This group those who disapprove of Trump generates 80 per cent of all tweets from US adults and 72 per cent of tweets mentioning national politics, said the study released on Wednesday.
Those who strongly approve of Trump produce 11 per cent of all tweets from US adults. They create 25 per cent of tweets mentioning national politics.
Taken together, strong disapprovers and strong approvers of Trump generate 97 per cent of all tweets mentioning national politics from US adults on Twitter.
The survey involved 2,427 respondents with public Twitter accounts. Collectively, the participants produced more than 1.1 million tweets over the course of the study period - June 10, 2018-June 9, 2019.
The Pew Research Center used a guided Machine Learning model to classify each of these 1.1 million tweets as related to national politics or not.
The prevalence of tweets mentioning national politics from US adults who strongly disapprove of Trump is tied to two factors.
First, this group makes up a larger share of Twitter users than of the general public. The share of US adults on Twitter who strongly disapprove of Trump (55 per cent) is seven percentage points higher than the share of the general public that holds this view (48 per cent).
Second, this group is more likely to tweet about national politics than others on Twitter.
By contrast, US adults who strongly approve of Trump are underrepresented on Twitter relative to their presence in the population as a whole - 15 per cent of Twitter users strongly approve of Trump, compared with 29 per cent of the general public, said the study.
Twitter users who strongly approve of Trump generate 25 per cent of the political tweets that come from US adults - larger than the share of all Twitter users they represent (15 per cent).
The results also showed that 97 per cent of tweets from US adults that mentioned national politics over the study period came from just 10 per cent of users.
( With inputs from IANS )