Census in Australia

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The logo of the 2011 Australian census.

A census of the population of Australia is taken every five years by the Australian Bureau of Statistics (ABS). Censuses were held in 1901, 1911, 1921, 1933, 1947, and 1954, and the five-year period was introduced in 1961. The 2011 census was taken on 9 August 2011. Participation in the census is compulsory.[1] The census counts all people who spend census night within Australia and its external and internal territories other than Norfolk Island, with the exception of foreign diplomats and their families. A separate census of Norfolk Island has been conducted by the Norfolk Island Government every five years since 1981, and occurs on the same day as the Australian census.

The Census and Statistics Act 1905 (Cth) led to the 1906 establishment of the Commonwealth Bureau of Census and Statistics (CBCS).[2] The Bureau was renamed the Australian Bureau of Statistics in 1975.

Australian Standard Geographical Classification[edit]

ABS House which is the headquarters for the Australian Bureau of Statistics in Canberra.

The census is collected and published against geographic areas defined by the Australian Standard Geographical Classification.[3] The ASGC provides a set of geographic classifications (called structures) for the dissemination of all ABS statistics. In 2007 the ABS published an experimental set of spatial units called mesh blocks. The primary aim of mesh blocks is to provide a building block for constructing alternative and more relevant geographies. Only data on total persons and total dwellings is released at the mesh block level. Mesh blocks will form the basis of a new statistical geography, the Australian Statistical Geography Standard (ASGS).

The main structure of the ASGC includes the following geographic areas:

  • Collection District (CD)
  • Statistical Local Area (SLA)
  • Statistical Subdivision (SSD)
  • Statistical Division (SD)
  • State/Territory (S/T)
  • Australia

ASGC Structures include:

  • Local government area
  • Statistical district
  • Main
  • Statistical region
  • Section of State
  • Remoteness
  • Urban centre and locality

The main structure of the ASGS includes the following units:

  • Statistical Area Level 1 (SA1)
  • Statistical Area Level 2 (SA2)
  • Statistical Area Level 3 (SA3)
  • Statistical Area Level 4 (SA4)
  • State/Territory (S/T)
  • Australia

ASGS ABS Structures include:

  • Capital Cities
  • Significant Urban Areas
  • Main
  • Remoteness
  • Urban Centre and Locality

The traditional concept of a Collection District is that it was the area that one census collector can cover (delivering and collecting census forms) in about a ten-day period. In the 2001 census, collectors may be allocated more than one urban collection district because of their size. In urban areas collection districts average about 220 dwellings. In rural areas the number of dwellings per collection district reduces as population densities decrease.

For the 2001 census there were 37,209 collection districts and 1,353 Statistical Local Areas defined throughout Australia.[4]

Privacy[edit]

The Census and Statistics Act 1905 and Privacy Act 1988 guarantee that no personally-identifiable information is released from the ABS[5] to other government organisations, or the public. However the ABS makes confidentialised census data available to researchers, who must make various legal commitments before being given access.[6]

In the 1970s there was public debate about privacy and the census. In 1979 the Law Reform Commission reported on Privacy and the Census.[7] One of the key elements under question was the inclusion of names. It was found that excluding names reduced the accuracy of the data; individuals were more likely to leave questions blank and post-enumeration surveys would not be possible.[2]

Destruction of census forms[edit]

From 1971 to 1996 the ABS had a policy of destruction of the original census forms and their electronic representations, as well as field records. Prior to that it appears there was no explicit policy of destruction, but most material had been destroyed because of lack of storage facilities. However the 2001 census offered, for the first time, an option to have personal data archived by the National Archives of Australia and released to the public 99 years later, and in 2001 54% of Australians agreed to do so.[8]

Counting Indigenous Australians[edit]

Indigenous Australians in contact with the colonists were enumerated at many of the colonial censuses.[9] When the Australian Federation was formed in 1901, the new Constitution contained a provision (Section 127), which said: "In reckoning the numbers of the people of the Commonwealth, or of a State or other part of the Commonwealth, aboriginal natives shall not be counted." In 1967, a referendum was held which approved two amendments to the Australian constitution relating to Indigenous Australians. The second of the two amendments deleted Section 127 from the Constitution. It was widely believed at the time of the referendum, and is still often said, that Section 127 meant that Aboriginal people were not counted in Commonwealth censuses before 1967. In fact section 127 related to calculating the population of the states and territories for the purpose of allocating seats in Parliament and per capita Commonwealth grants. Its purpose was to prevent Queensland and Western Australia using their large Aboriginal populations to gain extra seats or extra funds.[9] Thus the Commonwealth Bureau of Census and Statistics interpreted Section 127 as meaning that they may enumerate "aboriginal natives" but that they must be excluded from published tabulations of population. Aboriginal people living in settled areas were counted to a greater or lesser extent in all censuses before 1967.

