apply_filters( 'edit_categories_per_page', int $tags_per_page )
Filters the number of terms displayed per page for the Categories list table.
Parameters
- $tags_per_page
-  (int) Number of categories to be displayed. Default 20. 
Source
Changelog
| Version | Description | 
|---|---|
| 2.8.0 | Introduced. | 
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Licensed under the GNU GPLv2+ License.
    https://developer.wordpress.org/reference/hooks/edit_categories_per_page