Total babies named Koya (all years): 82
| Year | Girls (count / rank / %) |
|---|---|
| 2020 | 5 / #16411 / 0.000% |
| 2019 | 6 / #14758 / 0.000% |
| 2010 | 5 / #18557 / 0.000% |
| 2005 | 7 / #13795 / 0.000% |
| 1997 | 6 / #12972 / 0.000% |
| 1995 | 5 / #14641 / 0.000% |
| 1984 | 5 / #11271 / 0.000% |
| 1983 | 6 / #9601 / 0.000% |
| 1981 | 9 / #7079 / 0.001% |
| 1979 | 8 / #7650 / 0.001% |
| Year | Girls (count / rank / %) |
|---|---|
| 1978 | 6 / #9096 / 0.000% |
| 1976 | 9 / #6309 / 0.001% |
| 1973 | 5 / #9049 / 0.000% |