A Third of Americans Don't Believe in Evolution Among Republicans, it's more than half: Pew survey By Neal Colgrass, Newser Staff Posted Dec 30, 2013 3:35 PM CST 466 comments Comments Hello ... have we met? (Shutterstock) (Newser) – Sorry, science: Fewer than half of Republicans and white evangelical Protestants in the US believe that humans and other living things have evolved over time, according to a survey by the Pew Research Center. Overall, a third of Americans say living things are unchanged "since the beginning of time," and Republicans are growing more likely to say so, Reuters reports. Meanwhile, 67% of Democrats and nearly 80% of white mainline protestants are pro-evolution. Among stats from the survey: 25% of adults say "a supreme being guided human evolution of living things"; 32% believe evolution was guided by nature. 64% of white evangelical protestants and 50% of black protestants don't believe in evolution. In 2009, 64% of Democrats and 54% of Republicans believed in evolution. Today's it's 67% of Democrats and 43% of Republicans. 65% of men and 55% of women believe in evolution. Click for the full survey of 1,983 adults across 50 states.