Popularity in England and Wales
Numbers
| Indigo (feminine) | |||
| Year | Rank | Percent Used | |
| 2023 | #558 | 0.024 | |
| 2022 | #596 | 0.022 | |
| 2021 | #438 | 0.033 | |
| 2020 | #525 | 0.025 | |
| 2019 | #590 | 0.022 | |
| 2018 | #478 | 0.028 | |
| 2017 | #683 | 0.018 | |
| 2016 | #630 | 0.020 | |
| 2015 | #549 | 0.023 | |
| 2014 | #576 | 0.022 | |
| 2013 | #626 | 0.019 | |
| 2012 | #654 | 0.018 | |
| 2011 | #817 | 0.013 | |
| 2010 | #910 | 0.011 | |
| 2009 | - | - | |
| 2008 | #957 | 0.010 | |
| 2007 | #963 | 0.009 | |
| 2006 | - | - | |
| 2005 | - | - | |
| 2004 | - | - | |
| 2003 | #855 | 0.010 | |
| 2002 | - | - | |
| 2001 | - | - | |
| 2000 | - | - | |
| 1999 | #985 | 0.007 | |
| 1998 | - | - | |
| 1997 | - | - | |
| 1996 | - | - | |
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