Girls' name · peaked in 2024
Kaia name popularity since 1925
20,967 babies born in the US from 1925 to 2025 were named Kaia. Half of them were born in 2018 or earlier, so the typical Kaia is about 8 years old in 2026. Kaia peaked in 2024 as the #180 name for girls, and it ranked #193 in 2025.
Key facts
- US babies since 1925
- 20,967
- Named Kaia, 1925–2025
- In 2025
- #193
- for girls in 2025 (1,618 babies)
- Girls / boys
- 99.7% girls
- 20,909 girls · 58 boys
- Most popular in
- Hawaii
- 6.39× its national share
Peak year is the year Kaia made up the largest share of US girls, in records going back to 1880. Typical age is based on births from 1925 on, not on who is living today.
Kaia births per year, 1925–2025
2024 was the biggest year for Kaia both by count and as a share of all babies.
- Fastest rise: Between 1999 and 2004, Kaia became 2.5× more common, from 1 in 12,100 baby girls to 1 in 4,770.
Shaded on the chart. This compares Kaia's share of all US girls five years apart, counting only years with at least 100 babies named Kaia.
Decade by decade
Babies named Kaia in each decade, and its rank among girls' names in the middle year of the decade (1935, 1945 … 2025).
| Decade | Girls | Boys | Rank |
|---|---|---|---|
| 1925–29 | 0 | 0 | – |
| 1930s | 0 | 0 | Under 5 |
| 1940s | 0 | 0 | Under 5 |
| 1950s | 20 | 0 | #6,261 |
| 1960s | 44 | 0 | #4,641 |
| 1970s | 167 | 0 | #3,437 |
| 1980s | 211 | 0 | #4,951 |
| 1990s | 594 | 0 | #2,471 |
| 2000s | 4,008 | 25 | #691 |
| 2010s | 7,239 | 22 | #447 |
| 2020–25 | 8,626 | 11 | #193 |
Ranks count every name given to at least 5 girls that year, so they can go past 1,000. "Under 5" means fewer than 5 girls got the name.
Generation fingerprint
68.5% of babies named Kaia from 1925 to 2025 were born in the Gen Alpha years (2013–2025). The full split by generation:
Where Kaia is most popular
The index compares Kaia's share of babies in each state with its share nationwide, 1925–2025 (1.50× = 50% more common). States with at least 300 babies named Kaia.
| State | Index | Babies |
|---|---|---|
| Hawaii | 6.39× | 386 |
| Washington | 2.50× | 809 |
| Colorado | 2.29× | 546 |
| Oregon | 2.02× | 366 |
| Florida | 1.99× | 1,393 |
Other spellings
Spellings that sound like Kaia and were given to at least 1,000 girls from 1925 to 2025, with the year each one was most popular.
| Spelling | Girls | Peak year |
|---|---|---|
| Kaia (this page) | 20,909 | 2024 |
| Kaya | 10,314 | 2004 |
| Caia | 1,201 | 2023 |
Names with a similar story
Of the other 1999 names on this site, these six had the share of babies closest in shape to Kaia's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Kaia.
Names from the same era
Other common names that peaked within two years of Kaia (2024).
Source: U.S. Social Security Administration national and state baby-name data, which covers names given to at least 5 babies of one sex in a year. About the data