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1993 Feature Article - Population Changes and Housing Demand TABLE 1. COMPONENTS OF POPULATION GROWTH(a) 1981-91
Internal Migration People who move within the same State or Territory (intrastate migration) as well as people who move between States affect the growth of cities, towns and local regions. Of the people who were counted at the 1991 Census who were resident in Australia in 1986, 6.1 million had changed their place of usual residence since 1986. Hence, when arrivals from overseas are taken into account, 40 percent of the population change dwellings at least once every five years - a large potential market for those providing the various services required. In general, since 1981 interstate migration has been northwards on the east coast and westwards to the west coast. Queensland has consistently recorded relatively high net gains (arrivals less departures) from all States and Territories with most of its gains coming from NSW and Victoria. WA and the ACT have consistently recorded net interstate gains (although the WA net flow was negative in 1991-92). NSW and Victoria have both recorded consistently high net losses, while SA and Tasmania have recorded fluctuating patterns (positive flows in some years and negative flows in other years). The NT recorded net gains up to the mid- 1980s but since then it has recorded net losses. Urbanisation Urbanisation is a strong characteristic of Australian settlement. In 1991, 85 per cent of the population lived in urban areas (settlements with a population of 1,000 and over). The dominant urban areas in Australia have always been the capital cities, with 11 million people in 1991 (or 63 per cent of Australia's population) living in the six State and two Territory capital cities (see Table 2). Over the decade 1981 to 1991, Brisbane, Perth, Canberra and Darwin grew at rates significantly higher than the national average, although Darwin grew very little in the last few years of the decade. TABLE 2. POPULATION OF CAPITAL CITIES
As well as a pattern of different growth across the capital cities, there are different patterns of growth within these cities. One pattern which has been evident in the larger cities, especially Sydney and Brisbane, is the slowing of the population decline in the inner city suburbs. These areas were where growth occurred in earlier times, but children as they grew older, left to make their own households. Later on, the parents vacated the homes, either through death or through moving to a retirement home. The decline in population was slowed when the cost of renovation or redevelopment was seen as being offset by the advantages of inner-city living, and new families were attracted into the area. Urban centres other than capital cities have increased their share of the population, indicating a shift in the focus of growth from metropolitan centres to regional cities and towns, and rural areas. This growth is mainly concentrated in the New South Wales and Queensland coastal areas. Escalating housing prices in the capital cities, particularly Sydney, policies of decentralisation in both the public and private business sectors, and improved public transport, along with a desire for a better quality of life (especially for people who have retired), have probably contributed to this shift to smaller urban areas. Although the proportion of population counted by the census in rural areas (areas outside of urban centres of 1,000 or more people) increased slightly between 1981 and 1991, settlement mainly occurred in areas adjacent to urban centres. Although small, the increase in the rural population was common to most States (only in Western Australia and the two Territories were there decreases). The largest increase was in Queensland, where the population in rural areas rose 30 per cent, concentrated in the coastal areas (particularly those areas adjacent to the Gold Coast, the Sunshine Coast, Cairns, Townsville, Rockhampton and Bundaberg). Growth in the rural population of New South Wales was also high in areas around popular growth centres on the coast. POPULATION PROJECTIONS According to the latest available projections made by the ABS (which are based on several combinations of assumptions reflecting past trends in births, deaths and migration), the total population of Australia is likely to increase to between 19.5 and 19.8 million in 2001, and between 21.0 and 22.1 million in 2011. The projected population increases at a declining rate. The average annual growth rate is between 1.2 and 1.4 per cent until 2000, and between 0.8 and 1.1 during 2001-2010. Without overseas migration, the projected total population would peak at about 19 million around 2025, and then start to decline marginally. Age distribution The projected population ages progressively due to the increasing proportion of the elderly (aged 65 years or more) and the decreasing proportion of children (aged 0-14 years). In brief, the number of persons aged 0-14 years is projected to be between 3.7 and 4.1 million in 2011; the population of working age (15-64 years) is projected to increase to between 14.4 and 15.0 million in 2011; and the number of persons aged 65 years or more is projected to increase to between 2.94 and 2.98 million in 2011. The projections