How old is someone named Kaiya?
The average Kaiya is 15 years old.
Half of all living Kaiyas are between 8 and 21.
When was Kaiya popular?
Kaiya is a modern favorite: it climbed through the 2000s and hit its high in 2002. 255 babies got the name in 2025.
Popular names of 2002 · The most popular names of the 2000s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1970s | 26 | under 100 |
| 1980s | 83 | under 100 |
| 1990s | 495 | 490 |
| 2000s | 3,221 | 3,200 |
| 2010s | 3,027 | 3,000 |
| 2020s | 1,768 | 1,800 |
How many Kaiyas are still alive?
About 8,500 Kaiyas are alive in the US today. That's over 99% of the roughly 8,600 babies named Kaiya since 1974.
Nearly every Kaiya ever born is still alive, because almost all of them are young.
What generation is the name Kaiya?
About half of living Kaiyas are in Gen Z, born between 1997 and 2012.
- Millennial 4%
- Gen Z 53%
- Gen Alpha 44%
Is Kaiya an old name?
No. Kaiya is one of the youngest names around: younger than 83 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Kaiya will be 29 in 2056, so the name is aging slowly.
Is Kaiya a boy or girl name?
Almost entirely girls: 99.6% of living Kaiyas are women.
Names the same age as Kaiya
NAME TWIN
Kaiya's name twin is Jamari. Of all 3,713 names on AgeByName, Jamari's age curve is the closest match to Kaiya's: 93% alike.
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Questions about the name Kaiya
How old is the average Kaiya?
The average Kaiya in the US is 15 years old. The median is 15, so half are older and half younger.
How many people are named Kaiya?
About 8,500 Kaiyas are alive in the US today, out of roughly 8,600 babies given the name since 1974.
When was the name Kaiya most popular?
In 2002, when about 400 baby girls were named Kaiya.
Is Kaiya a Gen Z name?
Yes. About 53% of living Kaiyas are in Gen Z, born between 1997 and 2012.
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