Popularity in Belgium
Numbers
| Guillaume (masculine) | |||
| Year | Rank | Times Used | |
| 2023 | - | - | |
| 2022 | - | - | |
| 2021 | - | - | |
| 2020 | - | - | |
| 2019 | - | - | |
| 2018 | #180 | 65 | |
| 2017 | - | - | |
| 2016 | #130 | 94 | |
| 2015 | #145 | 81 | |
| 2014 | #90 | 134 | |
| 2013 | #106 | 112 | |
| 2012 | #91 | 132 | |
| 2011 | #87 | 134 | |
| 2010 | #90 | 137 | |
| 2009 | #77 | 152 | |
| 2008 | #75 | 157 | |
| 2007 | #54 | 192 | |
| 2006 | #54 | 200 | |
| 2005 | #48 | 203 | |
| 2004 | #41 | 215 | |
| 2003 | #33 | 235 | |
| 2002 | #28 | 270 | |
| 2001 | #17 | 346 | |
| 2000 | #17 | 365 | |
| 1999 | #13 | 403 | |
| 1998 | #15 | 385 | |
| 1997 | #13 | 423 | |
| 1996 | #16 | 418 | |
| 1995 | #20 | 363 | |
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