Total babies named Koa (all years): 7,124
| Year | Boys (count / rank / %) |
|---|---|
| 2024 | 1,145 / #292 / 0.067% |
| 2023 | 1,118 / #298 / 0.065% |
| 2022 | 941 / #350 / 0.054% |
| 2021 | 535 / #546 / 0.031% |
| 2020 | 476 / #583 / 0.028% |
| 2019 | 326 / #740 / 0.018% |
| 2018 | 277 / #811 / 0.015% |
| 2017 | 223 / #938 / 0.012% |
| 2016 | 153 / #1227 / 0.008% |
| 2015 | 162 / #1158 / 0.008% |
| Year | Boys (count / rank / %) |
|---|---|
| 2014 | 112 / #1461 / 0.006% |
| 2013 | 113 / #1463 / 0.006% |
| 2012 | 118 / #1413 / 0.006% |
| 2011 | 88 / #1696 / 0.005% |
| 2010 | 75 / #1906 / 0.004% |
| 2009 | 81 / #1835 / 0.004% |
| 2008 | 77 / #1889 / 0.004% |
| 2007 | 56 / #2324 / 0.003% |
| 2006 | 41 / #2811 / 0.002% |
| 2005 | 42 / #2640 / 0.002% |
| Year | Boys (count / rank / %) |
|---|---|
| 2004 | 39 / #2725 / 0.002% |
| 2003 | 29 / #3241 / 0.001% |
| 2002 | 33 / #2856 / 0.002% |
| 2001 | 17 / #4597 / 0.001% |
| 2000 | 17 / #4490 / 0.001% |
| 1999 | 22 / #3537 / 0.001% |
| 1998 | 10 / #6100 / 0.001% |
| 1997 | 12 / #5134 / 0.001% |
| 1996 | 17 / #3938 / 0.001% |
| 1995 | 13 / #4672 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1994 | 7 / #7407 / 0.000% |
| 1993 | 8 / #6572 / 0.000% |
| 1992 | 7 / #7084 / 0.000% |
| 1984 | — |
| 1982 | — |
| 1981 | 6 / #5907 / 0.000% |
| 1980 | 7 / #5250 / 0.000% |
| 1979 | — |
| 1978 | 7 / #4812 / 0.000% |