1367.0 - State and Territory Statistical Indicators, 2011  
ARCHIVED ISSUE Released at 11:30 AM (CANBERRA TIME) 23/01/2012   
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NEW MOTOR VEHICLE SALES


  • In December 2011, the number of new motor vehicles sold in the NT (845) decreased by 1.6%, in trend terms from 859 in the previous month. The seasonally adjusted figure fell by 7.4% (from 827 in November, to 765 in December) , the largest decrease amongst all the states and territories over this period.
  • New motor vehicle sales were 4.0% higher in December 2011 than in December 2010 in trend terms.
  • Nationally, 86,947 motor vehicles were sold in December 2011 (trend). This figure was 0.3% lower than in the previous month but was 2.8% higher than in December 2010.
Graph Image for New Motor Vehicle Sales, Total Vehicles (NT)

Footnote(s): Seasonally adjusted numbers of new motor vehicle sales in Tasmania, Northern Territory and Australian Capital Territory should be used with caution. For more information, see paragraph 7 of the Explanatory Notes of Cat. No. 9314.0.

Source(s): Sales of New Motor Vehicles, Australia (cat. no. 9314.0)



Useful Links

Where do Motor Vehicle Sales Statistics Come From?

Motor Vehicle sales figures are produced by the Federal Chamber of Automotive Industries (FCAI), which collects data from all of its members on the sales of new vehicles, excluding motorcycles, plant and equipment and unpowered vehicles. For more information refer to the information paper Developments in New Motor Vehicle Statistics linked above.

Seasonal adjustment is a means of removing the estimated effects of normal seasonal variation and ‘trading day effects’. A ‘trading day effect’ reflects the varying amounts of activity on different days of the week and the different number of days of the week in any month (i.e. the number of Sundays, Mondays, etc.). Adjustment is also made for Easter which may affect the March and April estimates differently. Smoothing the seasonally adjusted series reduces the impact of the irregular component of the seasonally adjusted series and creates trend estimates. More information about these processes is available in the Information Paper: A Guide to Interpreting Time Series - Monitoring Trends: An Overview (cat. no. 1349.0) also linked above.