Total babies named Hiroki (all years): 392
| Year | Boys (count / rank / %) |
|---|---|
| 2022 | 7 / #10185 / 0.000% |
| 2021 | 5 / #12820 / 0.000% |
| 2020 | 6 / #11111 / 0.000% |
| 2019 | 9 / #8444 / 0.001% |
| 2018 | 9 / #8412 / 0.001% |
| 2017 | 8 / #9150 / 0.000% |
| 2016 | 14 / #6149 / 0.001% |
| 2015 | 8 / #9048 / 0.000% |
| 2014 | 11 / #7222 / 0.001% |
| 2013 | 12 / #6762 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 2011 | 15 / #5777 / 0.001% |
| 2009 | 11 / #7392 / 0.001% |
| 2008 | 11 / #7387 / 0.001% |
| 2007 | 6 / #11437 / 0.000% |
| 2006 | 7 / #9952 / 0.000% |
| 2005 | 8 / #8579 / 0.000% |
| 2004 | 7 / #9290 / 0.000% |
| 2003 | 16 / #4900 / 0.001% |
| 2002 | 11 / #6244 / 0.001% |
| 2001 | 13 / #5484 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 2000 | 17 / #4463 / 0.001% |
| 1999 | 14 / #4866 / 0.001% |
| 1998 | 11 / #5610 / 0.001% |
| 1997 | 11 / #5415 / 0.001% |
| 1996 | 17 / #3895 / 0.001% |
| 1995 | 11 / #5283 / 0.001% |
| 1994 | 17 / #3802 / 0.001% |
| 1993 | 17 / #3721 / 0.001% |
| 1992 | 14 / #4202 / 0.001% |
| 1991 | 17 / #3522 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1990 | 16 / #3675 / 0.001% |
| 1989 | 8 / #5853 / 0.000% |
| 1988 | 8 / #5397 / 0.000% |
| 1987 | 10 / #4376 / 0.001% |
| 1986 | 5 / #7133 / 0.000% |
| 1979 | 5 / #6435 / 0.000% |