Psychologist lawrence kohlberg found that is relatively rare. preconventional reasoning a lack of morality postconventional morality conventional morality

Psychologist Lawrence Kohlberg found that post-conventional morality is relatively rare.
Post-conventional morality refers to the ethical reasoning of moral actors who made decision based on the right, values, duties, or principles that could universalizable. It is also the highest stage of morality in which that every person developed their own personal set of ethics and morals that they use to drive their behavior.