https://techcrunch.com/2021/02/16/reddits-transparency-report-shows-a-big-spam-problem-and-relatively-few-government-requests/

Reddit has published its transparency report for 2020, showing various numbers relating to removed content, government requests, and other administrative actions. The largest problem by far — in terms of volume, anyway — is spam, which made up nearly all content taken down. Legal requests for content takedown and user information were far fewer, but not trivial, in number.

The full report is quite readable, but a bit long; the main points to understand are summarized below.