The Friday File: The most ethical and honest profession is nursing. 29% of American consider them to be very highly honest and ethical and 50% consider them highly ethical and honest. Doctors follow at 17% and 45%, and pharmacists at 14% and 44%. At the other end, telemarketers are the worst at 1% and 4%, then members of Congress at 1% and 7%, and car salespeople at 1% and 8%.