Enrolment projection overview

Updated: 17 February 2011

2005 Redistribution Statistics – Enrolment Projections: Australian Capital Territory

The statistics in this volume are provided by the Australian Electoral Commission (AEC). They have been prepared for the information of persons or organisations interested in the 2005 redistribution of electoral boundaries for 2 House of Representatives Electoral Divisions in the ACT.

The tables in this volume show the electoral enrolment figures as at 30 November 2004 and the projected enrolment figures at 30 April 2009 (the projection time for equality of enrolments for the purposes of Section 63A of the Commonwealth Electoral Act 1918). The figures are given at the following levels:

  • Census Collection District (CCD)
  • Statistical Local Area (SLA)
  • Electoral Division
  • ACT.

Following a recommendation by the Joint Standing Committee on Electoral Matters (JSCEM) that the AEC and the Australian Bureau of Statistics (ABS) work together on enrolment projections, the ABS has supplied enrolment projections to the AEC using AEC enrolment data as the base. The ABS used a cohort-component method to project the enrolment of each CCD to 30 April 2009.

Divisional Returning Officers (DROs) were asked to examine the ABS projections in the light of their local knowledge and experience, and to substitute their own projections where appropriate. DROs made use of information supplied by relevant local authority planning and statistical groups, as well as their own resources in undertaking this task. The Australian Electoral Officer for New South Wales also reviewed the projections and the changes made by DROs to ensure a consistent approach.

Statistics are given at the CCD level, as this level is the smallest commonly used geographic building block. The CCD figures are aggregated to show the totals for SLAs, which are comprised of a number of CCDs. Being somewhat larger than CCDs, SLAs may be more manageable for those who are interested in less detailed analysis. In most cases in the ACT, the SLA is equivalent to a suburb. Totals for each Division and the ACT are also given.

The statistics shown are broken down according to Electoral Division. Where a CCD or SLA crosses Divisional boundaries, the CCD or SLA concerned will be listed in each Division in which electors are enrolled. Only those electors resident in that Division are included in the figures for such CCDs or SLAs. To calculate the total number of electors shown in a split CCD or SLA, the component parts of the CCD or SLA from each relevant Division must be added together.

Two sets of enrolment statistics are shown. Figures are provided for 30 November 2004, which is the enrolment at close of business on the day the Australian Electoral Commission directed the commencement of the redistribution, and are the figures used for the Electoral Commissioner's determination of the enrolment quota under Section 65 of the Commonwealth Electoral Act 1918. The Table on page iii sets out theenrolment quota information to apply for this redistribution. Projected enrolment at 30 April 2009 is also given.

A Growth (%) is also given. This is the estimated growth rate for the period November 2004 to April 2009. The growth rate shown for each CCD is calculated by subtracting the actual enrolment from the projected enrolment, then dividing by the actual enrolment. The result is expressed as a percentage.

The first page of this volume shows total numbers of CCDs, and the total enrolments and growth rates for each Electoral Division in the ACT, as well as a total for the ACT. The subsequent pages show, for each Electoral Division, the name of each SLA in the Division, the identifier number of each CCD in the Division, the two sets of enrolment figures and the growth rates applicable to each CCD and SLA, with totals for the Division.

Maps of existing Electoral Division boundaries are available from the Federal Redistribution Secretariat, telephone 02 6271 4468. Maps of census collection districts can be obtained from the Australian Bureau of Statistics.

Data – CSV File

A comma (,) delimited text file [CSV 22KB] is available for download. This file includes enrolment and projected enrolment for each CCD. The file is sorted by electoral division and contains the following information:

  • Division Name
  • SLA Name
  • CCD Number
  • Actual Enrolment
  • Projected Enrolment

If technical difficulties are experienced in accessing this data, telephone the Redistribution Secretariat in Canberra (02) 6271 4468 or email Terry.Rushton@aec.gov.au.

Note: Access to a personal computer with the software program, Electoral Boundary Mapping System (EBMS), which runs within the commercial software program MapInfo, will be made available for interested persons, at the office of the Senior Divisional Returning Officer for the ACT.

Bookings will be required for half-day sessions and can be made by telephoning (02) 6257 2751 during business hours (9am to 5pm). Some knowledge of the systems will be assumed and only a very brief introduction can be offered. Access to this system will be available during the periods allowed for suggestions, comments on suggestions, objections and comments on objections.