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The Australian and New Zealand Standard Classification of Occupations (ANZSCO) is a skill-based classification used to categorizes all occupations.
ANZSCO defined
ANZSCO is the skill-based classification used to categorise all occupations and jobs undertaken for profit in the Australian and New Zealand labour markets. It is used in the collection and dissemination of all official statistics on occupation and is a key tenet of Australia’s statistical infrastructure. ANZSCO is applied to a range of data sets, including the Census of Population and Housing, that inform and support government policy settings and programs – from vocational education and training to skilled migration programs.
The custodians of ANZSCO are ABS and Stats NZ. These agencies developed ANZSCO as a joint project which was first published in 2006. While the ANZSCO has had some minor updates, it still largely reflects the original 2006 version of ANZSCO, which was based on the 2001 labor market.
How ANZSCO works
ANZSCO is a hierarchical classification system that categorises occupations according to one of 8 major groups and then into increasingly smaller sub-categories: sub-major group; minor group; unit group, before resulting in the specific occupation. The hierarchical structure of ANZSCO is illustrated in Figure 1. This includes examples of how that structure works for each of the major groups.
These hierarchical levels have a corresponding reference number (‘code’) with a specific number of digits:
- major groups are represented by a single digit code
- sub-major groups by a 2 digit code
- minor groups by a 3 digit code
- unit groups by a 4 digit code
- occupations by a 6 digit code.
Workforce data is captured at the lowest level, the 6-digit ‘occupation’, through data collections such as the Census and the Labour Force Survey. However, data tends to be presented at a higher level such as at the sub-major group (3 digit categories) or unit group (4 digit categories). For example, the 2016 Census Employment Data Cube (ABS 2018) (see table 8) provides numbers of workers at the unit group (4 digit) level.
Definitions and specializations
Each occupation in ANZSCO is defined by its primary tasks. Each occupation’s definition may also include alternate titles for the occupation as well as note specializations.
Information on industries and sectors is captured using a separate classification system, the Australian and New Zealand Standard Industrial Classification (ANZSIC). ANZSIC is used to classify the activity of organizations undertaking productive activities such as businesses, companies and not-for-profit organization’s. It enables information about businesses, including employee data, to be grouped by reference to their industry and supports comparisons between industries.
Some occupations are unique to an industry or sector, for example, shearer is an occupation that is unique to the agriculture sector while miner is unique to the mining industry. Other occupations, such as accountant and human resource manager, are common to multiple industries or sectors. These occupations can only be aligned to a specific industry or sector if there are underlying tasks and skills which are distinct to that industry. Box 1 shows how some occupations in ANZSCO are defined.
Data on the number of people undertaking a particular occupation are only captured at the 6-digit occupation level. Data are not able to be further delineated to show the number of people that are undertaking a specialisation nor an occupation that is included in a catch-all ‘nec’ (not elsewhere classified) category. To ensure that all occupations are represented in the ANZSCO, some which do not meet the threshold for the number of people undertaking them are gathered into catch-all ‘nec’ (not elsewhere classified) categories across the classification.