Total babies named Seina (all years): 59
| Year | Girls (count / rank / %) |
|---|---|
| 2024 | 6 / #14942 / 0.000% |
| 2021 | 7 / #13254 / 0.000% |
| 2019 | 6 / #15270 / 0.000% |
| 2013 | 6 / #16211 / 0.000% |
| 2010 | 7 / #14708 / 0.000% |
| 2009 | 6 / #16929 / 0.000% |
| 2004 | 6 / #15737 / 0.000% |
| 2003 | 5 / #17912 / 0.000% |
| 1983 | 5 / #11656 / 0.000% |
| 1978 | 5 / #11095 / 0.000% |