President Trump entered the White House in January of 2017; by the end of his first month in office, Trump had a net disapproval rating in only six liberal states: California, Vermont, Massachusetts, Rhode Island, Maryland and Hawaii. By the end of September of 2018, however, Trump’s disapproval disease had spread to 29 states.
Though Trump’s national approval rate was once as low as 37% (58.1% disapproval) in December of 2017, his approval has rebounded somewhat to the current 44% (52.5% disapproval), according to the Real Clear Politics average of polls. But not once in Trump’s very long two years in office has he gotten close to the 50% approval threshold.
The RCP average of the approval polls shows that Trump topped out at 46% approval shortly after taking office and has not reached that high-water mark since. Over the last few months, Trump’s approval has hovered between 40% and 44%. And over the last week or so of right-wing violence in the news (political violence that has historical precedent) as we approach the midterm election, Trump’s approval rate has slightly dipped (.4 %), while his disapproval has slightly risen (.5%).
So Trump’s midterm campaigning push has not garnered him, or the Republican Party–Democratic Party support in the RCP Generic Congressional poll has increased by about one percentage point over the Republicans since the start of October– much of a popularity boost.
There is a Twitter site, founded in November 2016, called “Trump Regrets” that collects, by retweeting, the tweeted regrets of previous voters for Trump. At the moment, it has retweeted 2,683 times. I suspect that this is a very small sample of the total tally of Trump regret.