How old is someone named Stefanie?
The average Stefanie is 44 years old.
Half of all living Stefanies are between 38 and 51.
When was Stefanie popular?
Stefanie was a boom name: it shot up, peaked in 1983, and dropped away. That's why most Stefanies are close to the same age.
Popular names of 1983 · The most popular names of the 1980s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1910s | 91 | 0 |
| 1920s | 62 | 0 |
| 1930s | 28 | under 100 |
| 1940s | 275 | 170 |
| 1950s | 650 | 510 |
| 1960s | 3,768 | 3,400 |
| 1970s | 8,720 | 8,200 |
| 1980s | 15,869 | 15,000 |
| 1990s | 5,344 | 5,200 |
| 2000s | 1,723 | 1,700 |
| 2010s | 524 | 520 |
| 2020s | 133 | 130 |
How many Stefanies are still alive?
About 35,000 Stefanies are alive in the US today. That's 94% of the roughly 37,000 babies named Stefanie since 1911.
Nearly every Stefanie ever born is still alive, because almost all of them are young.
What generation is the name Stefanie?
About half of living Stefanies are Millennials, born between 1981 and 1996.
- Boomer 4%
- Gen X 34%
- Millennial 52%
- Gen Z 8%
- Gen Alpha 1%
Is Stefanie an old name?
Somewhat. Stefanie is older than 71 in 100 names on AgeByName, but younger than plenty of classics.
Is Stefanie a boy or girl name?
Almost entirely girls: 99.9% of living Stefanies are women.
Names the same age as Stefanie
NAME TWIN
Stefanie's name twin is Kristin. Of all 3,713 names on AgeByName, Kristin's age curve is the closest match to Stefanie's: 90% alike.
Other spellings: Stephanie (43) · Stephany (33) · Stefani (38) · Stephani (41)
Compare: Stefanie vs. Stephanie
Think you can guess a Brittany's age?
Ten names, one slider each. Share your score.
Questions about the name Stefanie
How old is the average Stefanie?
The average Stefanie in the US is 44 years old. The median is 43, so half are older and half younger.
How many people are named Stefanie?
About 35,000 Stefanies are alive in the US today, out of roughly 37,000 babies given the name since 1911.
When was the name Stefanie most popular?
In 1983, when about 2,700 baby girls were named Stefanie.
Is Stefanie a Millennial name?
Yes. About 52% of living Stefanies are Millennials, born between 1981 and 1996.
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