Category:Articles lacking sources from December 2009

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This is a maintenance 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. This is a tracking category. It builds and maintains a list of pages primarily for the sake of the list itself. They are not part of the encyclopedia's categorization scheme. This category is hidden on its member pages—unless the corresponding user preference (Appearance → Show hidden categories) is set. These categories can be used to track, build and organize lists of pages needing "attention en masse" (for example, pages using deprecated syntax), or that may need to be edited at someone's earliest convenience. These categories also serve to aggregate members of several lists or sub-categories into a larger, more efficient list (discriminated by classifications).

This category combines all articles lacking sources from December 2009 (2009-12) to enable us to work through the backlog more systematically. It is a member of Category:Articles lacking sources.

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• Please help improve an article in this category by adding references to reliable sources that verify content within the article. Once reliable sources references have been added the unreferenced tag can be removed.

• As of 4 July 2025, there are 5,388 articles in this category.
• As of 4 May 2025, there are 8,278 articles in this category.
• As of 4 February 2025, there are 9,108 articles in this category.
• As of 4 December 2024, there are 9,568 articles in this category.
• As of 4 October 2024, there are 11,115 articles in this category. (Over 90%!)
• As of 4 August 2024, there are 11,593 articles in this category.
• As of 5 June 2024, there are 12,092 articles in this category.
• As of 4 April 2024, there are 12,925 articles in this category.
• As of 4 January 2024, there are 15,516 articles in this category.
• As of 4 November 2023, there are 16,017 articles in this category.
• As of 4 January 2023, there are 18,087 articles in this category.
• As of 27 January 2022, there are 20,986 articles in this category.
• As of 9 December 2021, there are 21,402 articles in this category.
• As of 8 January 2021, there are 25,000 articles in this category. (Over three quarter way!)
• As of 11 November 2020, there are 25,479 articles in this category.
• As of 8 April 2019, there are 30,942 articles in this category.
• As of 2 November 2018, there are 34,013 articles in this category.
• As of 18 February 2018, there are 36,448 articles in this category.
• As of 16 July 2017, there are 38,800 articles in this category.
• As of 18 February 2017, there are 40,496 articles in this category.
• As of 5 September 2016, there are 42,521 articles in this category.
• As of 31 December 2015, there are 46,143 articles in this category.
• As of 30 August 2015, there are 48,287 articles in this category. (Over half way!)
• As of 6 February 2015, there were 51,310 articles in this category.
• As of 2 January 2014, there were 59,109 articles in this category.
• As of 16 September 2013, there are 61,268 articles in this category.
• As of December 2009, there were ~100,000 articles in this category.