This Mikrozensus special survey is on the topic of professional education and advanced education. It follows the special survey from September 1970 on workplace and employment change (Mikrozensus MZ7003) as well the special survey on the professional path in September 1972 (Mikrozensus MZ7203). In contrast to the mentioned surveys, this Mikrozensus (December 1973) has the emphasis on professional education and the achievement of better qualification through advanced education.