”the top 25% most active posters were responsible for 98% of all public videos. The previous study on Twitter reveals a nearly identical statistic, showing that the top 25% posters produced 97% of all tweets.
The study also found that age wasn’t necessarily a factor in assessing adults’ TikTok posting habits. Participants aged 18-34 are more likely to use TikTok in the first place than those aged 35-49, but in both age groups, about half of users never posted.”