Total babies named Kooper (all years): 4,145
| Year | Boys (count / rank / %) |
|---|---|
| 2024 | 201 / #1082 / 0.012% |
| 2023 | 215 / #1017 / 0.013% |
| 2022 | 230 / #980 / 0.013% |
| 2021 | 191 / #1097 / 0.011% |
| 2020 | 177 / #1112 / 0.010% |
| 2019 | 181 / #1098 / 0.010% |
| 2018 | 190 / #1064 / 0.010% |
| 2017 | 181 / #1083 / 0.010% |
| 2016 | 182 / #1084 / 0.010% |
| 2015 | 201 / #1014 / 0.010% |
| Year | Boys (count / rank / %) |
|---|---|
| 2014 | 178 / #1084 / 0.009% |
| 2013 | 186 / #1037 / 0.010% |
| 2012 | 183 / #1046 / 0.010% |
| 2011 | 170 / #1094 / 0.009% |
| 2010 | 167 / #1125 / 0.009% |
| 2009 | 171 / #1088 / 0.009% |
| 2008 | 149 / #1190 / 0.007% |
| 2007 | 126 / #1340 / 0.006% |
| 2006 | 94 / #1569 / 0.005% |
| 2005 | 86 / #1601 / 0.004% |
| Year | Boys (count / rank / %) |
|---|---|
| 2004 | 58 / #2065 / 0.003% |
| 2003 | 54 / #2093 / 0.003% |
| 2002 | 31 / #2989 / 0.002% |
| 2001 | 49 / #2137 / 0.003% |
| 2000 | 22 / #3713 / 0.001% |
| 1999 | 25 / #3240 / 0.001% |
| 1998 | 20 / #3656 / 0.001% |
| 1997 | 15 / #4370 / 0.001% |
| 1996 | 14 / #4518 / 0.001% |
| 1995 | 11 / #5355 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1994 | 11 / #5287 / 0.001% |
| 1993 | 13 / #4595 / 0.001% |
| 1992 | 6 / #7999 / 0.000% |
| 1990 | 5 / #8877 / 0.000% |