Codes and Frequencies
Most IPUMS data transformations are performed using variable harmonization tables that specify how each value in the source data is recoded. Some variables also require programming logic in addition to the harmonization table. The harmonization documents for this variable are:
LANGCH indicates the person's spoken language at home.
Comparability — General
This variable is only available in the 2000 sample.
The language the person knows best is recorded for all Swiss samples in the mother tongue variable, MTONGCH. The 2000 sample further identifies the language spoken at work or in school, recorded in an unharmonized source variable.
- All persons
- Switzerland: 2000