How old is someone named Mia?
The average Mia is 15 years old.
Half of all living Mias are between 7 and 20.
When was Mia popular?
Mia is a modern favorite: it climbed through the 2000s and hit its high in 2015. 11,087 babies got the name in 2025.
Popular names of 2015 · The most popular names of the 2010s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1930s | 6 | 0 |
| 1940s | 105 | under 100 |
| 1950s | 360 | 280 |
| 1960s | 4,240 | 3,800 |
| 1970s | 4,424 | 4,200 |
| 1980s | 5,713 | 5,500 |
| 1990s | 14,636 | 14,000 |
| 2000s | 83,651 | 83,000 |
| 2010s | 129,244 | 130,000 |
| 2020s | 68,231 | 68,000 |
How many Mias are still alive?
About 310,000 Mias are alive in the US today. That's 99% of the roughly 310,000 babies named Mia since 1933.
Nearly every Mia ever born is still alive, because almost all of them are young.
What generation is the name Mia?
About half of living Mias are in Gen Alpha, born in 2013 or later.
- Gen X 3%
- Millennial 4%
- Gen Z 41%
- Gen Alpha 53%
Is Mia an old name?
No. Mia is one of the youngest names around: younger than 84 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Mia will be 29 in 2056, so the name is aging slowly.
Is Mia a boy or girl name?
Almost entirely girls: 99.9% of living Mias are women.
Names the same age as Mia
NAME TWIN
Mia's name twin is Owen. Of all 3,713 names on AgeByName, Owen's age curve is the closest match to Mia's: 95% alike.
Other spellings: Mya (17) · Myah (17) · Miah (16) · Miya (19)
Compare: Mia vs. Maya · Mia vs. Mya
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Questions about the name Mia
How old is the average Mia?
The average Mia in the US is 15 years old. The median is 13, so half are older and half younger.
How many people are named Mia?
About 310,000 Mias are alive in the US today, out of roughly 310,000 babies given the name since 1933.
When was the name Mia most popular?
In 2015, when about 15,000 baby girls were named Mia.
Is Mia a Gen Alpha name?
Yes. About 53% of living Mias are in Gen Alpha, born in 2013 or later.
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