Compare two names
Kaio and Kai side by side: Kaio peaked in 2023 and Kai in 2022; in 2025 they were given to 22 and 4,002 babies.
Kaio and Kai, year by year
Girls and boys together; Kaio solid, Kai dashed.
| Kaio | Kai | |
|---|---|---|
| Births 2025 | 22 | 4,002 |
| Rank 2025 | #4,618 among boys’ names | #93 among boys’ names |
| Recorded since 1880 | 429 | 78,710 |
| Peak year | 2023 | 2022 |
| Girls | 0% | 11% |
| Alive, estimated | 425 | 77,700 |
| Median age | 12 | 9 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.