Total babies named Kolsen (all years): 661
| Year | Boys (count / rank / %) |
|---|---|
| 2024 | 155 / #1269 / 0.009% |
| 2023 | 76 / #2009 / 0.004% |
| 2022 | 56 / #2482 / 0.003% |
| 2021 | 45 / #2799 / 0.003% |
| 2020 | 61 / #2250 / 0.004% |
| 2019 | 51 / #2569 / 0.003% |
| 2018 | 36 / #3209 / 0.002% |
| 2017 | 18 / #5210 / 0.001% |
| 2016 | 17 / #5441 / 0.001% |
| 2015 | 28 / #3834 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 2014 | 17 / #5382 / 0.001% |
| 2013 | 15 / #5817 / 0.001% |
| 2012 | 14 / #6183 / 0.001% |
| 2011 | 26 / #3955 / 0.001% |
| 2010 | 10 / #7903 / 0.001% |
| 2009 | 7 / #10515 / 0.000% |
| 2008 | 10 / #8040 / 0.000% |
| 2007 | 8 / #9389 / 0.000% |
| 2006 | 6 / #11439 / 0.000% |
| 2005 | 5 / #12515 / 0.000% |