On Instagram, these types of posts were seen between five and six times per 10,000 views of content.
The company took down 9.2 million pieces of bullying and harassment content on Facebook during the third quarter.
On Instagram, the total was 7.8 million pieces.
Facebook has also been releasing prevalence numbers for other types of offensive content, such as hate speech.
The company said business services and consulting firmEYis conducting an audit of its metrics.
