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OVERSEAS ARRIVALS AND DEPARTURES
SOURCE OF STATISTICS
7 Persons arriving in, or departing from, Australia provide information in the form of incoming and outgoing passenger cards (see Appendix 2). Incoming persons also provide information in visa applications, apart from people travelling as Australian and New Zealand citizens. This and other information available to DIMIA serve as a source for statistics on overseas arrivals and departures.
8 Implementation of the Migration Reform Act 1992 (Cwlth) by the then Department of Immigration and Multicultural Affairs (DIMA, which later became DIMIA) required that a health and character check be incorporated with the Incoming Passenger Card. The redesign of both passenger cards followed and new passenger cards were officially introduced on 1 September 1994 with minor alterations to the cards in March 1995.
9 The two main statistical changes affect 'Purpose of journey' and marital status and constitute a break in time series for these data items. The following changes were made to the 'Purpose of journey' question: on the Incoming Passenger Card 'In transit' was dropped; on the Outgoing Passenger Card 'Student vacation' was dropped; and on both cards 'Visiting relatives' was changed to 'Visiting friends/relatives', 'Convention' was changed to 'Convention/conference' and 'Accompanying business visitor' was dropped. The marital status question included 'Separated but not divorced' and 'Common law/de facto', but this question has since been deleted.
10 In July 1998, DIMA revised the incoming and outgoing passenger cards and associated procedures as well as computer systems. Following these changes, some questions on the passenger cards are not compulsory and answers to these questions are not checked by Customs officers. The question on marital status was deleted. Data on marital status is now derived from visa applications (only for certain visa classes) and is therefore not available for Australian or New Zealand citizens. The changes also affect the data for 'Previous country of residence' which is imputed for Australian and New Zealand citizens. For more information see the May 1998 issue of Overseas Arrivals and Departures, Australia (cat. no. 3401.0). Since July 1998, there have been additional minor changes to both passenger cards.
11 There were significant delays in the receipt of final OAD data from August 2000 to June 2001 from DIMIA. This caused the withdrawal of the 2000-01 issue of this publication (see Explanatory Notes paragraph 1).
SCOPE AND COVERAGE
12 All permanent movements and all movements with a duration of stay of one year or more are completely enumerated.
13 The statistics in this publication relate to the number of movements of travellers rather than the number of travellers (i.e. the multiple movements of individual persons during a given reference period are each counted separately). The statistics exclude the movements of operational air crew and ships' crew, of transit passengers who pass through Australia but are not cleared for entry, and of passengers on pleasure cruises commencing and finishing in Australia aboard ships not then engaged on regular voyages.
ESTIMATED RESIDENT POPULATION
SOURCE OF STATISTICS
14 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 conceptual basis for population estimates is given in Demographic Estimates and Projections: Concepts, Sources and Methods, in the Statistical Concepts Library on this site.
METHOD OF ESTIMATION
15 The estimates of the populations of Australia and the states and territories at the date of the Census of Population and Housing are the adjusted (for under-enumeration) census counts on a place of usual residence basis, to which are added the number of Australian residents estimated to have been temporarily overseas at the time of the Census.
16 Quarterly 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 the 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 estimated resident population at the two respective census dates.
17 Natural increase is the excess of births over deaths. For the compilation of population estimates births and deaths by state or territory of usual residence are used. For preliminary population estimates, births and deaths by quarter of registration are used, but for revised and final estimates year and quarter of occurrence data are used to ensure the accuracy of the single year of age population estimates.
18 The classification of countries used throughout most of this publication is the Standard Australian Classification of Countries (SACC), except where footnoted. This replaces the Australian Standard Classification of Countries for Social Statistics (ASCCSS) used in previous issues of this publication, which is only used where information on regions is presented in tables for periods prior to 30 June 2000. The SACC consolidates within one document the three previous revisions to the ASCCSS (revisions 1.01, 1.02 and 1.03), which were made necessary by political developments in Europe, the former USSR and Africa. It also makes a number of changes to the main structure of the classification which improve the statistical balance of the classification and make it more useful for the analysis of data. For more detailed information refer to the ABS publication Standard Australian Classification of Countries (SACC), 1998 (cat. no. 1269.0).
19 Statistics on country of birth, citizenship, residence or main destination have certain limitations because of inadequate reporting on passenger cards. For instance, it is not possible to identify separately England, Scotland and Wales. Similarly Korea includes both the Republic of Korea and the Democratic People's Republic of Korea. The United States of America includes 'America (undefined)'.
STATE AND TERRITORY CLASSIFICATION
20 Following the 1992 amendment to the Acts Interpretation Act to include the Indian Ocean Territories of Christmas Island and the Cocos (Keeling) Islands as part of geographic Australia, population estimates commencing with the September quarter 1993 include estimates for these two territories. To reflect this change, another category of the state or territory level has been created, known as Other Territories. Other Territories includes Jervis Bay Territory as well as Christmas Island and the Cocos (Keeling) Islands. Where information is presented by state and territory, information for Other Territories is not presented separately but is included in Australia totals.
21 ABS publications draw extensively on information provided freely by individuals, businesses, governments and other organisations. Their continued cooperation is very much appreciated: without it, the wide range of statistics published by the ABS would not be available. Information received by the ABS is treated in strict confidence as required by the Census and Statistics Act 1905.
22 Users may also wish to refer to the following ABS publications:
23 Related statistics are also published by DIMIA, all available on the department's web site: (http://www.immi.gov.au):
24 AusStats is a web based subscriber information service which provides the full standard ABS product range on-line. It also includes companion data in multidimensional datasets in SuperTABLE format, and time series spreadsheets.
25 Current publications produced by the ABS are listed in the Catalogue of Publications and Products (cat. no. 1101.0).
26 As well as the statistics included in this and related publications, additional demographic information is available at Themes/Demography.
27 The ABS can make available information that is not published. Generally, a charge is made for providing unpublished information. For information about related unpublished statistics or data concepts, contact Ian Appleby on Canberra 02 6252 6141.
28 The following variables are available for overseas arrival and departure data:
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