Total babies named Jacek (all years): 527
| Year | Boys (count / rank / %) |
|---|---|
| 2024 | 5 / #13004 / 0.000% |
| 2023 | 5 / #12975 / 0.000% |
| 2021 | 6 / #11293 / 0.000% |
| 2020 | 10 / #7741 / 0.001% |
| 2019 | 10 / #7861 / 0.001% |
| 2018 | 19 / #4998 / 0.001% |
| 2017 | 14 / #6155 / 0.001% |
| 2016 | 21 / #4681 / 0.001% |
| 2015 | 8 / #9075 / 0.000% |
| 2014 | 17 / #5344 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 2013 | 37 / #3019 / 0.002% |
| 2012 | 32 / #3409 / 0.002% |
| 2011 | 23 / #4274 / 0.001% |
| 2010 | 16 / #5582 / 0.001% |
| 2009 | 20 / #4824 / 0.001% |
| 2008 | 30 / #3589 / 0.001% |
| 2007 | 28 / #3732 / 0.001% |
| 2006 | 26 / #3830 / 0.001% |
| 2005 | 25 / #3760 / 0.001% |
| 2004 | 15 / #5355 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 2003 | 16 / #4901 / 0.001% |
| 2002 | 10 / #6734 / 0.001% |
| 2001 | 22 / #3771 / 0.001% |
| 1999 | 6 / #9155 / 0.000% |
| 1998 | 7 / #7913 / 0.000% |
| 1997 | 10 / #5817 / 0.001% |
| 1996 | 8 / #6744 / 0.000% |
| 1995 | 6 / #8212 / 0.000% |
| 1993 | 9 / #5943 / 0.000% |
| 1990 | 5 / #8657 / 0.000% |
| Year | Boys (count / rank / %) |
|---|---|
| 1989 | 5 / #8410 / 0.000% |
| 1988 | 5 / #7746 / 0.000% |
| 1987 | 5 / #7432 / 0.000% |
| 1985 | 7 / #5398 / 0.000% |
| 1984 | 6 / #5883 / 0.000% |
| 1983 | 7 / #5136 / 0.000% |
| 1978 | 7 / #4746 / 0.000% |
| 1977 | 9 / #3970 / 0.001% |
| 1972 | 5 / #5293 / 0.000% |
| 1965 | 5 / #4158 / 0.000% |