Total babies named Jassen (all years): 266
| Year | Boys (count / rank / %) |
|---|---|
| 2015 | 5 / #12913 / 0.000% |
| 2012 | 5 / #13079 / 0.000% |
| 2011 | 5 / #13157 / 0.000% |
| 2003 | 5 / #11675 / 0.000% |
| 2002 | 6 / #9938 / 0.000% |
| 1998 | 5 / #10338 / 0.000% |
| 1993 | 5 / #9353 / 0.000% |
| 1989 | 5 / #8454 / 0.000% |
| 1985 | 7 / #5411 / 0.000% |
| 1983 | 6 / #5805 / 0.000% |
| Year | Boys (count / rank / %) |
|---|---|
| 1982 | 6 / #5969 / 0.000% |
| 1981 | 8 / #4712 / 0.000% |
| 1980 | 20 / #2480 / 0.001% |
| 1979 | 12 / #3445 / 0.001% |
| 1978 | 19 / #2422 / 0.001% |
| 1977 | 20 / #2305 / 0.001% |
| 1976 | 17 / #2552 / 0.001% |
| 1975 | 14 / #2818 / 0.001% |
| 1974 | 23 / #1953 / 0.001% |
| 1973 | 20 / #2079 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1972 | 17 / #2280 / 0.001% |
| 1971 | 13 / #2741 / 0.001% |
| 1970 | 11 / #2973 / 0.001% |
| 1968 | 6 / #3904 / 0.000% |
| 1967 | 6 / #3737 / 0.000% |