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GLOSSARY
A significant number of travellers (i.e. overseas visitors to Australia on arrival and Australian residents going abroad) state exactly 12 months or one year as their intended period of stay. Many stay for less than that period and on their departure from, or return to, Australia are therefore classified as short-term. Accordingly, in an attempt to maintain consistency between arrivals and departures, movements of travellers who report their actual or intended period of stay as being one year exactly are randomly allocated to long-term or short-term in proportion to the number of movements of travellers who report their actual length of stay as up to one month more, or one month less, than one year. Emigration The process of leaving one country to take up permanent or semi-permanent residence in another. Estimated resident population (ERP) The official measure of the population of Australia is based on the concept of residence. It refers to all people, regardless of nationality or citizenship, who usually live in Australia, with the exception of foreign diplomatic personnel and their families. It includes usual residents who are overseas for less than 12 out of 16 months. It excludes overseas visitors who are in Australia for less than 12 out of 16 months. Initial category of travel Predominantly used to assist in the estimation of preliminary net overseas migration (NOM). Like category of movement, all overseas arrivals and departures are classified according to length of stay (in Australia or overseas), as recorded by travellers on passenger cards or derived with reference to previous border crossings. However, unlike the category of movement, all travellers are assigned to one, and only one, initial category of travel during the reference quarter. This removes the potential for a traveller to be included more than once in different categories of travel if they have made multiple overseas movements during the reference quarter. For the purposes of estimating NOM, the rule used to assign an initial category of travel to each traveller is as follows:
For the purposes of calculating NOM there are three main initial categories of travel and 10 sub-categories:
Immigration The process of entering one country from another to take up permanent or semi-permanent residence. Long-term arrivals Long-term arrivals comprise:
Long-term departures Long-term departures comprise:
Migration The movement of people across a specified boundary for the purpose of establishing a new or semi-permanent residence. Migration can be international (migration between countries) and internal (migration within a country). Migration adjustment The ABS applies a number of adjustments to overseas arrivals and departures data in order to produce estimates of net overseas migration (NOM). These mainly comprise adjustments designed to reflect differences between stated travel intentions and actual travel behaviour, but also include adjustments to transform numbers of overseas movements into numbers of travellers. Migration adjustments replaced the 'category jumping' adjustments previously applied to NOM estimates prior to September quarter 2006. Natural increase Excess of births over deaths. Net interstate migration (NIM) The difference between the number of persons who have changed their place of usual residence by moving into a given state or territory and the number who have changed their place of usual residence by moving out of that state or territory. This difference can be either positive or negative. Net overseas migration (NOM) Net overseas migration is the net gain or loss of population through immigration to Australia and emigration from Australia. It is:
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 rule. Preliminary NOM estimates are modelled on patterns of traveller behaviours observed in final NOM estimates for the corresponding quarter one year earlier. NOM arrivals 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 and are added to the population. Under the current method for estimating final net overseas migration this term is based on a travellers' actual duration of stay or absence using the 12/16 rule. NOM departures 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 and are subtracted from the population. Under the current method for estimating final net overseas migration this term is based on a travellers' actual duration of stay or absence using the 12/16 rule. Overseas arrivals and departures (OAD) Overseas arrivals and departures (OAD) refer to the recorded arrival or departure of persons through Australian air or sea ports (excluding operational air and ships' crew). Statistics on OAD relate to the number of movements of travellers rather than the number of travellers (i.e. the multiple movements of individual persons during a given reference period are all counted). Overseas migration See Net overseas migration (NOM). Overseas migration adjustment See Migration adjustment. Permanent arrivals Permanent arrivals (settlers) comprise:
This definition of settlers is used by DIAC. Prior to 1985 the definition of settlers used by the ABS was the stated intention of the traveller only. Numerically the effect of the change in definition is insignificant. The change was made to avoid the confusion caused by minor differences between data on settlers published separately by the ABS and DIAC. Permanent departures Permanent departures are Australian residents (including former settlers) who on departure state that they are departing permanently. Population growth For Australia, population growth is the sum of natural increase and net overseas migration. For states and territories, population growth also includes net interstate migration. After the Census, intercensal population growth also includes an allowance for intercensal discrepancy. Short-term arrivals Short-term arrivals comprise:
Short-term departures Short-term departures comprise:
State or territory of usual residence Refers to the Australian state or territory of usual residence of the estimated resident population. In the case of overseas movements, state or territory of usual residence refers to the state or territory regarded by the traveller as the one in which he/she lives, has lived or intends to live. For example, state or territory of intended residence is derived from the intended address given by settlers or visitor, and by Australian residents returning after a journey abroad. Particularly in the case of the former, this information does not necessarily relate to the state or territory in which the traveller will eventually establish a permanent residence. Usual residence Usual residence within Australia refers to that address at which the person has lived or intends to live for a total of six months or more in a given reference year. Document Selection These documents will be presented in a new window.
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