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3401.0.55.001 - Short-term Visitor Arrival Estimates, Australia, Jul 2005  
Previous ISSUE Released at 11:30 AM (CANBERRA TIME) 17/08/2005   
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INTRODUCTION

1 This publication contains modelled estimates of short-term visitor arrivals to Australia, including a breakdown by country of usual residence for selected major regions and countries, based on passport transactions for the current month and past arrival trends from passenger cards.


2 These estimates provide an early indication of short-term visitor arrival movements for the reference month prior to final data becoming available. Final estimates are published in the ABS monthly publication, Overseas Arrivals and Departures, Australia (cat. no. 3401.0).


3 From June 1997 until May 2003, early estimates for short-term visitor arrivals (termed 'preliminary' estimates) were published in the monthly publication, Overseas Arrivals and Departures, Australia (cat. no. 3401.0). The decision to produce this monthly electronic release of early modelled estimates followed feedback on the ABS Demography Working Paper 2003/4 - A New Dissemination Strategy for Overseas Arrival and Departure Statistics. From June 2003 until December 2003, this publication was titled Short-term Visitor Arrivals to Australia, Preliminary (cat. no. 3401.0.55.001).



SOURCE OF THE STATISTICS

4 The modelled estimates of short-term visitor arrivals presented in this publication for the reference month are based on data provided by the Department of Immigration and Multicultural and Indigenous Affairs' (DIMIA) Travel and Immigration Processing System (TRIPS).


5 Final estimates of short-term visitor arrivals are based on incoming passenger cards, completed by persons arriving in Australia. Length of stay data, which are used to categorise travellers, are based on declared intentions rather than actual events. More information about the methodology underlying final estimates of short-term visitor arrivals (including information about estimation, standard errors and data quality issues) can be found in Overseas Arrivals and Departures, Australia (cat. no. 3401.0).



SCOPE

6 The statistics in this publication relate to the number of movements of travellers rather than the number of travellers (i.e. multiple movements of individual persons during a given reference period are each counted separately). The statistics exclude the movements of operational air 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. Similarly, these statistics exclude unauthorised arrivals.



COUNTRY CLASSIFICATION

7 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 (cat. no. 1269.0).



ESTIMATION METHOD

8 The TRIPS produces a limited range of data, including country of citizenship. The ABS applies a model which uses the relationship between country of citizenship from TRIPS and country of residence from incoming passenger card data over 25 months, to produce estimates by country of usual residence.


9 The relationship between TRIPS and passenger card data is not sufficiently stable to produce estimates of a publishable standard for countries other than those presented in this publication.


10 The statistics in this publication have been rounded to the nearest 100. The sums of the components may, due to rounding, not add exactly to totals. Analysis is based on unrounded data and therefore calculations made on rounded data may differ from those published.



SEASONAL ADJUSTMENT AND TREND ESTIMATES

11 Seasonally adjusted and trend estimates of short-term overseas visitor arrivals are shown in tables 1 and 2 of the main features.


12 Seasonally adjusted estimates are derived by estimating and removing systematic calendar related effects from the original series. In the short-term visitor arrival and short-term resident departure series, these calendar related effects are known as seasonal (e.g. increased travel in December due to the Christmas holiday period) and trading day influences (arising from the varying length of each month and the varying number of Sundays, Mondays, Tuesdays, etc. in each month). Each influence is estimated by separate seasonal and trading day factors which, when combined, are referred to as the combined adjustment factors.


13 From November 2004 ABS has introduced an improved method for removing trading day effects from seasonally adjusted estimates. Corrections for trading day effects are now applied as prior corrections to the original estimates, rather than being applied within the seasonal adjustment process. This is now consistent with the treatment of any corrections for large extremes, changes in level, changes in seasonal pattern, Easter, and other effects. This change in methodology will result in revisions to seasonally adjusted and trend estimates. From July 2003 concurrent seasonal adjustment methodology has been used to derive the combined adjustment factors. This means that data from the current month are used in estimating seasonal and trading day factors for the current and previous months. Concurrent seasonal adjustment replaces the forward factor methodology used since seasonal adjustment of short-term visitor arrivals began in 1969 and short-term resident departures in 1976.


14 Concurrent adjustment can result in revisions each month to the seasonally adjusted estimates for earlier periods. However, in most instances, the only noticeable revisions will be to the combined adjustment factors for the current month, the previous month and the same month a year ago. Although there is no specific Information Paper on concurrent adjustment to short-term visitor arrivals, more detail on the method in general can be found in the Information Paper, Introduction of Concurrent Seasonal Adjustment into the Retail Trade Series (cat. no. 8514.0).


15 Seasonal adjustment procedures do not aim to remove the irregular or non-seasonal influences which may be present in any particular month, such as the effect of major sporting and cultural events, changes in airfares and the fluctuation of the Australian dollar relative to other currencies. Irregular influences that are highly volatile can make it difficult to interpret the movement of the series even after adjustment for seasonal variation. Trend estimates take these irregular influences into account.


16 The trend estimates of short-term overseas visitor arrivals and short-term Australian resident departures are derived by applying a 13-term Henderson-weighted moving average to all months of the respective seasonally adjusted series except the first and last six months. Trend series are created for the last six months by applying surrogates of the Henderson weighted moving average to the seasonally adjusted series.


17 While this technique enables smoothed data for the latest period to be produced, it does result in revisions to the smoothed series, principally of recent months, as additional observations become available. There may also be revisions as a result of the re-estimation of the seasonal factors. For further information, see A Guide to Interpreting Time Series-Monitoring Trends (cat. no. 1349.0), released 4 August 2003.



RELATED PUBLICATIONS

18 Users of these statistics may also wish to refer to the following ABS publications:

  • Overseas Arrivals and Departures, Australia (cat. no. 3401.0) - issued monthly
  • Australian Demographic Statistics (cat. no. 3101.0) - issued quarterly
  • Migration, Australia (cat. no. 3412.0) - issued annually.

19 Related statistics are also published by the Department of Immigration and Multicultural and Indigenous Affairs, the Department of Industry, Tourism and Resources and Tourism Research Australia.


20 Current publications and other products released by the ABS are listed in the Catalogue of Publications and Products, Australia (cat. no. 1101.0). The Catalogue is available from any ABS office or the ABS web site. The ABS also issues a daily Release Advice on the web site which details products to be released in the week ahead.



ADDITIONAL STATISTICS AVAILABLE

21 The range of statistics available from data modelled on passport movements and past arrival trends is limited to what has been included in this publication.


22 A wider range of variables are available for final data including:

      Citizenship (Nationality)
      Country of birth
      Age (Date of birth)
      Sex
      Marital status (not available for Australian or New Zealand citizens)
      Category of travel
      Permanent migrant
          Previous/future country of residence
          State of intended address/lived
      Overseas visitor
          Intended/actual length of stay
          Main reason for journey
          Country of residence
          State or territory of intended address on arrival
          State or territory in which most time spent on departure
      Australian residents
          Intended/actual length of stay overseas
          Country spent/intend to spend most time abroad
          State or territory of intended address/state or territory lived
      Occupation (not available for short-term movements)
      Country of embarkation/disembarkation
      Airport/Port of arrival/departure
      Arrival/departure date
      Intention to live in Australia for next 12 months (not available for short-term movements)


ACKNOWLEDGMENTS

23 This publication draws extensively on information provided by DIMIA. This continued cooperation is very much appreciated; without it, the statistics published would not be available. Information received by the ABS is treated in strict confidence as required by the Census and Statistics Act 1905.

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