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8 In 1984, there were abnormal delays in the registration of New South Wales marriages. These and subsequent delays in 1985 had been made up by 1986. The number of actual registrations and registrations adjusted for these delays and their effects on crude marriage rates for New South Wales and Australia are given in the following table.
ESTIMATED RESIDENT POPULATION (ERP)
9 The latest available marital status estimates are at 30 June 2001 and are based on the 2001 Census of Population and Housing (2001 census). In this publication marital status estimates at 30 June 1997 to 30 June 2000 have been revised and together with 2001 estimates are now final. Marital status estimates at 30 June 2002 are not yet available.
10 The ERP is the official population estimates series compiled according to the place of usual residence of the population.
11 Australia's population estimates for the period since 1971 are compiled according to the place of usual residence of the population. An explanation of the place of usual residence conceptual basis for population estimates is given in Demographic Estimates and Projections: Concepts, Sources and Methods.
Method of estimation
12 The estimates of the population of Australia and the states and territories at 30 June of a census year are census counts based on place of usual residence, adjusted for underenumeration and the number of Australian residents estimated to have been temporarily overseas at the time of the census.
13 Post-censal estimates of the Australian population are obtained by adding to the population at the beginning of each period components of natural increase (on a usual residence basis) and net overseas migration. For states and territories, account is also taken of estimated interstate movements involving a change of usual residence. After each census, estimates are made for the preceding intercensal period by incorporating an additional quarterly adjustment (intercensal discrepancy) to ensure that the total intercensal increase agrees with the difference between the ERP at the two respective census dates.
14 For marital status estimates, persons aged 14 years and under are automatically classified as never married.
15 From July 1998, data on the marital status of overseas arrivals and departures is derived from visa applications (only for certain visa classes) and is therefore not available for a high proportion of movers (mainly Australian or New Zealand citizens). Because of this the 1997-98 distribution of overseas arrivals and departures by age, sex and marital status is used for the post-1998 overseas migration component of marital status estimates.
Reliability of estimates
16 To meet the conflicting demand for accuracy and timeliness there are three estimates of ERP. At the national and state/territory levels preliminary estimates are available six months after the reference date, revised estimates are available 15 months after the end of the financial year and final estimates after the following census. The estimates in this publication, with the exception of marital status estimates for which 2002 data are not available, are final for the years prior to 2002 and preliminary for 2002.
17 Single year age estimates are not shown for persons aged 85 years or older. Estimates for each age up to 99 years have, however, been calculated and are available on request.
Reliability of estimates
18 Statistics are shown in units without being rounded. However, accuracy down to the last unit is not claimed and should not be assumed. This is particularly the case for single year of age data.
States and territories
19 As a result of an amendment, made in 1992, to the Acts Interpretation Act, the Indian Ocean Territories of Christmas Island and the Cocos (Keeling) Islands have been included as part of geographic Australia, hence another category of the state and territory classification has been created. This category, known as Other Territories, includes Christmas Island, the Cocos (Keeling) Islands and Jervis Bay Territory.
Country of birth
20 The classification of countries in this publication is the Standard Australian Classification of Countries (SACC). For more detailed information refer to the ABS publication Standard Australian Classification of Countries (SACC) (cat. no. 1269.0). The SACC is also available in electronic form: Standard Australian Classification of Countries (SACC) - on Floppy Disk (cat. no. 1269.0.15.001).
Suppression of small cells
21 For marriage data, cells with small values have been randomised to protect confidentiality.
22 Other ABS products which may be of interest are:
Additional statistics available
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