The percentage of adults aged >=25 years whose health was reported as excellent or very good increased with increased levels of education. Persons with a bachelor's degree or higher (73.1%) were nearly twice as likely to be reported as being in excellent or very good health as persons with less than a tall school diploma (37.9%). Persons with less than a tall school diploma were most likely to be reported as being in unbiased or poor health.
Source: cdc.gov