Compare two names
Kazuya and Kazuo side by side: Kazuya peaked in 1987 and Kazuo in 1921; in 2025 they were given to 5 and 5 babies.
Kazuya and Kazuo, year by year
Girls and boys together; Kazuya solid, Kazuo dashed.
| Kazuya | Kazuo | |
|---|---|---|
| Births 2025 | 5 | 5 |
| Rank 2025 | #12,985 among boys’ names | #12,984 among boys’ names |
| Recorded since 1880 | 65 | 762 |
| Peak year | 1987 | 1921 |
| Girls | 0% | 0% |
| Alive, estimated | under 100 | under 100 |
| Median age | n/a | n/a |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.