A Statistical Local Area is an ASGC defined area used prior to the 2011 Census which consists of one or more Collection Districts (CDs). Statistical Local Areas have been made available in 2011 to provide a bridging unit between the ASGC and the ASGS.

The geographical standard developed by the ABS for the collection and dissemination of geographic statistics. It replaced the Australian Standard Geographical Classification from July 2011, as the standard geographical framework for ABS data.

Smallest geographical area used by the ABS in censuses prior to 2011. From 2011, CD's were replaced with Statistical Areas Level 1 (SA1s).

Structure of dwelling e.g. detached house, flat.

Dump codes are codes assigned to records with incomplete workplace address information.

Is the official measure of the population of Australia, based on the concept of usual residence. Adjustments are made on the latest Census population counts, to include usual residents who are overseas for less than 12 months and to exclude overseas visitors who are in Australia for less then 12 months.

Digital mapping and database system

Survey of personal travel carried out in 1981 and 1991/92

A household survey of personal travel for residents of the Sydney GMA, conducted annually since June 1997. The survey collects information about people's day-to-day travel such as where they go, when they travel, the purpose of the trip, the means of transport used and the costs associated with the trip.

Number of registered vehicles usually garaged at the household overnight, whether privately or company owned.