A review of the term obsessive-compulsive personality (or anal character) is presented. Statistical studies of obsessive-compulsive personality conducted over approximately the last two decades are then reviewed, emphasizing the extent to which they support theory, clinical observation, and description. Evidence is still needed on precise etiological determinants, and persuasive evidence in favor of classical psychoanalytic theories about etiology is lacking. Empirically based findings to date, however, are congruent with clinical observation, description, and prediction regarding the salient behavioral characteristics and character styles of obsessive-compulsive individuals.The obsessive-compulsive personality or anal character, as it is sometimes termed, came under close scrutiny by Freud and his colleagues (