How declining fertility will reshape Australian property markets

Australia’s ageing population and declining fertility rate changes the homes we need, the locations we value and the properties that are harder to sell. The strongest opportunities for investors and developers come from matching housing to changing household needs, with particular attention to accessibility, affordability and proximity to services.

But ageing alone does not tell us whether property prices will rise or fall. An older population can coexist with growing housing demand. Equally, a town can have a rising proportion of retirees while its pool of buyers and tenants contracts.

This distinction matters. Property performance depends on who is forming households, who is arriving, who is leaving, what they can afford and how much equivalent housing stock is available.

Australia’s demographic direction is clear. The total fertility rate fell from 1.795 births per woman in 2014 to 1.481 in 2024, well below the roughly 2.1 required for generational replacement without migration. However, declining fertility does not mean the number of births falls every year: registered births increased by 1.9% in 2024. This happens when the age group of ‘family creators’ is still producing babies, but as less babies arrive, the flow on effect happens over time.

There is also a correction to the idea that immigration only slightly underpins population growth. In the year to March 2026, Australia added 392,700 people. Net overseas migration contributed 292,100, while births minus deaths contributed 100,600. Migration therefore accounted for approximately 74% of population growth. Its contribution is substantial.

However as discussed in previous articles, you need to factor in the heavy lifting migration is doing for our depressed fertility rate. In that instance we are approximately 122,100 babies short of the 2.1 replacement rate needed, meaning 292,100 – 122,100 = 170,000 (over) population growth by immigration. This equates to 41% above the 2.1 replacement rate number but a 0.61% (over) total-population growth.

Under 1%.

Despite that immigration support, Australia is projected to become considerably older. ABS projections put the share of people aged 65 and over at between 25% and 27% by 2071, up from 17% in 2022. These are current predictions based on fertility, mortality and migration assumptions, rather than guaranteed outcomes.

For property, the effect unfolds over different timeframes. Lower births today primarily influence the number of locally born adults forming independent households in the decades ahead. People already in their twenties and thirties still need somewhere to live. Adult migrants can add housing demand much sooner. A falling fertility rate is therefore a poor reason, by itself, to predict an imminent housing downturn.

Household formation is the more useful starting point. Consider a hypothetical community of 10,000 people. At 2.5 people per household, it contains 4,000 households. At 2.2, the same population contains approximately 4,545 households. That is about 545 additional occupied homes without population growth. This is an illustration, not a forecast, and demonstrates what effect household make up, has on the dwelling needs.

Ageing can contribute to this effect as children leave home and couples eventually become single-person households. Yet affordability can push in the opposite direction, encouraging adult children to stay with parents or unrelated adults to share. Smaller households should therefore be tested locally, rather than assumed everywhere.

The ABS projects Australian household numbers to rise from 10 million in 2021 to between 13.3 million and 13.9 million in 2046. Those projections depend on population and living-arrangement assumptions, but they demonstrate why an ageing country can still require substantially more housing.

The property conclusions that follow are interpretations of these demographic forces. They indicate where demand may become more resilient, rather than establish a ranking of future capital growth.

Established suburbs with convenient access to everyday services have a strong underlying case. A home close to shops, medical care, public transport and social connections allows residents to maintain independence as their circumstances change. The quality of that access matters: a shopping centre nearby on a map is less useful if reaching it requires crossing a major road or driving because there is no safe footpath.

The Australian Institute of Health and Welfare notes that many older Australians prefer to remain in their existing home or community. Their ability to do so depends partly on housing suitability, modification options, upkeep affordability and access to services and support. That creates a case for appropriate homes within familiar neighbourhoods, including established middle suburbs, rather than assuming every retiree wants to leave the city.

Regional centres can also benefit when they offer a credible combination of housing affordability, healthcare, employment and lifestyle. The stronger proposition is a place capable of attracting retirees while retaining working households. Hospitals need staff. Businesses need customers and employees. Older residents need both services and people available to deliver them.

A regional centre with several employment sources and a functioning service network is consequently a different investment proposition from a small town dependent on one employer or seasonal tourism. Both may have older populations, but their capacity to replace departing households can be very different.

The same distinction applies to coastal and lifestyle markets. A pleasant setting may attract people at retirement, but long-term suitability also depends on specialist healthcare, transport, ongoing ownership costs and access to family. A location attractive at 65 may become inconvenient at 85. For long-hold property decisions, both stages deserve consideration and planning.

The most exposed locations are those where ageing accompanies persistent population loss, younger adults leave for work, services weaken and there are few incoming households. In that setting, homes released through relocation or deceased estates may face a limited replacement buyer pool. Possible consequences include longer selling periods, weaker rents and prices that struggle to keep pace with inflation.

That is a conditional risk, not a prediction for every country town. A rising median age does not reveal its cause. A town attracting financially secure retirees may be gaining spending power. Another may be getting older because its younger residents are leaving. Investors need the migration and employment evidence behind the headline statistic.

