Concerning the Reformation and the two big doctrines that came out of it -- sola scriptura (Bible alone) and sola fide (faith alone) -- there was a Pew Research

Concerning the Reformation and the two big doctrines that came out of it -- sola scriptura (Bible alone) and sola fide (faith alone) -- there was a Pew Research poll done a few years ago, asking U.S. Protestants about whether they ascribed to those beliefs. Turns out, only 30 percent of U.S. Protestants believe in both sola fide and sola scriptura. https://www.americamagazine.org/faith/2017/08/31/poll-most-protestants-and-catholics-believe-faith-and-works-are-necessary https://www.americamagazine.org/faith/2017/08/31/poll-most-p...