• Summary
• Downloads
• Explanatory Notes
• Related Information
• Past Releases

TECHNICAL NOTE Northern Territory 2017 Motor Vehicle Census Data Undercount


INTRODUCTION

1 Care should be taken when interpreting 2017 registration counts for the Northern Territory. In the course of processing the 2018 Motor Vehicle Census it became apparent that there were a small number of vehicle registrations not included in the 2017 published estimates for Northern Territory. This Technical Note gives a brief description of the issue and provides estimates of the extent of the undercount in the NT data.

2  As the Motor Vehicle Census is an annual snapshot of the number of vehicles in the various state and territories vehicle registrations database at a specific point in time (31 January), it will be very difficult to recreate the snapshot for 2017. Therefore estimates presented in the 2017 MVC releases - Motor Vehicle Census, Australia, 31 Jan 2017 (cat no.9309.0) and Microdata: Census of Motor Vehicles, Australia, 2017 (cat no. 9309.0.55.003) will not be revised.

ADJUSTED ESTIMATES

3 The table below presents an estimate of 2017 NT vehicle registrations by vehicle type. Overall, approximately 3% (4,890) of NT registrations were omitted from the 2017 release.

NT Registrations, Type of vehicle - Census years
	Published 2017	Estimated 2017	Estimated 2017 Undercount	Estimated 2017 Undercount
Vehicle Type (a)	no.	no.	no.	%
Passenger vehicles	94 142	97 365	3 223	3.42
Light commercials	43 854	45 061	1 207	2.75
Light rigid trucks	633	642	9	1.42
Heavy rigid trucks	4 633	4 741	108	2.33
Articulated trucks	1 145	1 175	30	2.62
Non-freight vehicles	357	366	9	2.52
Campervans	214	221	7	3.27
Buses	3 768	3 864	96	2.55
Motorcycles	6 616	6 817	201	3.04
Total (MVC Web Release)	155 362	160 252	4 890	3.15