The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.

• Administrators‏‎ (1 member)
• All articles needing examples‏‎ (1 member)
• All articles with unsourced statements‏‎ (2 members)
• All pages needing cleanup‏‎ (1 member)
• Article message templates with missing parameters‏‎ (1 member)
• Articles needing examples‏‎ (1 member)
• Articles which use infobox templates with no data rows‏‎ (1 member)
• Articles with invalid date parameter in template‏‎ (1 member)
• Articles with unsourced statements‏‎ (2 members)
• Disambiguation pages‏‎ (6 members)
• IPod community‏‎ (3 members)
• Pages with broken file links‏‎ (31 members)
• Pages with ignored display titles‏‎ (2 members)
• Pages with incorrectly substituted templates‏‎ (1 member)
• Pages with script errors‏‎ (2 members)
• Templates including undated clean-up tags‏‎ (1 member)
• Templates needing substitution checking‏‎ (1 member)
• Utility templates‏‎ (2 members)
• Wikipedia keypress template parameter needs fixing‏‎ (1 member)