Definitions and references
Crude birth rate - number of live births registered during the calendar year per 1,000 of the estimated resident population at 30 June of that year. For years prior to 1994, it is based on the mean estimated resident population for the calendar year.
Reference: Births, Australia (at. no. 3301.0).
Crude death rate - number of deaths registered during the calendar year per 1,000 of the estimated resident population at 30 June of that year. For years prior to 1994, it is based on the mean estimated resident population for the calendar year.
Reference: Deaths, Australia (cat. no. 3302.0).
Growth rate - change in the population during the year expressed as a proportion (per cent) of the population at the beginning of the year.
Reference: Australian Demographic Statistics (cat. no. 3101.0).
Humanitarian settler arrivals - comprises: those who arrive under the refugee program (which provides protection for people who have fled their country because of persecution); those who arrive under the humanitarian programs (those who leave their country because of significant discrimination amounting to gross violation of human rights); and those who arrive under the special assistance category (groups determined by the minister to be of special concern to Australia and in real need but who do not come under the traditional humanitarian categories. It includes those externally displaced people who have close family links with Australia).
Reference: Bureau of Immigration and Population Research, Australian Immigration Consolidated Statistics.
Interstate arrivals - arrivals from other States or Territories of Australia who intend to stay permanently.
Reference: Australian Demographic Statistics (cat. no. 3101.0).
Interstate departures - permanent departures to other States or Territories of Australia.
Reference: Australian Demographic Statistics (cat. no. 3101.0).
Long-term arrivals - visitors arriving from overseas who intend to stay in Australia for one year or more and Australian residents returning from an overseas visit of one year or more.
Reference: Overseas Arrivals and Departures, Australia (cat. no. 3401.0).
Long-term departures - departures of Australian residents who intend to stay temporarily overseas for one year or more and departures of visitors who had stayed in Australia for one year or more.
Reference: Overseas Arrivals and Departures, Australia (cat. no. 3401.0).
Median age - the age at which half the population is older and half is younger.
Reference: Estimated Resident Population by Sex and Age: States and Territories of Australia
(cat. no. 3201.0).
Net interstate migration rate - interstate arrivals minus interstate departures during the year, expressed as a proportion (per cent) of the population at the beginning of the year.
Reference: Australian Demographic Statistics (cat. no. 3101.0).
Net overseas migration rate - permanent and long-term arrivals (including refugees) minus permanent and long-term departures during the year expressed as a proportion (per cent) of the population at the beginning of the year.
Reference: Australian Demographic Statistics (cat. no. 3101.0).
Net reproduction rate - the number of daughters that a group newborn girls would bear during their lifetime, if the age-specific birth and death rates recorded in the year of their birth continue.
Reference: Australian Demographic Statistics (cat. no. 3101.0).
Non-English speaking countries - all overseas countries except United Kingdom, Ireland, New Zealand, South Africa, Canada and the United States of America.
Reference: Migration, Australia (cat. no. 3412.0).
Permanent arrivals - persons arriving from overseas with the intention of settling permanently in Australia. It includes those with migrant visas (regardless of stated intended period of stay), New Zealand citizens who indicate an intention to settle, and those who are otherwise eligible to settle, e.g. overseas-born children of Australian citizens.
Reference: Overseas Arrivals and Departures, Australia (cat. no. 3401.0).
Permanent departures - Australian residents, including former settlers, who on departure state that they do not intend to return to Australia.
Reference: Overseas Arrivals and Departures, Australia (cat. no. 3401.0).
Population projections - the ABS population projections take the base year population for each sex by single years of age and advance it year by year by applying assumptions about future mortality and migration. Assumed age-specific fertility rates are applied to the female populations of child-bearing ages to provide the estimates of new births for each year. This procedure is repeated for each year in the projection period for each State and Territory and for Australia. The ABS produces several series of population projections based on different combinations of assumptions about mortality, fertility and migration. The assumptions underlying Series A most closely reflect prevailing trends and comprise: declining rates of mortality; a constant level of fertility (total fertility rate of 1.88 for Australia); low levels of overseas migration (rising to 70,000 per year by the year 2000 then remaining constant); and continuing high levels of interstate migration.
Reference: Projections of the Populations of Australia, States and Territories, 1993 to 2041 (cat. no. 3222.0).
Rate of natural increase - the excess of births over deaths during the year expressed as a proportion (per cent) of the population at the beginning of the year.
Reference: Australian Demographic Statistics (cat. no. 3101.0).
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