Total babies named Tatsuya (all years): 104
| Year | Boys (count / rank / %) |
|---|---|
| 2007 | 8 / #9676 / 0.000% |
| 2005 | 5 / #13138 / 0.000% |
| 2004 | 5 / #13011 / 0.000% |
| 2002 | 5 / #12294 / 0.000% |
| 2000 | 6 / #10221 / 0.000% |
| 1999 | 5 / #11414 / 0.000% |
| 1998 | 8 / #7475 / 0.000% |
| 1997 | 6 / #9135 / 0.000% |
| 1996 | 8 / #7052 / 0.000% |
| 1994 | 11 / #5415 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1993 | 8 / #6751 / 0.000% |
| 1992 | 5 / #9662 / 0.000% |
| 1991 | 6 / #8133 / 0.000% |
| 1990 | 6 / #8013 / 0.000% |
| 1989 | 5 / #9091 / 0.000% |
| 1988 | 7 / #6348 / 0.000% |