Net Overseas Migration: The Improved Method
From September quarter 2006, the ABS has implemented an improved method for estimating net overseas migration for use in compiling quarterly estimated resident populations by state and territory.
For details see Information Paper: Statistical Implications of Improved Methods for Estimating Net Overseas Migration, Australia 2007 (cat. no. 3107.0.55.005). Additional information can also be found in the earlier release, Information Paper: Improved Methods for Estimating Net Overseas Migration(cat. no. 3107.0.55.003).