Koji

Given to 645 US babies since 1922

▲ Rising +118% vs. 2018–2020

Rank in 2025

#3379

recorded as boys

821 since 2024

Babies in 2025

boys 34

Peak year

2025

34 babies recorded as boys

All-time total

645

since 1922

Born a Koji? See how many share your birth year.

Any year from 1880 to 2025.

Babies per 1,000 (same sex), 1880–2025

Recorded as boys

Koji was most popular in 2025, when 34 babies recorded as boys got the name (0.02 per 1,000). In 2025, 34 babies were named Koji, ranking #3379 for babies recorded as boys. Compared with 2018–2020, it's up 118%.

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Show every year

Year	Girls	Rank	Boys	Rank
2025	<5	—	34	3379
2024	<5	—	25	4200
2023	<5	—	33	3474
2022	<5	—	26	4089
2021	<5	—	19	4936
2020	<5	—	12	6620
2019	<5	—	15	5813
2018	<5	—	14	6036
2017	<5	—	13	6338
2016	<5	—	28	3776
2015	<5	—	17	5289
2014	<5	—	15	5733
2013	<5	—	18	4981
2012	<5	—	14	6001
2011	<5	—	14	5945
2010	<5	—	21	4517
2009	<5	—	15	5800
2008	<5	—	21	4540
2007	<5	—	17	5210
2006	<5	—	11	6904
2005	<5	—	18	4631
2004	<5	—	13	5813
2003	<5	—	14	5271
2002	<5	—	13	5395
2001	<5	—	10	6445
2000	<5	—	14	5040
1999	<5	—	7	7874
1998	<5	—	9	6314
1997	<5	—	<5	—
1996	<5	—	7	7136
1995	<5	—	13	4508
1994	<5	—	5	8800
1993	<5	—	<5	—
1992	<5	—	14	4114
1991	<5	—	8	5942
1990	<5	—	10	4993
1989	<5	—	6	6941
1988	<5	—	6	6426
1987	<5	—	<5	—
1986	<5	—	7	5332
1985	<5	—	6	5785
1984	<5	—	18	2613
1983	<5	—	12	3411
1982	<5	—	5	6385
1981	<5	—	<5	—
1980	<5	—	5	6250
1979	<5	—	<5	—
1978	<5	—	<5	—
1977	<5	—	<5	—
1976	<5	—	<5	—
1975	<5	—	6	4797
1974	<5	—	7	4190
1973	<5	—	5	5101
1972	<5	—	9	3344
1971	<5	—	<5	—
1970	<5	—	<5	—
1969	<5	—	<5	—
1968	<5	—	<5	—
1967	<5	—	<5	—
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1965	<5	—	<5	—
1964	<5	—	<5	—
1963	<5	—	<5	—
1962	<5	—	<5	—
1961	<5	—	<5	—
1960	<5	—	<5	—
1959	<5	—	<5	—
1958	<5	—	<5	—
1957	<5	—	<5	—
1956	<5	—	<5	—
1955	<5	—	<5	—
1954	<5	—	<5	—
1953	<5	—	<5	—
1952	<5	—	<5	—
1951	<5	—	<5	—
1950	<5	—	<5	—
1949	<5	—	<5	—
1948	<5	—	<5	—
1947	<5	—	<5	—
1946	<5	—	<5	—
1945	<5	—	<5	—
1944	<5	—	<5	—
1943	<5	—	<5	—
1942	<5	—	<5	—
1941	<5	—	<5	—
1940	<5	—	<5	—
1939	<5	—	<5	—
1938	<5	—	<5	—
1937	<5	—	<5	—
1936	<5	—	<5	—
1935	<5	—	<5	—
1934	<5	—	<5	—
1933	<5	—	<5	—
1932	<5	—	<5	—
1931	<5	—	<5	—
1930	<5	—	<5	—
1929	<5	—	<5	—
1928	<5	—	<5	—
1927	<5	—	<5	—
1926	<5	—	6	3708
1925	<5	—	5	4197
1924	<5	—	<5	—
1923	<5	—	<5	—
1922	<5	—	5	4307