Question: What percentage of the us population has a phd?
Disambiguated questions and answers: question: For people age 25-30, what percentage of the US population has a phd?
For people age 25 and over, what percentage of the US population has a doctorate?
answer: 1.12%
2.03%
Natural Questions answer: 1.77 % (from the Wikipedia article "Educational attainment in the United States")