Considering that the definition of the word "believe" is tied to concepts such as acceptance and opinion the answer is relative to number of non-critical thinke

Considering that the definition of the word "believe" is tied to concepts such as acceptance and opinion the answer is relative to number of non-critical thinkers out there. Ask instead "how many US citizens KNOW the earth is less than 10,000 years old?" and the answer will be a smaller number.