The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Articles containing potentially dated statements from November 2018 (1 member)
- Articles containing potentially dated statements from November 3,2013 (0 members)
- Articles containing potentially dated statements from October 2014 (2 members)
- Articles containing potentially dated statements from October 2015 (0 members)
- Articles containing potentially dated statements from October 2016 (1 member)
- Articles containing potentially dated statements from October 2018 (7 members)
- Articles containing potentially dated statements from September 2014 (1 member)
- Articles containing potentially dated statements from September 2019 (1 member)
- Articles containing potentially dated statements from September 2020 (1 member)
- Articles containing potentially dated statements from before 1990 (1 member)
- Articles using fixed number of columns in reflist (1 member)
- Articles with invalid date parameter in template (3 members)
- Bad external links (0 members)
- Bad links (0 members)
- Bad map editor links (0 members)
- Bad unidentified links (1 member)
- Bad wiki links (0 members)
- Bahamas (1 member)
- Belize (1 member)
- Bots (1 member)
- Box templates (3 members)
- Broken links (11 members)
- Broken redirects (0 members)
- California (2 members)
- Cartouche links (0 members)
- Categories needing attention (7 members)
- Category management templates (3 members)
- Category namespace templates (1 member)
- Character-substitution templates (10 members)
- Check for country specific content (0 members)
- Cleanup templates (1 member)
- Client applications (10 members)
- Collapse templates (0 members)
- Colorado (1 member)
- CommonState (1 member)
- Communication templates (1 member)
- Community Administration (16 members)
- Community administration (0 members)
- Computer keys (2 members)
- Connecticut (7 members)
- Construction (133 members)
- Convert to subpage (0 members)
- Convert to subpages (12 members)
- Country list (2 members)
- Cross-reference templates (1 member)
- Custom color scheme (1 member)
- Date-computing templates (4 members)
- Delaware (1 member)
- Disambiguation (29 members)
- Disambiguation and redirection templates (3 members)