There are 12,240 pages in this category.
For a display of the most recent UnAnswers, see UnAnswers:Recent UnAnswers (there's a link in the toolbox on the sidebar, too).
For a list of the unanswered questions, see Category:UnAsked. The total for both categories is 12,240 UnAnswered + 911 UnAsked = 13,151 entries. There are 12,533 articles on the wiki; the rest are obviously subcategories.
This category has the following 200 subcategories, out of 603 total.