American attitudes about evolution more than 200 years after Darwin’s birth and more than 150 years after the publication of On the Origin of Species remain complex. Nearly 4-in-10 Americans (38%) believe that humans have existed in present form since creation, while nearly 6-in-10 (57%) believe that humans have evolved. However, even those who believe in evolution are divided between those who think humans evolved through natural selection (30%) and those who think God guided evolution (22%).

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