 47.
Someone born in 1978 belongs to the Generation X (born 1965–1980).
1978 was 48 years ago.
Someone born in 1978 will turn 100 in the year 2078.