







































AUSTRALIAN POPULATION STUDIES  2021 | Volume 5 | Issue 1 | pages 3-8 

 

 

© Charles-Edwards 2021. Published under the Creative Commons Attribution-NonCommercial licence 3.0 Australia  
(CC BY-NC 3.0 AU). Journal website: www.australianpopulationstudies.org 

Commentary 

Living in more than one place: 
capturing dual-local lives in the         
2026 Census 

Elin Charles-Edwards  The University of Queensland 

Email: e.charles-edwards@uq.edu.au. Address: Queensland Centre for Population Research, School 

of Earth and Environmental Sciences, The University of Queensland, Brisbane, Australia 4072. 

Paper received 5 March 2021; accepted 20 April 2021; published 31 May 2021 

1. Introduction 

The concept of “usual residence” is central to the collection of population data in the Australian Census 

of Population and Housing and the basis of Australia’s official population statistic, the Estimated 

Resident Population. Usual residence is defined in the Census as “...the address at which a person lives 

or intends to live for six months or more” (ABS 2017). Growth in spatial mobility and a “pluralisation” of 

living arrangements makes that the notion of a single usual residence problematic for a growing share 

of the population (Schier et al. 2015). This includes second (vacation) homeowners (Atkinson et al. 

2009), long-distance commuters (including Fly-in Fly-out workers), children living in shared custody 

arrangements (Stjernström and Strömgren 2012), and couples “living apart together” (Reimondos, 

Evans, and Gray 2011). Few data sources capture these populations in Australia, and available data lack 

detailed socioeconomic attributes and reliable spatial information which are critical for policy and 

planning. There are myriad applications of such data, ranging from the development of service 

population estimates (McKenzie, Martin, and Paris 2008) and emergency preparedness, to better 

understanding of residential multi-locality (Schier 2016) and regional population dynamics (Adamiak et 

al. 2017). 

There are longstanding calls for the inclusion of a census question on dual or second residence (ABS 

2007). A question on second residence was researched and tested for 2016 but not selected as it was 

“…difficult for respondents to understand” (ABS 2018) as well as having a significant cost impost. 

Despite renewed calls for inclusion in the 2021 census, a question on second residence was again 

rejected. Public submissions for the 2021 census also called for information on children living in 

multiple residences as part of shared care arrangements (ABS 2018), a form of dual-local living, but was 

not selected for inclusion. While there are certainly barriers to the inclusion of questions on dual 

residence including respondent burden, recall issues and cost, calls for better information on dual-local 

individuals and households are likely to persist and grow over time. 

  

 

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4 Charles-Edwards Australian Population Studies 5 (1) 2021 

 

2. Proposed census questions 

Given the reticence of the ABS to include a question on dual residence in the census, it is illustrative 

to turn to other jurisdictions. Second or dual residence data can be collected directly via a targeted 

census question or indirectly as a by-product of the census enumeration strategy.   

The England and Wales censuses have included questions on dual residence since 2011. Respondents 

are first asked, “Do you stay at another address for more than 30 days a year?”. If respondents 

answered “yes” they were prompted to enter the full UK residential address or the country if the 

second residence was abroad. This was followed by a question asking respondents to nominate the 

type of residence from the following options: Armed forces base address; Another address when 

working away from home; Student’s home address; Student’s term-time address; Another parent or 

guardian’s address; Holiday home; Other. The question has been retained for the 2021 census with 

only the addition of “Partner’s house” as a response for the type of residence. The formulation used 

by the England and Wales censuses allows the identification of a range of dual-local arrangements 

including second homes, long-distance commuting, couples living apart together and children in 

shared custody arrangements. 

A question on dual residence was included in the 2001 Italian census. Respondents were asked to 

“Indicate whether during the past 12 months (21 October 2000 - 21 October 2001) the person lived 

in accommodation or institutional household (e.g., relatives or friends house, barracks, hospital) 

other than the present”. Respondents were then asked to nominate the number of days from a 

closed-response set. Persons living at another address for more than 90 days were asked to indicate 

if the person was currently absent, followed by the location of the accommodation (In this 

municipality; In another municipality; and abroad). A final question asked the reasons for absence. 

