Koa
#1,587 for girls in 2025, 132 births · #269 for boys in 2025, 1,281 births
Given to boys 90.1% of the time
Showing
- Peak · boys
- 2025 · 1,281 births
- Debut · boys
- 7 births
- In top 100 · boys
- neverof 146 years
- Total births · boys
- 7,702since 1978
Koa over time
girlsboys
Rank within each sex, plotted together. Click any year to open it.
Hover or use arrow keys to read values by year; click or press Enter to open that year.
Gaps mean fewer than 5 babies received the name that year, so the SSA doesn't publish it.
Show data table
| Year | girls | boys | ||
|---|---|---|---|---|
| rank | births | rank | births | |
| 2025 | #1,587 | 132 | #269 | 1,281 |
| 2024 | #1,559 | 136 | #292 | 1,152 |
| 2023 | #1,724 | 119 | #298 | 1,119 |
| 2022 | #1,720 | 121 | #350 | 941 |
| 2021 | #2,848 | 59 | #545 | 536 |
| 2020 | #2,931 | 55 | #582 | 477 |
| 2019 | #3,611 | 42 | #739 | 326 |
| 2018 | #6,792 | 17 | #809 | 278 |
| 2017 | #5,661 | 22 | #936 | 223 |
| 2016 | #11,781 | 8 | #1,221 | 153 |
| 2015 | #9,481 | 11 | #1,157 | 162 |
| 2014 | #8,485 | 13 | #1,456 | 112 |
| 2013 | #9,612 | 11 | #1,459 | 113 |
| 2012 | #10,429 | 10 | #1,407 | 118 |
| 2011 | #13,347 | 7 | #1,687 | 88 |
| 2010 | #12,276 | 8 | #1,898 | 75 |
| 2009 | #8,454 | 14 | #1,825 | 81 |
| 2008 | #13,832 | 7 | #1,874 | 77 |
| 2007 | #15,491 | 6 | #2,304 | 56 |
| 2006 | #15,152 | 6 | #2,784 | 41 |
| 2005 | #14,502 | 6 | #2,614 | 42 |
| 2004 | — | #2,697 | 39 | |
| 2003 | — | #3,186 | 29 | |
| 2002 | — | #2,817 | 33 | |
| 2001 | — | #4,476 | 17 | |
| 2000 | #9,163 | 10 | #4,389 | 17 |
| 1999 | — | #3,480 | 22 | |
| 1998 | — | #5,840 | 10 | |
| 1997 | — | #4,960 | 12 | |
| 1996 | — | #3,830 | 17 | |
| 1995 | — | #4,508 | 13 | |
| 1994 | — | #6,968 | 7 | |
| 1993 | — | #6,228 | 8 | |
| 1992 | — | #6,670 | 7 | |
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| 1984 | #7,398 | 8 | — | |
| 1983 | — | — | ||
| 1982 | #7,469 | 8 | — | |
| 1981 | — | #5,468 | 6 | |
| 1980 | #10,392 | 5 | #4,940 | 7 |
| 1979 | #10,210 | 5 | — | |
| 1978 | — | #4,554 | 7 | |
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First appearance
1978
The first year at least five boys were named Koa! It came in at #4,554, and was given to 7 baby boys.
Quietest stretch: 1979, when fewer than 5 boys a year got the name.
See more about Koa
Momentum · boys
Rising
- 23 spots since 2024 (#292 → #269)
- 313 spots since 2020 (#582 → #269)
- 888 spots since 2015 (#1,157 → #269)
- Biggest jump: 285 spots in 2017 (#1,221 → #936)
Rise & fade · boys
47 yrs to peak
- Debuted 1978
- Peaked 2025 at #269 (1,281 births)
- Not yet halved from its peak
Top of the charts · boys
Top 1,000 for 9 yrs
- Top 10: never
- Top 100: never
- Top 1,000: 9 yrs · run 2017–2025
Share of babies · boys
1 in 1,333
- Highest: 1 in 1,333 boys born in 2025 were named Koa (0.07%)
Era · boys
The 2020s
- 71.5% of all boys named Koa (5,506) were born in this decade
Girls or boys?
Flipped in 1992
- Mostly girls until 1991, mostly boys since
Show by decade
| Decade | Births | Best rank | Avg rank |
|---|---|---|---|
| 1970s | 7 | #4,554 (1978) | #4,554 |
| 1980s | 13 | #4,940 (1980) | #5,204 |
| 1990s | 96 | #3,480 (1999) | #5,311 |
| 2000s | 432 | #1,825 (2009) | #2,897 |
| 2010s | 1,648 | #739 (2019) | #1,277 |
| 2020s | 5,506 | #269 (2025) | #389 |
All figures count published births only (names given to at least 5 boys in a year). Registrations before 1937 are incomplete, so early shares and totals run low.
Want to check a specific year?
See where Koa ranked and which names it was up against. Click a point on the chart, or pick a year: