Total babies named Declen (all years): 77
| Year | Boys (count / rank / %) |
|---|---|
| 2022 | 10 / #7894 / 0.001% |
| 2020 | 5 / #12479 / 0.000% |
| 2019 | 5 / #12601 / 0.000% |
| 2018 | 8 / #9023 / 0.000% |
| 2017 | 6 / #11088 / 0.000% |
| 2016 | 8 / #9040 / 0.000% |
| 2015 | 11 / #7177 / 0.001% |
| 2014 | 6 / #11052 / 0.000% |
| 2013 | 8 / #8983 / 0.000% |
| 2012 | 5 / #12705 / 0.000% |
| Year | Boys (count / rank / %) |
|---|---|
| 2011 | 5 / #12732 / 0.000% |