Compare two names
Cai and Kai side by side: Cai peaked in 2022 and Kai in 2022; in 2025 they were given to 81 and 4,002 babies.
Cai and Kai, year by year
Girls and boys together; Cai solid, Kai dashed.
| Cai | Kai | |
|---|---|---|
| Births 2025 | 81 | 4,002 |
| Rank 2025 | #2,113 among boys’ names | #93 among boys’ names |
| Recorded since 1880 | 1,945 | 78,710 |
| Peak year | 2022 | 2022 |
| Girls | 25% | 11% |
| Alive, estimated | 1,930 | 77,700 |
| Median age | 10 | 9 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.