Total babies named Taisei (all years): 155
| Year | Boys (count / rank / %) |
|---|---|
| 2023 | 7 / #10666 / 0.000% |
| 2022 | 6 / #12130 / 0.000% |
| 2021 | 5 / #13831 / 0.000% |
| 2019 | 5 / #13889 / 0.000% |
| 2017 | 5 / #14013 / 0.000% |
| 2016 | 5 / #13948 / 0.000% |
| 2015 | 12 / #7016 / 0.001% |
| 2014 | 7 / #10577 / 0.000% |
| 2013 | 12 / #6967 / 0.001% |
| 2012 | 7 / #10619 / 0.000% |
| Year | Boys (count / rank / %) |
|---|---|
| 2011 | 10 / #7991 / 0.001% |
| 2010 | 12 / #7033 / 0.001% |
| 2008 | 6 / #12363 / 0.000% |
| 2007 | 7 / #10752 / 0.000% |
| 2006 | 11 / #7359 / 0.001% |
| 2005 | 5 / #13114 / 0.000% |
| 2004 | 7 / #9816 / 0.000% |
| 2003 | 8 / #8530 / 0.000% |
| 2002 | 7 / #9273 / 0.000% |
| 2001 | 5 / #12108 / 0.000% |
| Year | Boys (count / rank / %) |
|---|---|
| 1999 | 6 / #9763 / 0.000% |