How old is someone named Stefan?
The average Stefan is 33 years old.
Half of all living Stefans are between 21 and 43.
When was Stefan popular?
Stefan has never really gone out of style. Parents have chosen it every year for more than a century; its busiest year was 1991.
Popular names of 1991 · The most popular names of the 1990s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1910s | 115 | 0 |
| 1920s | 103 | 0 |
| 1930s | 78 | under 100 |
| 1940s | 262 | 120 |
| 1950s | 651 | 430 |
| 1960s | 1,642 | 1,300 |
| 1970s | 2,392 | 2,100 |
| 1980s | 4,047 | 3,800 |
| 1990s | 5,405 | 5,200 |
| 2000s | 2,520 | 2,500 |
| 2010s | 2,590 | 2,600 |
| 2020s | 1,432 | 1,400 |
How many Stefans are still alive?
About 20,000 Stefans are alive in the US today. That's 92% of the roughly 21,000 babies named Stefan since 1910.
Nearly every Stefan ever born is still alive, because almost all of them are young.
What generation is the name Stefan?
About two in five living Stefans are Millennials, born between 1981 and 1996.
- Boomer 6%
- Gen X 16%
- Millennial 39%
- Gen Z 23%
- Gen Alpha 17%
Is Stefan an old name?
Somewhat. Stefan is older than 56 in 100 names on AgeByName, but younger than plenty of classics.
Looking ahead: if babies keep getting the name at today's pace, the typical Stefan will be 45 in 2056, so the name is aging slowly.
Is Stefan a boy or girl name?
Almost entirely boys: 99.8% of living Stefans are men.
Names the same age as Stefan
NAME TWIN
Stefan's name twin is Leandra. Of all 3,713 names on AgeByName, Leandra's age curve is the closest match to Stefan's: 87% alike.
Other spellings: Stephan (45)
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Questions about the name Stefan
How old is the average Stefan?
The average Stefan in the US is 33 years old. The median is 33, so half are older and half younger.
How many people are named Stefan?
About 20,000 Stefans are alive in the US today, out of roughly 21,000 babies given the name since 1910.
When was the name Stefan most popular?
In 1991, when about 730 baby boys were named Stefan.
Is Stefan a Millennial name?
Partly. Millennials are the largest group, about 39% of living Stefans, 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