also show significant increases in the number of persons aged 80 years or more. State/Territory distribution The populations of Western Australia, Queensland and the ACT are projected to grow at rates higher than the national average, while for New South Wales, Victoria, South Australia and Tasmania the projected rates are lower. For the Northern Territory the growth rate is either higher or lower than the national average, depending on which assumptions are used. FAMILY AND HOUSEHOLD COMPOSITION Over the last two decades or so, the pattern of formation of Australian families has changed substantially. The age at first marriage has continued to rise, and the teenage marriage rate is now at its lowest level. Fewer people are opting for formal marriage and the number of defacto unions has risen. The divorce rate has also risen, as has the proportion of remarriages. The average number of children a woman of child bearing age could be expected to give birth to in her lifetime remained reasonably steady throughout the 1980's, at 1.9. This is currently well below the long-term population replacement level (ie without overseas migration, Australia's population will at some stage start to decline). These factors, along with the changing age composition of the population, are resulting in changes to the structure and size of households and families. Changing household composition In 1991, 73 per cent of the 5.9 million households counted in the census were family households. Of the 1.5 million non-family households in Australia, over 1.1 million were one person households, nearly 260,000 were group households, and there were about 110,000 visitor only households. The number of non-family households increased in the 1980s to make up 25 per cent of all households by 1991. One person households are more likely to consist of elderly persons, while most group households consist of young people. This growth in non-family households is likely to continue because of the projected increase in persons aged 65 years and over and the consequent increase (assuming mortality differentials between the sexes are maintained) in widows. Increasing numbers of the population are surviving through to older ages, either as one or two person households, and this has important implications for the future mix of dwelling stock required in Australia. Notwithstanding the faster increases in non-family households, the dominant family type still contains two parents. In 1991, 53 per cent of all families were two parent families. Couples with dependent children accounted for 36 per cent of all families, couples with dependent children and an adult family member accounted for 8 per cent, and couples with non-dependent children comprised the remaining 9 per cent. Thirty-one per cent of all families were couples without children living at home. One parent families made up 13 per cent of all families, and families of related adults made up the remaining 2 per cent. While between 1981 and 1991, the average number of children a woman could be expected to give birth to in her lifetime remained at 1.9, changes are occurring at different age groups. Fertility is rising among women aged 30-44 but this is being offset by falling rates amongst younger females. Declining household size Between 1981 and 1991 the number of households increased by 18 per cent, while the population only increased by 16 per cent. This indicates that average household size has declined; in fact, by 1991 it had fallen to 2.5 persons per dwelling from an average of 3.9 persons in 1947. There are some differences between States which are largely due to the different age structures in each State or Territory. South Australia has the oldest population, and in 1991, had the lowest average number of persons per dwelling at 2.4; the Northern Territory and the ACT, with the youngest populations, had the highest averages at 3.0 and 2.7 respectively; while the other States had either the national average or close to it. The number of households with five or more people decreased between 1981 and 1991, especially in the largest size categories. Households with less than five people increased, and the smaller the size of the household, the greater the increase. The very large increase in one person households (of nearly 45 per cent over the decade) is worth highlighting. Two member households remained dominant between 1981 and 1991. Table 3 shows that in 1991, 27 per cent of all households had two persons in them. TABLE 3. NUMBER OF CENSUS HOUSEHOLDS BY HOUSEHOLD SIZE, AUSTRALIA
