Template:Underpopulated category/doc

Usage
This template places categories into Category:Underpopulated categories. Change this with the optional first unnamed parameter, shown below, which will place the category into the parent categories listed below. Or, if there is a significant number of categories relating to one topic, create a new subcategory, add the parameter as shown here, and document it on this page.

Note that underpopulated categories and its relevant subcategories (as below) contain over 4,000 supposedly underpopulated categories, and has had a backlog for over 3 years. Please keep this in mind and use discretion before adding this to any category.