The first Commonwealth Statistician, George Handley Knibbs, obtained a legal opinion that "persons of the half blood" or less are not "aboriginal natives" for the purposes of the Constitution. At the first Australian census in 1911 only those "aboriginal natives" living near white settlements were enumerated, and the main population tables included only those of half or less Aboriginal descent. Details of "half-caste" (but not "full-blood") Aborigines were included in the tables on Race. Details of those "full-blood" Aborigines enumerated were included in separate tables.[10] This practice was followed in all subsequent censuses up to 1966.

Australian Standard Classification of Cultural and Ethnic Groups[edit]

Ancestry data was included in the 1986 census. It was found when the data was evaluated that people who filled in the census were not sure what the question meant and there were inconsistent results, particularly for those people whose families had been in Australia for many generations. There were no ancestry related questions in 1991 or 1996. For 2001 it was decided that development of Government policies did need information about people who were either born overseas, or whose parents were born overseas. The questions were to mark the ancestries most closely identified with and to consider ancestry back as far as three generations. Respondents had the option of reporting more than one ancestry but only the first two ancestries they reported were coded for the census.

The results for 2001 were coded using the Australian Standard Classification of Cultural and Ethnic Groups (ASCCEG). This classification of cultural and ethnic groups is based on the geographic area in which a group originated or developed; and the similarity of cultural and ethnic groups in terms of social and cultural characteristics. The classification is specific to Australian needs and was developed by the Australian Bureau of Statistics. The classification is based on the self-perceived group identification approach, using a self assessed response to a direct question. This approach measures the extent to which individuals associate with particular cultural or ethnic groups.[11][12]

History[edit]

1828[edit]

Australia's first census was held in November 1828 in the colony of New South Wales. Previous government statistical reports had been taken from "musters" where inhabitants were brought together for counting. In 1828, the white population was 36,598 of whom 20,870 were free and 15,728 were convicts. 23.8% of the population were born in the colony. 24.5% were women. There were 25,248 Protestants and 11,236 Catholics. Indigenous Australians were not counted.[13]

Of the 36,598 people, 638 were living in what is now Queensland. There were also 18,128 people in Tasmania.[14]

1881[edit]

In the mid-19th century the colonial statisticians encouraged compatibility between the colonies in their respective censuses, and in 1881 a census was held simultaneously in each of the colonies.[2] This was part of a census of the British Empire. The questions posed in the colonies were not uniform and Henry Heylyn Hayter, who conducted the Victorian census, found that this caused difficulties in dealing with Australia-wide data.

The population of Australia was 2,250,194.[15]

1881 census results
NSW Vic Qld Tas SA NT WA Australia
751,468 862,346 213,525 115,704 276,414 9,797 29,708 2,250,194

At the time the Northern Territory was a territory of South Australia and had 3,451 people plus 6,346 Aboriginals in settled districts. Including its Northern Territory, South Australia had 286,211 people. The reported population of Western Australia did not include full-blood Aborigines.[15]

The population of greater Melbourne was 282,947 and of Sydney was 224,939.[15]

1901[edit]

In 1901, there were 3,773,801 people (1,977,928 males and 1,795,873 females) counted in Australia.[16]

Prior to Federation, each colony had been responsible for its own census collection. The census held during the first year of Federation, 1901, was again collected by each State separately. When planning for the 1901 census it was clear that Federation was forthcoming, and a uniform census schedule was developed.[2]

1911[edit]

The first national census was developed by the Commonwealth Bureau of Census and Statistics. The census occurred at midnight between 2 and 3 April 1911. Tabulation was carried out almost entirely by hand; over 4 million cards were sorted and physically counted for each tabulation. Results from the 1911 census took a long time to release with delays increased by World War I.[2] The Australian population was counted as 4,455,005 "exclusive of full-blooded aborigines".

