Total babies named Taishi (all years): 54
| Year | Boys (count / rank / %) |
|---|---|
| 2013 | 5 / #13813 / 0.000% |
| 2011 | 10 / #7992 / 0.001% |
| 2009 | 7 / #10825 / 0.000% |
| 2007 | 5 / #14139 / 0.000% |
| 2006 | 6 / #11885 / 0.000% |
| 2003 | 5 / #12536 / 0.000% |
| 1999 | 6 / #9764 / 0.000% |
| 1994 | 5 / #10075 / 0.000% |
| 1993 | 5 / #9981 / 0.000% |