Total babies named Kou (all years): 724
| Year | Boys (count / rank / %) |
|---|---|
| 2017 | 5 / #13391 / 0.000% |
| 2013 | 6 / #11546 / 0.000% |
| 2011 | 9 / #8477 / 0.000% |
| 2009 | 5 / #13602 / 0.000% |
| 2007 | 5 / #13517 / 0.000% |
| 2005 | 10 / #7437 / 0.001% |
| 2004 | 8 / #8594 / 0.000% |
| 2003 | 8 / #8284 / 0.000% |
| 2002 | 10 / #6826 / 0.001% |
| 2001 | 8 / #7993 / 0.000% |
| Year | Boys (count / rank / %) |
|---|---|
| 2000 | 9 / #7153 / 0.000% |
| 1999 | 10 / #6302 / 0.001% |
| 1998 | 13 / #5053 / 0.001% |
| 1997 | 19 / #3678 / 0.001% |
| 1996 | 22 / #3258 / 0.001% |
| 1995 | 22 / #3153 / 0.001% |
| 1994 | 30 / #2539 / 0.002% |
| 1993 | 33 / #2324 / 0.002% |
| 1992 | 48 / #1765 / 0.002% |
| 1991 | 41 / #1907 / 0.002% |
| Year | Boys (count / rank / %) |
|---|---|
| 1990 | 41 / #1893 / 0.002% |
| 1989 | 43 / #1780 / 0.002% |
| 1988 | 38 / #1805 / 0.002% |
| 1987 | 37 / #1774 / 0.002% |
| 1986 | 28 / #2081 / 0.002% |
| 1985 | 29 / #1998 / 0.002% |
| 1984 | 32 / #1781 / 0.002% |
| 1983 | 23 / #2245 / 0.001% |
| 1982 | 31 / #1835 / 0.002% |
| 1981 | 34 / #1714 / 0.002% |
| Year | Boys (count / rank / %) |
|---|---|
| 1980 | 28 / #1986 / 0.002% |
| 1979 | 6 / #5757 / 0.000% |