Codes and Frequencies
OC2TRDNO classifies a person's secondary occupation, and describes the industrial sector within which it occurs. The sectors broadly correspond to primary, secondary and tertiary sectors.
Information on the social status of an occupation is contained in the variable OC2HIRNO.
Less than 3% of individuals have a coded secondary occupation in the 1900 Norwegian census.
- Norway 1865: All persons
- Norway 1875: All persons
- Norway 1900: All persons
- Norway 1910: All persons
- Norway: 1865, 1875, 1900, 1910