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Data sources

Data sources

Australian Bureau of Statistics

Census of Population and Housing (Census)

The Census is carried out every 5 years. It includes the standard Indigenous status question, which is asked for each household member. The Census form may be completed by one household member on behalf of others.

The 2016 Census was Australia's 17th national Census of Population and Housing, and the first to take a digital-first approach. With more than 95% of Australians participating, the 2016 Census showed a growing Aboriginal and Torres Strait Islander population. Aboriginal and Torres Strait Islander peoples represented 2.8 per cent of the population counted – up from 2.5 per cent in 2011, and 2.3 per cent in 2006.

Following each Census, population projections for years after the Census and back cast population estimates for the years before the Census are prepared based on the new information and a set of assumptions about mortality, fertility and migration. Three series of projections are produced representing combinations of assumptions resulting in high, medium and low population growth.

Further information about the nature of the Census is available at Census of Population and Housing: Nature and Content, Australia, 2016. More information about Aboriginal and Torres Strait Islander population estimates from the 2016 Census is available at Estimates of Aboriginal and Torres Strait Islander Australians.

National Aboriginal and Torres Strait Islander Health Survey (NATSIHS)

The National Aboriginal and Torres Strait Islander Health Survey (NATSIHS) 2018–19 is the largest health survey of Aboriginal and Torres Strait Islander peoples, conducted by the Australian Bureau of Statistics (ABS) between July 2018 and April 2019. This survey collected information about a range of topics including long-term health conditions, disability, lifestyle factors, physical harm and use of health services. It collected information from Aboriginal and Torres Strait Islander people of all ages in non-remote and remote areas of Australia, including discrete Indigenous communities.

The NATSIHS included a sample of just over 10,500 Aboriginal and Torres Strait Islander people from about 6,500 private dwellings. Physical measurements of height, weight and waist circumference were collected from respondents aged two years and over, except women who advised that they were pregnant, and was a voluntary component of the survey. Voluntary blood pressure measurements were also collected from respondents aged 18 years and over.

Selected non-Indigenous comparisons are available from the 2017–18 National Health Survey (NHS). Time series comparisons for some indicators are available from the 2014–15 NATSISS, 2012–13 AATSIHS, 2008 NATISS, 2004–05 NATSIHS, 2002 NATSISS, 2001 NHS and the 1994 National Aboriginal and Torres Strait Islander Survey (NATSIS).

Further information is available at National Aboriginal and Torres Strait Islander Health Survey.

National Aboriginal and Torres Strait Islander Social Survey (NATSISS)

The National Aboriginal and Torres Strait Islander Social Survey (NATSISS) 2014–15 is the fourth social survey of Aboriginal and Torres Strait Islander Australians conducted by the ABS from September 2014 to June 2015. Information was collected by personal interview from approximately 11,000 Aboriginal and Torres Strait Islander people living in private dwellings in both non-remote and remote parts of Australia about a range of demographic, social, environmental and economic characteristics.

Where possible, the ABS provided recommendations for non-Indigenous data comparisons (such as the 2011–13 Australian Health Survey and the 2014 General Social Survey) and these have been adopted in this report. Further details are available at NATSISS 2014–15: Appendix 2. Time series comparisons for some indicators are available from the 2018–19 NATSIHS, 2012–13 AATSIHS, 2004–05 NATSIHS, 2002 and 2008 NATSISS and the 1994 National Aboriginal and Torres Strait Islander Survey (NATSIS), although not all data elements align across the 3 surveys.

Further information is available at National Aboriginal and Torres Strait Islander Social Survey: User Guide, 2014–15.

Australian Institute of Health and Welfare

National Hospital Morbidity Database (NHMD)

Held by the AIHW, the National Hospital Morbidity Database (NHMD) is a compilation of episode-level records from admitted patient morbidity data collection systems in Australian hospitals. The data supplied are based on the National Minimum Data Set (NMDS) for Admitted patient care and include demographic, administrative and length of stay data, as well as data on the diagnoses of the patients, the procedures they underwent in hospital and external causes of injury and poisoning.

The purpose of the NMDS for Admitted patient care is to collect information about care provided to admitted patients in Australian hospitals. The scope of the NMDS is episodes of care for admitted patients in all public and private acute and psychiatric hospitals, free standing day hospital facilities, and alcohol and drug treatment centres in Australia. Hospitals operated by the Australian Defence Force, corrections authorities and in Australia’s off-shore territories are not in scope but some are included.

Further information is available on the AIHW website.