Pre-coded responses included: Work; Study; Vacation; Presence of relatives; Vacation; Previous usual 

residence; Other. The formulation used in the 2001 Italian census produced data on dual-local living 

arrangements tied to work, study, family and leisure. This question was not retained in the 2011 

Italian census. 

The 2020 United States census collected information on second homes (indirectly) as a by-product of 

its enumeration strategy. Individuals were directed to complete the census at their primary 

residence; however, homeowners were asked to complete a form for all properties owned and had 

the option of nominating these properties as seasonal homes. US census data on second homes are 

available back to the 1940s but are limited to the number and distribution of second homes across 

US states (US Census Bureau 2017). Information on the utilisation of seasonal homes, including the 

duration and purpose of use, is not available.  

Following the example of the England and Wales census and the 2011 Italian census, the following 

suite of questions is proposed for the 2026 census in Australia (Figure 1). The proposed questions 

follow the same format as the England and Wales censuses. This is due to their simplicity and low 

respondent burden compared with the Italian formulation. An indirect data item, such as collected in 

the US, is rejected due to its inability to enumerate dual-local households, such as couples living 

apart together and Fly-in Fly-out arrangements. It is proposed that the 30-day threshold is replaced 

by the term “regularly” to reduce recall burden for respondents. Supplementary information is, 

however, required to provide respondents with the definition of “regular”, here proposed as 



Australian Population Studies 5 (1) 2021 Charles-Edwards 5 

 

 

“recurring at uniform or fixed intervals e.g., weekly, monthly or seasonally”. Respondents regularly 

living at more than two addresses should be instructed to select only one. The response set for 

question 2 is shorter than the England and Wales equivalent, and aims to capture the main forms of 

dual residence living in Australia including long distance commuting, children in shared custody, 

couples living apart together and second homeowners. 

[1] In the past year, have you regularly stayed at another address?  

[ ] No 

[ ] Yes, write in other Australian address below 

(Address write-in) 

OR [ ] Yes, outside Australia , write in country 

[2] What is that address? 

[ ] Another address when working away from home 

[ ] Parent or guardian's address 

[ ] A partner’s address 

[ ] Holiday home 

[ ] Other 

Figure 1: Proposed census questions on dual residence 

Source: author 

3. Discussion 

Census statistics on dual residence have several potential applications. In this section, three are 

described alongside a brief discussion of past research and existing data sources. These are: 

understanding the impacts of second home communities; the intensity, pattern and composition of 

long-distance commuting (LDC); and the distribution and characteristics of couples living apart 

together (LAT). 

Second or vacation homes are a significant feature of regional landscapes in Australia and overseas. 

While there is extensive literature on second homes, the vast majority of papers are focused on 

Europe and North America. This literature points to the varied social (Gallent 2014), economic (Hilber 

and Schöni 2020; Velvin et al. 2013) and environmental (Hiltunen 2007; Næss et al. 2019) impacts of 

second homes. Besides improving our understanding of these varied impacts, accurate statistics on 

second homes would be useful for planning and provision of goods and services and emergency 

preparedness as part of service population estimates (McKenzie, Martin, and Paris 2008; Charles-

Edwards, Bell, and Brown 2008). Several Australian sources provide partial insight into the number 

and distribution of second homes in Australia, including census counts of unoccupied dwellings, the 

National Visitor Survey (NVS), and the Household, Income and Labour Dynamics in Australia (HILDA) 

survey. At the 2016 Census, 11 per cent of private dwellings were unoccupied, up from 10 per cent in 

2011. Over fifty per cent of private dwellings were unoccupied on census night in the Local 

Government Areas of Central Highlands, Robe, Queenscliffe, Tasman, Dandaraga, and 

Glamorgan/Spring Bay (Table 1). 



