Total babies named Zailen (all years): 150
| Year | Boys (count / rank / %) |
|---|---|
| 2024 | 8 / #9837 / 0.000% |
| 2023 | 10 / #8234 / 0.001% |
| 2022 | 7 / #10824 / 0.000% |
| 2021 | 9 / #8810 / 0.001% |
| 2020 | 7 / #10574 / 0.000% |
| 2019 | 9 / #8871 / 0.001% |
| 2018 | 7 / #10733 / 0.000% |
| 2017 | 9 / #8816 / 0.000% |
| 2016 | 8 / #9643 / 0.000% |
| 2015 | 5 / #14012 / 0.000% |
| Year | Boys (count / rank / %) |
|---|---|
| 2014 | 13 / #6622 / 0.001% |
| 2013 | 12 / #7006 / 0.001% |
| 2012 | 10 / #8139 / 0.001% |
| 2011 | 15 / #5937 / 0.001% |
| 2010 | 10 / #8122 / 0.001% |
| 2009 | 11 / #7680 / 0.001% |