Kenji is an uncommon boys' name that has climbed to its highest level yet, peaking in 2022.
Kenji is predominantly a boy name. In 2025 it ranked #944 for boy births in the United States (and #1,925 across all names), given to 249 babies. Kenji first appears in 1913 and peaked in 2022 (337 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 249 | 249 | — | #944 |
| 2024 | 284 | 284 | — | #856 |
| 2023 | 296 | 296 | — | #828 |
| 2022 | 337 | 337 | — | #754 |
| 2021 | 281 | 281 | — | #847 |
| 2020 | 245 | 245 | — | #913 |
| 2019 | 156 | 156 | — | #1,222 |
| 2018 | 141 | 141 | — | #1,296 |
| 2017 | 137 | 137 | — | #1,319 |
| 2016 | 125 | 125 | — | #1,409 |
| 2015 | 122 | 122 | — | #1,410 |
| 2014 | 96 | 96 | — | #1,620 |
| 2013 | 125 | 125 | — | #1,358 |
| 2012 | 124 | 124 | — | #1,364 |
| 2011 | 147 | 147 | — | #1,204 |
| 2010 | 119 | 119 | — | #1,403 |
| 2009 | 166 | 166 | #14,486 | #1,150 |
| 2008 | 145 | 145 | — | #1,216 |
| 2007 | 108 | 108 | — | #1,486 |
| 2006 | 99 | 99 | — | #1,523 |
| 2005 | 75 | 75 | — | #1,765 |
| 2004 | 60 | 60 | — | #2,008 |
| 2003 | 60 | 60 | — | #1,951 |
| 2002 | 64 | 64 | #16,818 | #1,906 |
| 2001 | 72 | 72 | — | #1,640 |
| 2000 | 52 | 52 | — | #1,983 |
| 1999 | 56 | 56 | — | #1,790 |
| 1998 | 66 | 66 | — | #1,591 |
| 1997 | 44 | — | — | #2,044 |
| 1996 | 43 | — | — | #2,034 |
| 1995 | 55 | — | — | #1,661 |
| 1994 | 27 | — | — | #2,731 |
| 1993 | 30 | — | — | #2,483 |
| 1992 | 39 | — | — | #2,025 |
| 1991 | 32 | — | — | #2,268 |
| 1990 | 31 | — | — | #2,284 |
| 1989 | 27 | — | — | #2,444 |
| 1988 | 28 | — | — | #2,222 |
| 1987 | 22 | — | — | #2,519 |
| 1986 | 34 | — | — | #1,815 |
| 1985 | 30 | — | — | #1,947 |
| 1984 | 35 | — | — | #1,673 |
| 1983 | 28 | — | — | #1,930 |
| 1982 | 45 | — | — | #1,431 |
| 1981 | 40 | — | — | #1,531 |
| 1980 | 78 | — | #7,747 | #1,083 |
| 1979 | 84 | — | — | #971 |
| 1978 | 135 | — | #8,044 | #750 |
| 1977 | 57 | — | — | #1,167 |
| 1976 | 26 | — | — | #1,903 |
| 1975 | 32 | — | #8,479 | #1,859 |
| 1974 | 25 | — | — | #1,863 |
| 1973 | 28 | — | — | #1,677 |
| 1972 | 21 | — | — | #1,999 |
| 1971 | 19 | — | — | #2,171 |
| 1970 | 16 | — | — | #2,354 |
| 1969 | 17 | — | — | #2,087 |
| 1968 | 17 | — | — | #1,994 |
| 1967 | 13 | — | — | #2,299 |
| 1966 | 11 | — | — | #2,548 |
| 1965 | 9 | — | — | #2,894 |
| 1964 | 8 | — | — | #3,161 |
| 1963 | 7 | — | — | #3,498 |
| 1962 | 7 | — | — | #3,477 |
| 1961 | 7 | — | — | #3,521 |
| 1960 | 8 | — | — | #3,214 |
| 1959 | 6 | — | — | #3,812 |
| 1958 | 7 | — | — | #3,424 |
| 1956 | 5 | — | — | #4,213 |
| 1944 | 8 | — | — | #2,748 |
| 1943 | 7 | — | — | #3,094 |
| 1940 | 8 | — | — | #2,766 |
| 1939 | 11 | — | — | #2,233 |
| 1938 | 9 | — | — | #2,564 |
| 1937 | 12 | — | — | #2,144 |
| 1936 | 6 | — | — | #3,360 |
| 1935 | 10 | — | — | #2,460 |
| 1934 | 9 | — | — | #2,662 |
| 1933 | 12 | — | — | #2,159 |
| 1932 | 6 | — | — | #3,578 |
| 1931 | 10 | — | — | #2,566 |
| 1930 | 11 | — | — | #2,531 |
| 1929 | 19 | — | — | #1,760 |
| 1928 | 17 | — | — | #1,935 |
| 1927 | 16 | — | — | #2,087 |
| 1926 | 16 | — | — | #2,031 |
| 1925 | 29 | — | — | #1,378 |
| 1924 | 20 | — | — | #1,810 |
| 1923 | 24 | — | — | #1,573 |
| 1922 | 30 | — | — | #1,359 |
| 1921 | 15 | — | — | #2,214 |
| 1920 | 27 | — | — | #1,444 |
| 1919 | 23 | — | — | #1,558 |
| 1918 | 17 | — | — | #1,952 |
| 1917 | 15 | — | — | #2,044 |
| 1916 | 10 | — | — | #2,643 |
| 1915 | 6 | — | — | #3,635 |
| 1914 | 9 | — | — | #2,367 |
| 1913 | 5 | — | — | #3,055 |