According to projections of the continuing educational volume with regard to the population between the ages of 19 and 64, the Adult Education Survey (AES) quotes 1,700 million hours spent in continuing educational programmes. In 1994, the volume of continuing covered 2,790 million hours, 1991 2,750 million hours.
After the decline of vocational continuing education in the comparison of 1991 (1,650 million hours) and 1994 (1,570 million hours), 1997 had the most hours (1,950 million hours) so far. The development (see table) has a declining tendency again: 1,660 million hours in 2000 and 1,240 million hours in 2003. The withdrawal of continuing education measures supported by the Social Code, is a possible reason for the decline between 2000 and 2003. In comparison to vocational continuing education, the volume of general continuing education increased between 1991 (555 million hours) and 1994 (590 million hours).
In the surveys between 1997 and 2003, only hours spent in formally organized vocational training was considered.
 Note.: For 1991 and 1994, the additional volume of „resumed training“ was recorded separately.