Dwelling design becomes equally important. A practical opportunity is housing that reduces maintenance while preserving independence and usable space. Single-level ‘villas’, compact detached homes and well-designed apartments with reliable lift access can all serve that purpose. The label matters less than the actual layout and cost of living there.

Features worth considering include step-free entry, an accessible bathroom, manageable outdoor space, storage, natural light and convenient parking. A two-bedroom home may suit a single resident who wants visitors to stay. A three-bedroom home may suit a couple wanting separate work or hobby space. Smaller households do not automatically imply demand for the smallest possible dwelling.

AHURI research found that lifestyle and financial considerations were the most common primary reasons for downsizing, with maintenance also significant. It also found no single typical retirement location. That supports a varied housing response, with product and price tailored to the community into which you are providing a solution.

Affordability is critical to whether that interest becomes an actual sale. A homeowner considering a move may want to release equity or free up cash, as well as reduce maintenance. If the replacement dwelling costs nearly as much as the existing home, transaction and moving costs can weaken the financial reasons. A large older population does not automatically create a deep market for expensive retirement apartments.

Conventional family homes will remain relevant. Lower fertility reduces one source of future demand; it does not eliminate families, migration or the desire for additional space. Houses near employment, schools and transport can retain a broad buyer pool. Flexible layouts that accommodate an older parent, adult children or a ground-floor bedroom may offer more options as household needs change.

By comparison, homes with unavoidable stairs, steep driveways, extensive maintenance or long distances to services face greater functional limitations for older occupants. Those limitations may narrow their buyer pool, although younger households or the value of the underlying land can still support price.

Apartments require similar discrimination. Lift access and a convenient location may strengthen their appeal, but high strata charges, major maintenance liabilities, poor construction or an oversupply of similar units can outweigh those advantages. A demographic need for accessible housing does not guarantee a profitable investment in every building that offers it.

Specialist retirement accommodation also requires separate analysis. Demand for a place to live, returns earned by an operator and the resale outcome for an individual resident are different questions. Retirement villages and land-lease communities should be assessed on their actual ownership arrangements, ongoing costs, exit terms and resale conditions. Their demographic appeal cannot be treated as proof that they will perform like conventional freehold housing.

The broad implications can be expressed as follows.

Location or dwelling	More favourable conditions	Conditions that weaken the case
Established metropolitan suburb	Services, transport, varied employment and limited competing suitable stock	Excessive entry price or unaffordable ownership costs
Regional service centre	Incoming households, healthcare, diverse jobs and a genuine affordability advantage	Weak employment or housing supply running ahead of demand
Coastal or lifestyle town	Healthcare, transport, family access and sustainable ongoing costs	Isolation, seasonal dependence or expensive maintenance and insurance
Small ageing town	Stable employment and enough new households to replace departures	Youth outflow, population decline and weakening services
Accessible villa or compact house	Practical layout, manageable maintenance and competitive pricing	Poor location or a price beyond local purchasing power
Apartment with lift access	Usable space, sound construction and manageable strata costs	Building liabilities, high fees or abundant similar supply
Conventional family home	Jobs, schools, flexible accommodation and broad buyer demand	Inflexible design in an area losing family households
Specialist retirement housing	Product, contracts and pricing that suit the target market	Assuming demographic growth guarantees resale gains

If migration slowed to providing only modest support, the case for selectivity would become stronger. National household growth would generally be lower than under an otherwise comparable higher-migration scenario. Locations and dwelling types dependent on continual new arrivals would need closer scrutiny. Accessible housing could still gain market share within that slower-growing market, but gaining share would not necessarily mean rising prices.

Nor should an ageing population be assumed to produce a sudden flood of family homes for sale. Many people remain in their homes for years. When a couple becomes a single-person household, the dwelling is usually still occupied. Later, a property may be sold, retained by family or rented out.

For an investor or developer, the practical test is to compare local household growth and purchasing power with existing stock and the construction pipeline. Examine age-specific migration, employment, vacancy rates, competing listings, accessibility and the prices households can actually pay. Measure performance through net rental income, resale liquidity and capital growth after costs, rather than demand alone.

In other words, do your research, just like you always should have done, but maybe didn’t need to do.

Australia’s demographic transition creates a case for well-located, accessible and manageable housing at prices the intended occupants can afford. It creates greater risk for unsuitable homes in places that struggle to attract replacement households. The investment advantage lies in identifying where those needs are unmet—and buying or building at a price that leaves room for a worthwhile return.

The developers and investors who treat demographics as a design brief — rather than a background statistic — will be the ones whose stock performs when Baby Boomers are in their eighties and the next generation of families is smaller and later than the last.

Till next time…

Scotty North

Sources for this article:
ABS Births Australia⁠

ABS population statistics⁠

ABS population projections⁠

ABS household projections⁠

AIHW housing and living arrangements⁠

AHURI research on downsizing⁠