Australia’s Cities Are Now Among the Most Unaffordable in the World – But What Does That Really Mean for Property Investors?

Australia’s Cities Are Now Among the Most Unaffordable in the World – But What Does That Really Mean for Property Investors?

  23 Jun 2025


It’s official – again.

Australian capital cities, particularly Sydney and Melbourne, are among the most unaffordable places to buy a home anywhere in the world.

A new global housing affordability survey has ranked Sydney as the second least affordable city globally (just behind Hong Kong), with Melbourne not far behind at number four.

That’s the sort of headline that grabs attention – and predictably sets off a flurry of outrage, fear, and political finger-pointing.

But as with most sensationalist headlines, there’s more to the story.

And if you’re a strategic property investor, this news isn’t necessarily bad.

In fact, it’s another indicator that Australia’s best capital cities – especially our economic powerhouses – remain in high demand.

Let’s unpack what’s really going on here.

The affordability rankings: what they really measure

The report from US-based Demographia ranks cities based on the “median multiple” – the ratio of median house prices to median household income.

In other words, it’s a simplistic measure: the higher the multiple, the more unaffordable a market is deemed to be.

Sydney came in with a median multiple of 13.8 – that’s to say, the median home costs nearly 14 times the median household income.

Melbourne’s ratio sits at 9.8.

By comparison, cities like New York and London rank lower on the list.

That might sound shocking at first glance.

But here’s the problem: this metric completely ignores a city’s economic structure, planning restrictions, desirability, and future growth potential.

And more importantly, it fails to reflect how real-life homebuyers and investors actually make purchasing decisions.

High prices reflect high demand, and that’s not a bad thing

Let’s be honest – Sydney and Melbourne aren’t unaffordable because no one wants to live there.

Quite the opposite.

They’re unaffordable because people desperately want to live there.

These cities are global gateways.

They have robust economies, diverse job markets, world-class infrastructure, top-tier education, and desirable lifestyles.

People vote with their feet – and their wallets – to live and invest there.

So yes, prices are high.

But that reflects strong, persistent demand against a backdrop of limited supply – a hallmark of a resilient, appreciating property market.

Remember, we’re not just investing in property.

We’re investing in locations.

And the best locations will always command a premium.

The real issue: a broken supply system

If we want to talk seriously about affordability, we need to focus less on property prices and more on supply-side constraints.

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