In the census of 1911 many collectors used horses. A drought in Western Australia meant that some collectors were unable to find feed for their horses. Flooding and bogs stranded some collectors in Queensland.[17]

Rubella research[edit]

In 1911 the census asked about deaf-mutism. This question was also asked in the next two censuses of 1921 and 1933. Deaf-mutism was found to be very high among 10–14 year-olds, with the same pattern existing in the 1921 census among 20–24 year-olds. The statisticians report on the 1921 census noted that it was "a reasonable assumption therefore that the abnormal number of deaf-mutes . . . was the result of the extensive epidemic of infectious diseases which occurred soon after many in those age groups were born." Rubella was not known to be a possible contributor. During World War II, the ophthalmologist Norman McAllister Gregg began to investigate the connection between birth defects and the infection of mothers early in their pregnancy. In 1951, prompted by Gregg's work, Australian statistician Oliver Lancaster examined the census figures of 1911, 1921 and 1933. He found a peak in the level of deaf-mutism in the age cohort born in 1898 and 1899 and that this matched with a known outbreak of rubella in those years. "This was the first time in the world that the link between rubella and congenital problems with unborn children was firmly established."[17]

1921[edit]

Lantern slide produced for the Australian Inland Mission based on the 1921 census. It shows the Australian population enumerated in the census graded for population density.

Australia's population counted in April 1921 was 5,435,700 "exclusive of full-blooded aborigines". The statistician independently estimated the number of Aborigines, both "full-blood" and "half-caste" by obtaining figures from the police and protectors of Aborigines throughout the country.

One of the significant findings of the 1921 census was the low rate of males to females in the 20–30 year age group, showing the impact of World War I on the population.[18]

The 1921 census introduced automatic machine tabulation equipment, hired from England for the census.[2] Three punched cards were used to store individual, dwelling and family information. The cards were processed using an electric sorting machine prior to final totalling with an electric tabulator machine, devised by Herman Hollerith.[19]

The census was subsequently conducted in 1933, 1947, 1954, and every five years from 1961 onwards.

1971[edit]

Following the 1967 referendum removing section 127 from the Constitution, the "race" question was re-designed for the 1971 census and methods for remote area collection examined to improve identification of Indigenous origin.[2]

There were 12,755,638 people counted.[14]

1976[edit]

The 1976 census was the largest undertaken, with 53 questions. Due to budgetary restraints, the Bureau was not able to complete normal processing of the data and a 50% sample was processed.[2]

There were 13,548,450 people counted.[14]

1996[edit]

The 1996 census was held on 6 August. 17,892,423 people were counted in Australia on census night. Of these 342,864 people identified themselves as Indigenous Australians. There were 139,594 overseas visitors.[20]

2001[edit]

The 2001 census was held on 7 August. 18,972,350 people were counted in Australia on census night. Of these 410,003 people identified as Indigenous Australians. There were 203,101 overseas visitors.[20]

2006[edit]

The 2006 census was conducted on the night of 8 August. 19,855,288 people were counted in Australia on census night. Of those 455,031 people identified as Indigenous Australians. There were 206,358 overseas visitors.[20] For the first time, the territories of Cocos (Keeling) Islands were included in the 2006 census, following the enactment of the Territories Law Reform Act 1992.[21]

The 2006 census contained 60 questions, all of which were compulsory except those relating to religion and household census data retention. The census cost around A$300 million to conduct.

eCensus[edit]

For the first time, census respondents were given the option of completing an online "eCensus" in the 2006 census, as opposed to the traditional paper based version. By 17 August, more than 720,000 households had completed their census online.[22]

Across Australia 8.4% of estimated dwellings lodged online. The highest percentage of internet lodgements was in the Australian Capital Territory with 14.8% of households using eCensus. This was a markedly different proportion of households than elsewhere in Australia, with the other states and territory ranging from 5.9% take-up in the Northern Territory to 8.9% in Western Australia.[22]

The peak lodgement was between 8pm and 9pm on census night, when more than 72,000 online forms were received. The eCensus remained available throughout the entire census period. During the 24-hour period of 8 August (census night), eCensus delivered more than 12.5 million page views and at 8:47 pm more than 55,000 households were logged on simultaneously. IBM assisted with the development of the eCensus, having provided similar infrastructure and technology for the Canadian census earlier that year.[22]

2011[edit]

The 2011 census was held on the night of 9 August, using both paper and electronic "eCensus" forms. Minimal changes were made from the 2006 census, due to financial constraints on the ABS during the development of the 2011 census.[21]

It marked 100 years of national censuses in Australia as the first national census was conducted at midnight between 2 and 3 April 1911.[23]

The first results of the census were released in June 2012 on the Australian Bureau of Statistics website.[24]

Manpower censuses[edit]

The Commonwealth Bureau of Census and Statistics conducted manpower censuses at the time of the First and Second World Wars. In contrast to the national censuses, it appears that the individual records from the manpower censuses are still retained by the National Archives of Australia.[25]

See also[edit]

References[edit]

