The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- All articles lacking sources (84 members)
- All articles needing additional references (46 members)
- All articles to be expanded (9 members)
- All articles with empty sections (5 members)
- All articles with style issues (1 member)
- All articles with unsourced statements (15 members)
- All non-free media (19 members)
- All pages needing cleanup (1 member)
- Animi (14 members)
- Arc 1 (5 members)
- Arc 2 (5 members)
- Arc 3 (5 members)
- Article message templates (10 members)
- Article message templates with missing parameters (4 members)
- Articles lacking sources (18 members)
- Articles lacking sources from December 2024 (65 members)
- Articles lacking sources from February 2025 (2 members)
- Articles lacking sources from Febuary 2025 (1 member)
- Articles lacking sources from January 2025 (2 members)
- Articles lacking sources from March 2025 (2 members)
- Articles needing additional references from December 2024 (30 members)
- Articles needing additional references from February 2025 (4 members)
- Articles needing additional references from January 2025 (3 members)
- Articles needing additional references from March 2025 (5 members)
- Articles to be expanded (8 members)
- Articles to be expanded from December 2024 (1 member)
- Articles to be expanded from March 2025 (1 member)
- Articles with empty sections (3 members)
- Articles with empty sections from December 2024 (1 member)
- Articles with empty sections from March 2025 (1 member)
- Articles with hatnote templates targeting a nonexistent page (1 member)
- Articles with invalid date parameter in template (21 members)
- Articles with unsourced statements (8 members)
- Articles with unsourced statements from December 2024 (8 members)
- Articles with unsourced statements from February 2025 (1 member)
- Articles with unsourced statements from January 2025 (2 members)
- Books (22 members)
- Category namespace templates (1 member)
- Character (0 members)
- Characters (132 members)
- Citation and verifiability maintenance templates (3 members)
- Cleanup templates (2 members)
- Disambiguation and redirection hatnote templates (1 member)
- External link templates (2 members)
- File message boxes (9 members)
- File namespace templates (25 members)
- Formatting templates (1 member)
- Hatnote templates (1 member)
- Header templates (3 members)
- Hidden categories (13 members)