Primarily a boy's name · Unisex — 23% girls / 77% boys
→ See names similar to Kei · Popular names of the 2010s · Boys names starting with K
Rank is among all boys' names registered that year.
| Year | Babies | Rank |
|---|---|---|
| 1920 | 6 | #4,052 |
| 1925 | 7 | #3,577 |
| 1977 | 6 | #5,497 |
| 1979 | 9 | #4,238 |
| 1980 | 8 | #4,739 |
| 1982 | 10 | #4,097 |
| 1984 | 9 | #4,389 |
| 1985 | 7 | #5,465 |
| 1986 | 7 | #5,658 |
| 1987 | 6 | #6,549 |
| 1988 | 5 | #7,919 |
| 1989 | 9 | #5,393 |
| 1990 | 11 | #4,847 |
| 1991 | 15 | #3,924 |
| 1992 | 11 | #5,075 |
| 1993 | 5 | #9,484 |
| 1994 | 10 | #5,679 |
| 1995 | 10 | #5,718 |
| 1996 | 5 | #9,797 |
| 1997 | 13 | #4,815 |
| 1998 | 11 | #5,660 |
| 1999 | 8 | #7,524 |
| 2000 | 15 | #4,923 |
| 2001 | 14 | #5,287 |
| 2002 | 11 | #6,320 |
| 2003 | 13 | #5,725 |
| 2004 | 18 | #4,693 |
| 2005 | 12 | #6,430 |
| 2006 | 12 | #6,692 |
| 2007 | 13 | #6,455 |
| 2008 | 17 | #5,373 |
| 2009 | 14 | #6,282 |
| 2010 | 6 | #11,508 |
| 2011 | 11 | #7,264 |
| 2012 | 16 | #5,607 |
| 2013 | 19 | #4,894 |
| 2014 | 25 | #4,077 |
| 2015 | 33 | #3,401 |
| 2016 | 30 | #3,647 |
| 2017 | 25 | #4,180 |
| 2018 | 25 | #4,154 |
| 2019 | 22 | #4,562 |
| 2020 | 18 | #5,144 |
| 2021 | 15 | #5,899 |
| 2022 | 17 | #5,540 |
| 2023 | 26 | #4,166 |
| 2024 | 22 | #4,624 |