Needs a careful read: the correlation is clearly pervasive but it’s not total.
They found a striking linear relationship between support for Trump and an authoritarian mind-set: The stronger a person supported Trump, the higher he or she scored on the RWA scale. People saying they strongly disapproved of Trump, for instance, had an average RWA score of 54. Those indicating complete support of the president, on the other hand, had an average score of 119, more than twice as authoritarian as Trump opponents.
Many fervent Trump supporters, Altemeyer and Dean write, “are submissive, fearful, and longing for a mighty leader who will protect them from life’s threats. They divide the world into friend and foe, with the latter greatly outnumbering the former.”