Total babies named Kao (all years): 711
| Year | Boys (count / rank / %) |
|---|---|
| 2023 | 5 / #13186 / 0.000% |
| 2020 | 5 / #13072 / 0.000% |
| 2019 | 10 / #7923 / 0.001% |
| 2018 | 9 / #8499 / 0.001% |
| 2017 | 8 / #9278 / 0.000% |
| 2016 | 5 / #13211 / 0.000% |
| 2015 | 9 / #8380 / 0.000% |
| 2012 | 7 / #10257 / 0.000% |
| 2011 | 6 / #11564 / 0.000% |
| 2007 | 6 / #11667 / 0.000% |
| Year | Boys (count / rank / %) |
|---|---|
| 2006 | 5 / #13025 / 0.000% |
| 2004 | 5 / #12300 / 0.000% |
| 2000 | — |
| 1998 | 8 / #7209 / 0.000% |
| 1997 | 8 / #6943 / 0.000% |
| 1996 | 10 / #5772 / 0.001% |
| 1995 | 15 / #4165 / 0.001% |
| 1994 | 18 / #3680 / 0.001% |
| 1993 | 17 / #3744 / 0.001% |
| 1992 | 32 / #2335 / 0.002% |
| Year | Boys (count / rank / %) |
|---|---|
| 1991 | 18 / #3399 / 0.001% |
| 1990 | 19 / #3241 / 0.001% |
| 1989 | 25 / #2573 / 0.001% |
| 1988 | 20 / #2804 / 0.001% |
| 1987 | 22 / #2518 / 0.001% |
| 1986 | 18 / #2840 / 0.001% |
| 1985 | 14 / #3304 / 0.001% |
| 1984 | 22 / #2328 / 0.001% |
| 1983 | 30 / #1844 / 0.002% |
| 1982 | 28 / #1961 / 0.002% |
| Year | Boys (count / rank / %) |
|---|---|
| 1981 | 40 / #1530 / 0.002% |
| 1980 | 23 / #2246 / 0.001% |