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This is an administrative category, used for maintenance of the Wikipedia project. It is not part of the encyclopedia and contains non-article pages, or groups articles by status rather than subject. Do not include this category in content categories (except for eponymous maintenance categories).

This is a hidden category. It is not shown on its member pages, unless the corresponding user preference (Appearance → Show hidden categories) is set.

This category has a backlog that requires the attention of willing editors.
Please remove this notice when the backlog is cleared.

This category groups together the articles needing general clean-up. You can help by clicking through to an article and editing it.

You can find articles by:

• Longest wait time - see the monthly subcategories below.
• Most daily page views last month
• Topic, using WikiProject tags, subdivided by type of cleanup needed
• Topic, using Category:Wikipedia cleanup by subject

You can usually find more information about why the article was tagged:

• At the top of the article itself (the {{cleanup}} tag now requires a "reason" parameter).
• The article's talk page.
• Possibly on Wikipedia:Cleanup if the article has been dual-listed.

If you're unsure why the tag is there, the best thing to do is to ask on the article's talk page and ping the editor who added the tag (who can be found by checking the "View history" tab). If there is a dispute or if an expert opinion is needed, you can also ask for a third opinion, or ask for an expert opinion on WP:RFC or a WikiProject. If you're sure the article has been cleaned up, addressing any obvious flaws as well as any specific problems mentioned on the talk page, feel free to remove the tag. There's not much harm in leaving it on if you aren't certain what to do; the tag will alert someone else to come by later and check up on the article.

For more specific needs or for help on deciding when and how to tag, see Wikipedia:Cleanup resources.

Articles in the monthly subcategories are tagged e.g. {{Cleanup|date=August 2026}}. Articles placed in this category (by a clean-up tag) will be automatically re-filed by a bot to the appropriate monthly subcategory. This usually happens within 15 minutes, so there should not be many articles in the category.