The Viets have done very well by and large here.
This has changed a bit given the patterns of who gets employed at times of full employment. Not sure how often ABS puts out these stats.
http://www.abs.gov.au/AUSSTATS/ABS@...e=Summary&prodno=1301.0&issue=2005&num=&view=
The unemployment rate for all Australian residents in 2001 was 7%. The unemployment rates for Italy-born and United Kingdom-born Australians were lower, at 5% and 6% respectively. For New Zealand-born residents the unemployment rate was above Australia's rate, at 8%. Vietnam-born residents had the highest unemployment rate of the selected birthplace groups (18%).