Total babies named Jansen (all years): 2,304
| Year | Boys (count / rank / %) |
|---|---|
| 2024 | 45 / #2842 / 0.003% |
| 2023 | 38 / #3194 / 0.002% |
| 2022 | 38 / #3179 / 0.002% |
| 2021 | 41 / #2996 / 0.002% |
| 2020 | 36 / #3162 / 0.002% |
| 2019 | 47 / #2710 / 0.003% |
| 2018 | 47 / #2646 / 0.003% |
| 2017 | 59 / #2253 / 0.003% |
| 2016 | 40 / #2950 / 0.002% |
| 2015 | 47 / #2623 / 0.002% |
| Year | Boys (count / rank / %) |
|---|---|
| 2014 | 41 / #2865 / 0.002% |
| 2013 | 45 / #2638 / 0.002% |
| 2012 | 40 / #2926 / 0.002% |
| 2011 | 42 / #2827 / 0.002% |
| 2010 | 45 / #2704 / 0.002% |
| 2009 | 40 / #2969 / 0.002% |
| 2008 | 40 / #2973 / 0.002% |
| 2007 | 59 / #2246 / 0.003% |
| 2006 | 49 / #2491 / 0.002% |
| 2005 | 50 / #2346 / 0.003% |
| Year | Boys (count / rank / %) |
|---|---|
| 2004 | 52 / #2223 / 0.003% |
| 2003 | 38 / #2644 / 0.002% |
| 2002 | 46 / #2271 / 0.002% |
| 2001 | 57 / #1920 / 0.003% |
| 2000 | 52 / #1980 / 0.003% |
| 1999 | 56 / #1787 / 0.003% |
| 1998 | 64 / #1630 / 0.003% |
| 1997 | 66 / #1560 / 0.004% |
| 1996 | 56 / #1698 / 0.003% |
| 1995 | 53 / #1690 / 0.003% |
| Year | Boys (count / rank / %) |
|---|---|
| 1994 | 88 / #1235 / 0.005% |
| 1993 | 40 / #2028 / 0.002% |
| 1992 | 47 / #1789 / 0.002% |
| 1991 | 26 / #2637 / 0.001% |
| 1990 | 35 / #2102 / 0.002% |
| 1989 | 35 / #2043 / 0.002% |
| 1988 | 30 / #2108 / 0.002% |
| 1987 | 24 / #2363 / 0.001% |
| 1986 | 27 / #2125 / 0.001% |
| 1985 | 31 / #1889 / 0.002% |
| Year | Boys (count / rank / %) |
|---|---|
| 1984 | 29 / #1910 / 0.002% |
| 1983 | 20 / #2447 / 0.001% |
| 1982 | 20 / #2467 / 0.001% |
| 1981 | 27 / #2014 / 0.002% |
| 1980 | 26 / #2084 / 0.001% |
| 1979 | 18 / #2631 / 0.001% |
| 1978 | 18 / #2521 / 0.001% |
| 1977 | 21 / #2236 / 0.001% |
| 1976 | 8 / #4185 / 0.001% |
| 1975 | 10 / #3531 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1974 | 5 / #5561 / 0.000% |
| 1973 | 11 / #3109 / 0.001% |
| 1972 | 11 / #3055 / 0.001% |
| 1971 | 6 / #4635 / 0.000% |
| 1970 | 6 / #4469 / 0.000% |
| 1969 | 10 / #2948 / 0.001% |
| 1966 | 5 / #4213 / 0.000% |
| 1965 | 10 / #2683 / 0.001% |
| 1964 | 7 / #3434 / 0.000% |
| 1961 | 5 / #4338 / 0.000% |
| Year | Boys (count / rank / %) |
|---|---|
| 1958 | 5 / #4207 / 0.000% |