6 Charles-Edwards Australian Population Studies 5 (1) 2021 

 

Table 1: Percentage of unoccupied private dwellings, selected Local Government Areas, 2016 Census 

Local Government Area State % unoccupied private dwelling 

Central Highlands Tasmania 61 

Robe South Australia 58 

Queenscliffe Victoria 54 

Tasma Tasmania 52 

Dandaragan Western Australia 51 

Glamorgan/Spring Bay Tasmania 50 

Source: ABS TableBuilder, 2016 Census 

This statistic includes homes for sale, new homes yet to be occupied, homes in which the residents 

were absent on census night as well as second homes. No information on individuals using second 

homes is collected and thus the utility of census data is limited to identifying (potential) second 

home locations. Data have, however, been used for this purpose to good effect (see e.g., Frost 2004). 

The NVS collects data on trips and visitors to second homes (recorded as “own property”) by 

Australians aged 15 years and over and includes information on trip activities as well as limited 

demographic data. In 2019, the NVS recorded almost 5 million overnight trips to second homes of a 

total of 117 million overnight trips (Tourism Research Australia 2021). Sampling variability is large at 

the local area level which limits the utility of these data for understanding second home impacts. 

HILDA collects data on second home ownership, along with a rich array of sociodemographic data, 

but does not collect any information on the location of second homes, again limiting their utility for 

studying impacts at the local area level. The proposed census questions on dual residence overcome 

the main shortcomings of the extant data sets providing reliable information on both the spatial 

distribution of second homes at the small area level as well as detailed information on the attributes 

of individuals visiting them. 

Fly-in Fly-out (FIFO) and Drive-in Drive-out (DIDO) arrangements in the mining and construction 

sectors has disrupted the traditional relationship between place of usual residence and place of work 

in many parts of Australia (see the article by Haslam McKenzie in this issue). FIFO arrangements are 

just one form of long-distance commuting (LDC), an arrangement whereby people live beyond daily 

commuting distance from their workplace, necessitating several nights stay near their place of work 

before returning “home”. Several studies have attempted to estimate the intensity (KPMG for the 

Minerals Council of Australia 2013), geography (Nicholas and Welters 2016), and characteristics (de 

Silva, Johnson, and Wade 2011) of LDC by cross-classifying a combination of census data on place of 

usual residence, place of enumeration and place of work and then applying some distance threshold 

that precludes daily commuting. Estimates of the extent of LDC vary depending on the classification 

method and distance thresholds used (Nicholas and Welters 2016). More accurate data on LDC is 

important to understand the social and economic impacts of LDC on individuals, families and 

communities. This may become increasingly important in the post-COVID-19 era with increased 

acceptance of working from home potentially facilitating more LDC arrangements. 

A final application of the proposed question on dual residences relates to our understanding of 

couples living apart together (LAT). In recent decades, LAT has emerged as an important new 

household form, with estimates suggesting it involves around 10 per cent of the adult population in 



Australian Population Studies 5 (1) 2021 Charles-Edwards 7 

 

 

Western Europe, North America and Australasia (Duncan et al. 2014). Relatively little research on LAT 

has been undertaken in Australia (for exceptions see Tai et al. 2014 and Reimondos et al. 2011). 

Research from overseas suggests that the prevalence of these relationships is likely to increase over 

time, particularly among older adults (Benson and Coleman 2016). Growth in LAT relationships has 

the potential to impact average household size and dwelling demand (Reuschke 2010), as well as 

residential mobility (Wagner and Mulder 2015). While there are some survey data on LAT in Australia 

(e.g., HILDA), little remains known about the geographic distribution of these relationship and their 

impacts on urban form and spatial mobility. 

The three applications described above highlight the growing complexity of living arrangements in 

Australia as well as the sustained efforts of researchers and policymakers to understand the 

intensity, composition and geography of dual-local arrangements and their impacts. The increase in 

dual-local individuals presents a challenge to traditional population statistics which are founded on 

the notion of a single place of usual residence. The growth in personal mobility, improvements in 

telecommunication technology and continued dismantling of traditional societal norms has the 

potential to increase the prevalence of such arrangements. Statistics on dual resident individuals and 

households are therefore likely to become more important over time. 

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