Foto (v.l.n.r): MNStudio/, photodeti/, auremar/, Diego Cervo/

Working and Learning in a Changing World (ALWA)

Research Question

Working and Learning in a Changing World (ALWA) derived from its German name ‘Arbeiten und Lernen im Wandel’ for short, is a data set which was collected on behalf of the IAB within the project ‘Qualifications, Competencies and Working Lives’. The ALWA-data contain information about more than 10.400 life histories and allows detailed longitudinal analysis in particular about schooling and training decisions, labour market re-entries and labour market behaviour as well as about processes of family formation and regional mobility.

Test Language


Test Period

August 2007 to April 2008

Test Area


Population / Sample

The basic population consists of all German residents born between 1956 and 1988 irrespective of their spoken language, nationality and employment status. The random sample was drawn in two steps. First 281 sample points (250 communities) were taken from data provided by the Federal Statistical Office or its state agencies. Their local residents' registration offices were asked to provide a systematic random sample (interval sampling) from their person registers and to provide a list of addresses from the birth cohorts 1956-1988. Second, for the field work, 152 addresses per sample point were selected by a simple random sample, making a total of 42.712 addresses. For 22.656 addresses a valid telephone phone number could be researched.

Sample Size

10,404 interviews

Survey Procedure and Instruments

Telephone Interview: CATI (Computer Assisted Telephone Interview)

Link to the Detailed Description of the Study

Data Accessible via Research Data Centre

Research Data Centre (FDZ) of the Federal Employment Agency at the Institute for Employment Research (IAB)

Information about the user conditions can be found here:



Research Area(s)