Compare two names
Rio and Ryu side by side: Rio peaked in 2024 and Ryu in 2012; in 2025 they were given to 668 and 59 babies.
Rio and Ryu, year by year
Girls and boys together; Rio solid, Ryu dashed.
| Rio | Ryu | |
|---|---|---|
| Births 2025 | 668 | 59 |
| Rank 2025 | #532 among boys’ names | #2,352 among boys’ names |
| Recorded since 1880 | 7,812 | 1,690 |
| Peak year | 2024 | 2012 |
| Girls | 29% | 0.3% |
| Alive, estimated | 7,690 | 1,670 |
| Median age | 8 | 12 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.