AgeName

How old is someone named Josef?

The average Josef is 33 years old.

Half of all living Josefs are between 21 and 44.

Estimated alive
8.1K
Median age
31
Peak year
1999
Mostly
Gen Z

Few names are as steady as Josef. It peaked in 1999, but babies have been named Josef every year since records began, and 44 were in 2025.

Popular names of 1999 · The most popular names of the 1990s →

Show the numbers by decade
Babies named Josef by decade, and how many are estimated alive today
Born inBabies bornAlive today
1900s430
1910s1730
1920s1620
1930s135under 100
1940s172under 100
1950s335220
1960s554450
1970s1,026930
1980s1,5591,500
1990s1,7891,700
2000s1,8341,800
2010s1,0111,000
2020s365360

How many Josefs are still alive?

About 8,100 Josefs are alive in the US today. That's 88% of the roughly 9,200 babies named Josef since 1900.

Most Josefs ever born are still alive.

What generation is the name Josef?

About one in three living Josefs are in Gen Z, born between 1997 and 2012.

See all Gen Z names →

Is Josef an old name?

Somewhat. Josef is older than 56 in 100 names on AgeByName, but younger than plenty of classics.

Names that sound old →

Is Josef a boy or girl name?

Almost entirely boys: over 99.9% of living Josefs are men.

Names the same age as Josef

NAME TWIN

Josef's name twin is Juan. Of all 3,713 names on AgeByName, Juan's age curve is the closest match to Josef's: 94% alike.

Other spellings: Joseph (45)

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Questions about the name Josef

How old is the average Josef?

The average Josef in the US is 33 years old. The median is 31, so half are older and half younger.

How many people are named Josef?

About 8,100 Josefs are alive in the US today, out of roughly 9,200 babies given the name since 1900.

When was the name Josef most popular?

In 1999, when about 220 baby boys were named Josef.

Is Josef a Gen Z name?

Partly. Gen Z are the largest group, about 34% of living Josefs, but the name spans several generations.

Estimates from Social Security Administration baby-name records (births 1880–2025) and SSA cohort life tables (2026 Trustees Report). Updated each spring. How we calculate this