  1. ^ "2011 Census – Census Help – About the Census". Australian Bureau of Statistics. 16 July 2011. Retrieved 5 August 2011. 
  2. ^ a b c d e f g h "The population census – a brief history". 1301.0 – Year Book Australia, 2005. Australian Bureau of Statistics. 2005. Retrieved 25 June 2006. 
  3. ^ "1216.0 – Australian Standard Geographical Classification (ASGC) – Electronic Publication, 2005". Australian Bureau of Statistics. 2005. Retrieved 26 June 2006. 
  4. ^ "Help: Use Census Data". Australian Bureau of Statistics. 2006. Retrieved 26 June 2006. 
  5. ^ "2006 Census: Privacy and Confidentiality". Australian Bureau of Statistics. 2006. Retrieved 8 May 2006. 
  6. ^ "CURF FAQs". Australian Bureau of Statistics. 14 June 2011. Retrieved 10 August 2011. 
  7. ^ "Privacy and the Census, The Law Reform Commission, Report number 12" (pdf). Australian Government Publishing Service. 1979. Retrieved 26 June 2006. 
  8. ^ "Consultative Processes Pay Dividends: The Case of Census 2006". Australian Privacy Foundation. 24 March 2005. Retrieved 8 May 2006. 
  9. ^ a b Smith, LR (1980) The Aboriginal Population of Australia Canberra, Australian National University Press
  10. ^ Madden, Richard; Fadwa Al-Yaman (2003). "How Statisticians Describe Aboriginal and Torres Strait Islander Peoples" (pdf). 2003 Seminars on Health and Society: An Australian Indigenous Context. Australian Institute of Aboriginal and Torres Strait Islander Studies. Retrieved 25 June 2006. 
  11. ^ "2970.0.55.006 – 2001 Census of Population and Housing – Fact Sheet: Ancestry, 2001". Australian Bureau of Statistics. 2002. Retrieved 23 August 2006. 
  12. ^ "Australian Standard Classification of Cultural and Ethnic Groups (ABS Catalogue no. 1249.0)" (pdf). Australian Bureau of Statistics. 2000. p. 176. Retrieved 23 August 2006. 
  13. ^ Aplin, Graeme, S.G. Foster and Michael McKernan (editors), ed. (1987). Australians: Events and Places. Broadway, New South Wales, Australia: Fairfax, Syme & Weldon Associates. p. 38. ISBN 0-949288-13-6. 
  14. ^ a b c Vamplew, Wray (editor), ed. (1987). Australians: Historical Statistics. Broadway, New South Wales, Australia: Fairfax, Syme & Weldon Associates. p. 26. ISBN 0-949288-29-2. 
  15. ^ a b c Aplin, Graeme, S.G. Foster and Michael McKernan (editors), ed. (1987). Australians: Events and Places. Broadway, New South Wales, Australia: Fairfax, Syme & Weldon Associates. p. 97. ISBN 0-949288-13-6. 
  16. ^ "2001 Census of Population and Housing – 00 1901 Australian Snapshot". Australian Bureau of Statistics. 2002. Retrieved 26 June 2006. 
  17. ^ a b The Hon Chris Pearce MP, Parliamentary Secretary to the Treasurer (2006). "ABS 2006 Census Recruitment Campaign Launch". Speeches. Parliamentary Secretary to the Treasurer. Retrieved 25 June 2006. 
  18. ^ "Census of Population and Housing – 2006 Census articles". Australian Bureau of Statistics. 2005. Retrieved 25 June 2006. 
  19. ^ "1966 – IBM computers used to process census data for the first time". About IBM in Australia. IBM. 2004. Retrieved 25 June 2006. 
  20. ^ a b c "Previous Censuses: Census Data". 2006 Census. Australian Bureau of Statistics. 2006. Retrieved 26 June 2006. 
  21. ^ a b "Census of Population and Housing: Nature and Content, 2011". 2011 Census. Australian Bureau of Statistics. 2008. Retrieved 12 February 2011. 
  22. ^ a b c "IBM application and hosting expertise helps ABS build the big picture faster with eCensus program". Media releases (Australian Bureau of Statistics). 17 August 2006. Retrieved 22 August 2006. 
  23. ^ "Marking 100 years of Australian Censuses". Australian Bureau of Statistics. 20 November 2009. Retrieved 27 January 2012. 
  24. ^ "2011 Census QuickStats: Australia". Census Data (Australian Bureau of Statistics). 10 October 2012. Retrieved 24 January 2013. 
  25. ^ War Census Act 1915–16, National Registration Act 1939

Further reading[edit]

Wright, Beth (1 March 2011). "One hundred years of working on the census". Australian Bureau of Statistics. Retrieved 4 August 2011. 

External links[edit]