Overseas migration estimates are final for 2012. See paragraph 9 of the Explanatory Notes for further information.
This time series is based on the '12/16 month rule' methodology and provides data from 2004 onwards. It has been used in calculating Australia's official estimated resident population (ERP) since September quarter 2006.
NOM arrivals are all overseas arrivals that contribute to net overseas migration (NOM). It is the number of incoming international travellers who stay in Australia for 12 months or more over a 16 month period, who are not currently counted within the population, and are then added to the population. Under the current method for estimating final net overseas migration, this term is based on a traveller's actual duration of stay or absence using the '12/16 month rule'.
NOM departures are all overseas departures that contribute to net overseas migration (NOM). It is the number of outgoing international travellers (Australian residents and long term visitors to Australia) who leave Australia for 12 months or more over a 16 month period, who are currently counted within the population, and are then subtracted from the population. Under the current method for estimating final net overseas migration, this term is based on a traveller's actual duration of stay or absence using the '12/16 month rule'.
For further information, see paragraphs 24 to 34 of the Explanatory Notes and the Technical Note: '12/16 month rule' Methodology for Calculating Net Overseas Migration from September quarter 2006 and onwards released with this publication.
The figures in this data cube have been rounded to the nearest 10. As a result, sums of the components may not add exactly to totals. Rounded figures and unrounded figures should not be assumed to be accurate to the last digit shown. Analysis featured in the publication is based on unrounded data. Calculations made on rounded data may differ to those published.
The visa category information in this datacube represents the number of visas based on the visa type at the time of a traveller's specific movement. It is this specific movement that has been used to calculate NOM. Therefore, the number of visas in this datacube should not be confused with information on the number of visas granted by the Department of Immigration and Border Protection (DIBP).
Due to a restructure of the visa hierarchy by DIBP, data for some visa categories have been revised.
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