Total babies named Hiroyuki (all years): 67
| Year | Boys (count / rank / %) |
|---|---|
| 2017 | 6 / #11271 / 0.000% |
| 2009 | 5 / #13175 / 0.000% |
| 1997 | 5 / #9830 / 0.000% |
| 1994 | 5 / #9355 / 0.000% |
| 1993 | 5 / #9268 / 0.000% |
| 1992 | 6 / #7823 / 0.000% |
| 1991 | 6 / #7633 / 0.000% |
| 1989 | 7 / #6487 / 0.000% |
| 1987 | 5 / #7399 / 0.000% |
| 1983 | 6 / #5754 / 0.000% |
| Year | Boys (count / rank / %) |
|---|---|
| 1930 | 6 / #3779 / 0.001% |
| 1924 | 5 / #4642 / 0.000% |