What percentage of the US population have PhD?

Answer 1

According to US 2000 Census, 1,754,331 of population over 25 years of age have a doctoral degree (PhD, EdD, etc). This is under one percent of population (0.96) in this age group.

Including people with professional degrees who are normally referred to with Dr title like physicians, dentists, etc (MD, DDS, etc) 5,373,866 (2.95%) of US population over 25 carry doctor title.

Answer 2

According to the US Census 2000, 2% of the population have Professional Degrees (MD, DDS, DVM, JD etc) and 1% have research based doctoral degrees (PhD, EdD etc).

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Answer 3

73% of those who hold a Doctorate are Caucasian.

Answer 4

U.S. academic institutions awarded 48,802 research doctorate degrees in 2008.

Answer 5

About 2% of the US population holds a PhD. This represents a small fraction of the overall population.