Yanai is a very rare name used for both girls and boys that has climbed to its highest level yet, peaking in 2023.
Yanai is predominantly a girl name. In 2025 it ranked #10,886 among girls (9) and #8,225 among boys (10) — overall #10,958 across all names. The charts below show girls and boys separately.
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 19 | 19 | #10,886 | #8,225 |
| 2024 | 14 | 14 | #11,080 | #14,192 |
| 2023 | 22 | 22 | #8,470 | #8,887 |
| 2022 | 16 | 16 | #13,524 | #8,952 |
| 2021 | 17 | 17 | #11,110 | #9,665 |
| 2020 | 5 | 5 | — | #13,970 |
| 2019 | 6 | 6 | — | #12,082 |
| 2016 | 7 | 7 | #14,263 | — |
| 2011 | 7 | 7 | #14,766 | — |
| 2010 | 5 | 5 | #19,716 | — |
| 2007 | 10 | 10 | #11,590 | — |
| 2006 | 9 | 9 | #12,385 | — |
| 2004 | 8 | 8 | #12,733 | — |
| 2003 | 6 | 6 | #15,719 | — |
| 1986 | 9 | — | #7,741 | — |