14. Mechanics
% of people who ranked them low on honesty and ethics: NA
Next up on our list of the least respected jobs and most untrustworthy professions in the world are mechanics. Mechanics are widely distrusted and thought of as being unscrupulous and unprincipled people who will never let go of an opportunity to over-charge you for a simple job. One bad experience with a dodgy mechanic is enough to color your opinion and make you lose all respect for this group of professionals.
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