How to find the most recent population estimates
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Where to find the most recent population estimates
The most up-to-date population estimates for Australia and the states and territories can be found in Australian Demographic Statistics (cat. no. 3101.0). At the state and national level, figures are released every quarter for a reference period of 6 months previous (March figures in September, June figures in December and so on).
Census aims to obtain a complete measure of the number and characteristics of people in Australia on Census Night. It is a snapshot of Australia at a particular point in time.
Census is good at gathering information about the characteristics of the population, but it is not good at providing an authoritative population count. ERP adds value to the Census population figure by providing greater accuracy and intercensal updates. There are a number of steps required to obtain ERP from Census counts:
- obtaining place of usual residence data from Census counts;
- adjusting for over- or under-enumeration;
- adjusting for residents temporarily overseas on Census Night;
- backdating births, deaths and net migration to 30 June from Census Night.
The five years of intercensal estimates of the resident population are finalised after each census so that the ERP series remains consistent through time. The ERP refers to all people, regardless of nationality or citizenship, who usually live in Australia, with the exception of foreign diplomatic personnel and their families. The ERP includes usual residents who are overseas for less than 12 months and excludes overseas visitors who are in Australia for less then 12 months.
Amongst its many uses, the ERP is used to determine the number of representatives from each state and territory to sit in the House of Representatives. It is also used to help determine the annual allocation of Commonwealth funds for State governments and for local government.
As at June 2008, data for 30 September 2001 to 30 June 2006 are final and based on the 2006 Census of Population and Housing. Data from 30 September 2006 onwards are preliminary. September 2008 figures, released in March 2009 will have revised figures for the previous quarter.
- Preliminary estimates are produced on a quarterly basis.
- Revised estimates are produced annually.
- Final estimates are available on a five yearly cycle, after the following census.
For further information, see the Census Dictionary (cat.no. 2901.0).
Estimated Resident Population (ERP)
The Estimated Resident Population (ERP) is the official Australian Bureau of Statistics estimate of the Australian population. The ERP is based on the five-yearly Census, updated for the components of population growth (births, deaths, interstate migration, overseas migration).
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This page last updated 1 August 2012