National Mortality Database (NMD)

The AIHW National Mortality Database (NMD) holds records for deaths in Australia from 1964. The database comprises information about causes of death and other characteristics of the person, such as sex, age at death, area of usual residence and Indigenous status.

The data quality statements underpinning the NMD can be found in the following ABS publications:

National Perinatal Data Collection (NPDC)

The National Perinatal Data Collection (NPDC) is a national population-based cross-sectional collection of data on pregnancy and childbirth. The data are based on births reported to the perinatal data collection in each state and territory in Australia. Midwives and other birth attendants, using information obtained from mothers and from hospital or other records, complete notification forms for each birth.

Further information is available on the AIHW website.

National Rheumatic Heart Disease Data Collection

Held by the AIHW, the National Rheumatic Heart Disease Data Collection (NRHDC) comprises information from state and territory registers of notified cases of acute rheumatic fever/rheumatic heart disease (ARF/RHD). It is a de-identified population-based collection, initiated as part of the Australian Rheumatic Fever Strategy 2009, funded by the Australian Government Department of Health.

Further information is available on the AIHW website.

Other data sources

Australian Early Development Census (AEDC)

The Australian Early Development Census (AEDC) is a national collection of data about children’s development at the time they enter their first year of full-time schooling. Data collection began in 2009 and has been repeated every 3 years since using an Australian version of the Canadian Early Development Instrument. The AEDC can be used as a guide to planning and service provision, highlighting areas working well and areas requiring improvement or development.

AEDC domains


Domain description

Physical health and wellbeing

Children’s physical readiness for the school day, physical independence and gross and fine motor skills.

Social competence

Children’s overall social competence, responsibility and respect, approach to learning and readiness to explore new things.

Emotional maturity

Children’s pro-social and helping behaviours and absence of anxious and fearful behaviour, aggressive behaviour and hyperactivity and inattention.

Language and cognitive skills (school-based)

Children’s basic literacy, advanced literacy, basic numeracy, and interest in literacy, numeracy and memory.

Communication skills and general knowledge

Children’s communication skills and general knowledge based on broad developmental competencies and skills measured in the school context.

The AEDC uses questions that are linked closely to 5 domains:

Results are reported against 3 development groupings based on percentile cut-offs from the 2009 AEDC results:

  • developmentally on track
  • developmentally at risk
  • developmentally vulnerable.

For more information on the domains and domain characteristics, refer to the fact sheet About the AEDC domains or see the AEDC website.

National Assessment Program – Literacy and Numeracy (NAPLAN)

The Australian Curriculum, Assessment and Reporting Authority (ACARA) is an independent statutory authority and receives direction from the Education Council. The Education Council, in collaboration with jurisdictional and federal health ministers endorsed ACARA’s work plan and on the direction for the National Assessment Program (NAP). ACARA runs national student testing, including the National Assessment Program – Literacy and Numeracy (NAPLAN).

NAPLAN is an annual national assessment for students in Years 3, 5, 7, and 9. All students are expected and encouraged to participate in testing that assesses reading, writing, language conventions (spelling, grammar and punctuation) and numeracy. NAPLAN material has been developed with involvement from all government and non-government education authorities.

NAPLAN is used to determine the literacy and numeracy competencies of young Australians, which provide a critical foundation for future learning and community participation. The assessments provide information about individual student performance to parents and schools. They also give schools and states and territories an opportunity to evaluate education programs and areas to be prioritised for improvement.

More information on NAPLAN is available at the National Assessment Program website.

National Eye Health Survey (NEHS)

The 2016 NEHS was a nationwide population-based study designed to provide estimates of the prevalence and causes of vision impairment and blindness in Indigenous and non-Indigenous Australians by gender, age, and geographical area; and to measure the treatment and coverage rate of major conditions and diseases. Participants were primarily recruited by door-to-door knocking, with adjustments as required to adapt to local circumstances within diverse Indigenous communities.

Further information is available on the Vision 2020 Australia website.

Medicare Benefits Schedule (MBS)

The Medicare Benefits Schedule (MBS) data collection contains information on services that qualify for a benefit under the Health Insurance Act 1973 and for which a claim has been processed. The database comprises information about MBS claims (including benefits paid), patients and service providers.

Through Medicare (MBS items 715 and 228), Aboriginal and Torres Strait Islander people can receive Indigenous-specific health checks from their doctor, as well as referrals for Indigenous-specific follow-up services.

The aim of the Indigenous-specific health check is to encourage early detection and treatment of common conditions that cause ill health and early death—for example, diabetes and heart disease.

Further information is available on the AIHW website.