Mnemonic (reference code): OCCPUK

Definition: This variable records the occupation of the person, coded to the new Standard Occupational Classification (SOC2000). The 2001 Census uses the full classification down to unit group level – the lowest of the four levels in the classification.


  • All people aged 16 to 74 years working in the week before Census and all people aged 16 to 64 years who were not working in the week before Census but who last worked in 1996 or later, England, Wales and Scotland.
  • All people aged 16 to 74 years who have ever worked, Northern Ireland


The different levels in this classification are:

1 digit code (e.g. 1) – Major Group Level, 9 categories

2 digit code (e.g. 11) - Sub-Major Group Level, 25 categories

3 digit code (e.g. 111) – Minor Group Level, 81 categories

4 digit code (e.g. 1111) – Unit Group Level, 353 categories

The most detail used in standard output is the Sub-Major Group level.

The classifications can be found in the Standard Occupational Classification 2000 (SOC 2000)

These classifications are then used to assign individuals occupation groups via the Occupation hierarchy (Excel 33 Kb download)

Not applicable (XXXX) comprises:

  • All people aged 15 and under or aged 75 and over, UK
  • All people who last worked before 1996 or who have never worked
  • All people aged 65-74 who were not working in the week before census
  • All people aged 16-74 who have never worked


CAS033, CAS034, CAS035, CAS039, CAS040


S33, S34, S35, S39, S40, S209, S214, S240


T27, T28

UV30, UV79

Census Areas Statistics (CAS), Census Areas Statistics Theme (CAST), Key Statistics (KS) and Univariate (UV) tables are available for all census areas.

Standard (S) and Theme (T) tables are available at ST Ward/ST Postcode Sector and above.