The baby name Jania appears in baby name data for the United States from 1988 to 2024. It was most popular in 2005 with 271 babies given the name.
In the later years of this period, Jania has become less common than it once was.
| Year | Count |
|---|---|
| 1988 | 10 |
| 1995 | 7 |
| 1996 | 10 |
| 1997 | 37 |
| 1998 | 8 |
| 1999 | 73 |
| 2000 | 74 |
| 2001 | 135 |
| 2002 | 107 |
| 2003 | 173 |
| 2004 | 213 |
| 2005 | 271 |
| 2006 | 237 |
| 2007 | 214 |
| 2008 | 155 |
| 2009 | 99 |
| 2010 | 82 |
| 2011 | 34 |
| 2013 | 11 |
| 2014 | 15 |
| 2015 | 12 |
| 2016 | 10 |
| 2019 | 17 |
| 2020 | 35 |
| 2021 | 43 |
| 2022 | 24 |
| 2023 | 28 |
| 2024 | 17 |