How old is someone named Julien?
The average Julien is 18 years old.
Half of all living Juliens are between 8 and 24.
When was Julien popular?
Julien is a modern favorite: it climbed through the 2000s and hit its high in 2009. 390 babies got the name in 2025.
Popular names of 2009 · The most popular names of the 2000s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1910s | 141 | 0 |
| 1920s | 186 | 0 |
| 1930s | 128 | under 100 |
| 1940s | 113 | under 100 |
| 1950s | 109 | under 100 |
| 1960s | 96 | under 100 |
| 1970s | 198 | 180 |
| 1980s | 547 | 520 |
| 1990s | 1,736 | 1,700 |
| 2000s | 3,818 | 3,800 |
| 2010s | 4,361 | 4,300 |
| 2020s | 2,582 | 2,600 |
How many Juliens are still alive?
About 13,000 Juliens are alive in the US today. That's 94% of the roughly 14,000 babies named Julien since 1888.
Nearly every Julien ever born is still alive, because almost all of them are young.
What generation is the name Julien?
About two in five living Juliens are in Gen Z, born between 1997 and 2012.
- Boomer 1%
- Gen X 2%
- Millennial 12%
- Gen Z 43%
- Gen Alpha 42%
Is Julien an old name?
No. Julien is one of the youngest names around: younger than 76 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Julien will be 31 in 2056, so the name is aging slowly.
Is Julien a boy or girl name?
Mostly boys: 98.2% of living Juliens are men.
Names the same age as Julien
NAME TWIN
Julien's name twin is Giovanni. Of all 3,713 names on AgeByName, Giovanni's age curve is the closest match to Julien's: 95% alike.
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Questions about the name Julien
How old is the average Julien?
The average Julien in the US is 18 years old. The median is 16, so half are older and half younger.
How many people are named Julien?
About 13,000 Juliens are alive in the US today, out of roughly 14,000 babies given the name since 1888.
When was the name Julien most popular?
In 2009, when about 510 baby boys were named Julien.
Is Julien a Gen Z name?
Partly. Gen Z are the largest group, about 43% of living Juliens, 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