Total babies named Seiji (all years): 509
| Year | Boys (count / rank / %) |
|---|---|
| 2024 | 8 / #9694 / 0.000% |
| 2023 | 9 / #8804 / 0.001% |
| 2022 | 7 / #10663 / 0.000% |
| 2021 | 7 / #10591 / 0.000% |
| 2020 | 10 / #7952 / 0.001% |
| 2019 | 5 / #13797 / 0.000% |
| 2018 | 6 / #11894 / 0.000% |
| 2017 | 12 / #7027 / 0.001% |
| 2016 | 7 / #10548 / 0.000% |
| 2015 | 11 / #7437 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 2014 | 12 / #6983 / 0.001% |
| 2013 | 10 / #7999 / 0.001% |
| 2012 | 15 / #5940 / 0.001% |
| 2011 | 16 / #5635 / 0.001% |
| 2010 | 12 / #7024 / 0.001% |
| 2009 | 7 / #10780 / 0.000% |
| 2008 | 13 / #6700 / 0.001% |
| 2007 | 19 / #4951 / 0.001% |
| 2006 | 14 / #6041 / 0.001% |
| 2005 | 13 / #6157 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 2004 | 10 / #7430 / 0.001% |
| 2003 | 11 / #6646 / 0.001% |
| 2002 | 12 / #6009 / 0.001% |
| 2001 | 10 / #6855 / 0.001% |
| 2000 | 7 / #8973 / 0.000% |
| 1999 | 10 / #6434 / 0.001% |
| 1998 | 9 / #6745 / 0.000% |
| 1997 | 11 / #5587 / 0.001% |
| 1996 | 8 / #7004 / 0.000% |
| 1995 | 13 / #4739 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1994 | 5 / #9989 / 0.000% |
| 1993 | 5 / #9921 / 0.000% |
| 1992 | 9 / #6055 / 0.000% |
| 1990 | 5 / #9271 / 0.000% |
| 1989 | 9 / #5523 / 0.000% |
| 1985 | 8 / #5070 / 0.000% |
| 1984 | 5 / #7140 / 0.000% |
| 1982 | 9 / #4528 / 0.001% |
| 1979 | 8 / #4782 / 0.000% |
| 1978 | 5 / #6603 / 0.000% |
| Year | Boys (count / rank / %) |
|---|---|
| 1977 | 5 / #6698 / 0.000% |
| 1974 | 5 / #5875 / 0.000% |
| 1970 | 5 / #5320 / 0.000% |
| 1939 | 5 / #3902 / 0.000% |
| 1938 | 6 / #3482 / 0.001% |
| 1937 | 6 / #3475 / 0.001% |
| 1934 | 5 / #4132 / 0.000% |
| 1929 | 8 / #3213 / 0.001% |
| 1927 | 5 / #4703 / 0.000% |
| 1926 | 8 / #3343 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1925 | 12 / #2565 / 0.001% |
| 1924 | 11 / #2798 / 0.001% |
| 1923 | 11 / #2750 / 0.001% |
| 1922 | 8 / #3489 / 0.001% |
| 1921 | 5 / #4876 / 0.000% |
| 1920 | 6 / #4207 / 0.001% |
| 1919 | 5 / #4705 / 0.001% |
| 1917 | 5 / #4487 / 0.001% |
| 1914 | 6 / #3212 / 0.001% |