This Mikrozensus special survey from December 1989 is on the topic of professional education and advanced education. Similar surveys had been conducted in 1973 (Mikrozensus MZ7304) and 1982 (Mikrozensus MZ8204). Since professional education and advanced education has increased in importance it was necessary to again conduct a survey on the topic. In contrast to the mentioned surveys, this Mikrozensus has nearly only questions on advanced educational courses (within the last 5 years).