Cutting Migration Would Cost Australia More: What the Government's Modelling Shows

News · 2026-09-22 · 3 min read

Calls to reduce migration are getting louder in Australian politics. Before you take those headlines as the final word, look at what the government's own long-term economic projections say. On those figures, cutting migration creates bigger problems than it fixes.

The budget figures critics rarely quote

Government fiscal modelling tests what happens under a lower-migration scenario. The results are clear:

The underlying budget deficit widens from 1.8% of GDP to 2.4% by 2065-66.
Government debt, measured as a share of GDP, finishes nearly 10 percentage points higher.

Put simply, the long-term fiscal cost of having too few migrants outweighs the “cost” of migration that opponents keep talking about.

The ratio behind the budget hit

The key measure is the “dependency ratio”: the number of people aged 65+ for every 100 working-age Australians. Right now it is around 27 per 100. With standard migration settings it is projected to hit 40 by the 2060s. With lower intake, it rises to 43 per 100.

Why does that matter? A smaller pool of working-age taxpayers must fund healthcare, pensions and aged care for a larger pool of retirees. Fewer workers per retiree puts pressure on services and directly on the federal budget. This is arithmetic, not ideology.

A long-running birth rate problem

Australia's fertility rate has been well below the replacement level of 2.1 births per woman for half a century. It now sits around 1.5, and official projections see it sliding to roughly 1.34 over the next four decades. Sometime in the mid-2060s, deaths are expected to exceed births for the first time in Australia's modern history.

Unlike some earlier governments, the current Treasurer has explicitly ruled out baby-bonus style incentives and lecturing Australians on family planning. That makes migration the primary lever left for keeping the population, and the workforce, growing.

Signals for applicants and employers

Skilled migration is a core economic priority, not a discretionary add-on. Treasury's baseline planning assumes net overseas migration of well over 200,000 people a year simply to avoid worse fiscal results.
Migrants hold up the system, not just fill gaps. Younger working-age migrants pay tax today, while the ageing citizen population draws more on services.
Official language ties multiculturalism to economic strategy, presenting migration as a source of skills, innovation and international connections rather than simple population growth.

Short-term politics may be noisy, but these points show the structural direction the projections support.

Stay focused, stay safe

Migration becomes a handy political target every election cycle. The government's own long-range modelling, however, shows that reducing it would not relieve pressure on the budget or public services. It would speed up the demographic crunch that critics say they fear. The article's conclusion is that Australia's economic future rests on sustained, well-managed migration.

If you are planning to work in Australia, do not let political noise, or people who exploit it, push you into rushed decisions. Get visa information from official Australian government sources, deal only with agents and employers you have verified, and remember that a genuine employer will never ask you to pay for a job offer.

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