Michael Pruser, director of data science for Decision Desk HQ, told the Times the trend has been relentless. “I don’t want to say, ‘The death cycle of the Democratic Party,’ but there seems to be no end to this,” Pruser said. “There is no silver lining or cavalry coming across the hill. This is month after month, year after year.”
The Republican gains have been particularly notable in swing states where partisan registration data is available.