Koichi Popularity by Year
Follow Koichi across every available national year. Rankings and birth counts remain separated by the source dataset’s girl and boy categories.
Koichi birth-count history
The chart samples long histories for faster loading. The complete table below includes every recorded year.
Complete year-by-year record
| Year | Category | Births | Rank | Change from previous recorded year |
|---|---|---|---|---|
| 2007 | Boys | 5 | #12,367 | Down 3,567 places |
| 1994 | Boys | 5 | #8,800 | Down 2,374 places |
| 1988 | Boys | 6 | #6,426 | Down 2,834 places |
| 1930 | Boys | 6 | #3,592 | Up 367 places |
| 1929 | Boys | 5 | #3,959 | Down 808 places |
| 1927 | Boys | 8 | #3,151 | Up 557 places |
| 1926 | Boys | 6 | #3,708 | Up 33 places |
| 1925 | Boys | 6 | #3,741 | Down 1,100 places |
| 1924 | Boys | 11 | #2,641 | Down 195 places |
| 1923 | Boys | 12 | #2,446 | Up 568 places |
| 1922 | Boys | 9 | #3,014 | Down 955 places |
| 1921 | Boys | 16 | #2,059 | Up 1,149 places |
| 1920 | Boys | 8 | #3,208 | Down 823 places |
| 1919 | Boys | 12 | #2,385 | Up 13 places |
| 1918 | Boys | 12 | #2,398 | Up 558 places |
| 1917 | Boys | 8 | #2,956 | Up 941 places |
| 1916 | Boys | 5 | #3,897 | Down 633 places |
| 1914 | Boys | 5 | #3,264 | — |