These changes in household size (other things being equal), may be expected to point to a demand for smaller size dwellings. But, other than a growing demand for a more diverse housing stock, the average size of houses has continued to increase. This is shown by progressive rises in the size distribution of occupied private dwellings counted in the censuses as measured by the number of rooms, as well as an increase in the floor space of new private homes (eg from 130 square metres in 1970 to 187 in 1989). DWELLINGS Between 1947 and 1991, the number of dwellings counted in the census more than tripled, from 1.9 million to 6.5 million. Of these 6.5 million dwellings, 9.3 per cent were unoccupied. Type of dwellings About three quarters of Australian dwellings are separate houses. However, other residential dwellings such as flats and townhouses have formed an increasing proportion of the total dwelling stock since the 1950's, when separate houses accounted for around 85 per cent of all dwellings. In major urban areas (centres with a population of 100,000 or more), separate houses in 1991 accounted for 72 per cent of all dwellings, only slightly fewer than in 1981. In other urban areas (centres with a population of 1,000 to 99,999) separate houses accounted for 85 per cent of dwellings in 1981, and 80 per cent in 1991, while in rural areas nearly 90 per cent of all dwellings were separate houses. ATTITUDES AND PREFERENCES There have been several surveys conducted in recent years which shed some light on why people move residence, their preference for location or type of dwelling, and their attitudes to housing development. These surveys relate to residents of Sydney, Adelaide, Perth, Brisbane and Canberra. Some of the more interesting results relevant to population movements follow. Housing decisions taken by recent movers In general, the reasons for moving were consistent in all cities but differed according to tenure. Private renters mainly moved because of family or work changes, first home buyers moved to purchase homes, and changeover buyers mainly moved to increase the size or quality of their home. Movers in Canberra were more likely to cite work related influences than in other cities. Movers in Sydney and Melbourne placed much more importance on the neighbourhood than on the dwelling. In Canberra, the reverse was reported, while Adelaide movers placed equal importance on neighbourhood and dwelling. Sydney stands out, in that affordability is the most important reason for choosing the area (overwhelmingly for first home buyers). For changeover buyers in Sydney, while affordability is still important, `neighbourhood characteristics' become more important, suggesting that many people get into housing first then look to buy a home in an area that they like or know. In the other cities, `neighbourhood characteristics' are the most important reason for choosing an area. Private renters in all cities stated that proximity to work was the most important reason in choosing the area. Price was more likely to be an issue in choosing a particular dwelling in Sydney and Melbourne than Adelaide and Canberra, even though it was still an important consideration reported in the latter cities. Housing intentions of intending movers In general, households intending to move prefer separate houses, consistent with the overall distribution of dwellings in Australia, although those in separate houses are much more likely to expect to move to another separate house than are those currently in other types of dwellings. The expectation to remain in a `separate house' is strongest in Canberra, and weakest in Sydney. Of those who plan to move into housing other than a separate house, the great majority intend to move into a one or two storey town house or similar dwelling, or a one or two storey flat or apartment building. In Sydney there is a relatively high number of persons intending to move into dwelling structures with two or more storeys. Attitudes to housing A survey of Queensland households conducted by the ABS in October 1991 asked some questions on attitudes to housing. While there was a very high level of agreement with statements on the need for a variety of dwelling types and sizes, there was significant disagreement with the statement "there should be no increase in the number of dwellings in this (the respondent's) area" and a majority disagreeing with statements "urban sprawl should be stopped", "I would consider living in a dwelling other than a separate house", and "I am in favour of smaller residential blocks". With all of these latter statements, there was less disagreement from households in the inner suburbs of Brisbane. SUMMARY Study of population changes and movements and the pattern of formation of families and households can be summarised as follows:
This feature article was contributed by John Cornish, Demography section, ABS. DATA SOURCES AND REFERENCES Australian Bureau of Statistics, Australian Demographic Statistics (cat. no. 3101.0) Australian Bureau of Statistics, Social Indicators: Australia, Number 5 1992 (cat. no. 4101.1) Australian Bureau of Statistics, Housing Australia: A Statistical Overview (cat. no. 1320.0) Australian Bureau of Statistics, Housing Characteristics and Decisions: A Comparative Study of Sydney, Melbourne, Adelaide and Canberra 1991 (cat. no. 8710.0) Australian Bureau of Statistics, Housing Intentions, Preferences and Attitudes: Queensland, October 1991 (cat. no. 8710.3) Australian Bureau of Statistics, Census 86: Population Growth and Distribution in Australia (cat. no. 2504.0) Australian Bureau of Statistics, Census 86: Australia in Profile (cat. no. 2502.0) Australian Bureau of Statistics, Projections of the Populations of Australia, States and Territories (cat. no. 3222.0) Document Selection These documents will be presented in a new window.
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1350.0 - Australian Economic Indicators, 1993
ARCHIVED ISSUE Released at 11:30 AM (CANBERRA TIME) 22/12/1993
This page last updated 14 December 2009