Is Australia's iron ore boom ending?

Updated 3 November 2026 with the latest figures.

On 14 October, BHP confirmed job cuts at four Pilbara mines: South Flank, Mining Area C, Jimblebar and Newman. The ABC understands about 300 roles will go, roughly 2% of a workforce of about 16,000. BHP has not confirmed the number.

Adam Woodage, WA state secretary of the Electrical Trades Union, called the cuts a "senseless attack".

Prices have kept slipping since. On 27 October Singapore iron ore futures touched US$89.25 a tonne, the lowest since September 2024, Mining.com reported. That is about 13% below the US$103 ore fetched when the federal budget landed in May.

Iron ore is Australia's biggest export. The federal industry department puts 2025-26 earnings at $118.7 billion. That money pays Pilbara wages, WA's royalty bill and a large slice of Canberra's company tax.

It also props up the dividends in most people's super. So when the biggest miner starts trimming staff, is the boom over?

The boom is fading, not crashing. Prices are drifting lower as China makes less steel and a giant new mine in Guinea ramps up. They still sit well above what Canberra assumed in May. Confidence: Likely.

China is the biggest buyer, importing about 1.26 billion tonnes in 2025 on the industry department's figures. It is making less steel. Its official statistics bureau counted 724.77 million tonnes of crude steel in the first nine months of 2026, down 2.9% on a year earlier (SteelOrbis).

Supply is moving the other way. Simandou, a huge high-grade mine in Guinea part-owned by Rio Tinto and Chinese partners, shipped its first ore to China in December 2025. By May the whole project was exporting 2.2 million tonnes a month, on Kpler ship-tracking data reported by Bloomberg.

Rio's own blocks hit an annual pace of about 10 million tonnes in the September quarter. Rio says it remains on track for 60 million tonnes a year in the second half of 2028 (SteelOrbis).

The federal industry department's September forecasts follow that logic. They see the Australian price averaging about US$88 a tonne in 2026 and US$82 in 2027. By 2031 it drops to US$64 in today's dollars.

Iron ore export earnings fall from $118.7 billion to $86.9 billion by 2030-31 on those forecasts. That is a drop of about a quarter over five years.

It is a slide, not a cliff. Export volumes keep rising until 2027-28, peaking at 951 million tonnes.

BHP's own results explain why a slide doesn't mean a crisis. In the year to June, it sold Pilbara ore for an average of US$84.56 a tonne, and it cost US$19.66 a tonne to produce.

In the September quarter its realised price fell 9% to US$76.27 (BHP). Against its cost guidance, that still leaves about US$55 of margin on every tonne, on our maths.

So the job cuts look like cost control, not distress. BHP expects unit costs of US$20.25 to US$21.75 a tonne this financial year, depending on diesel prices. It also set quarterly records at its Pilbara mines and port.

Compare 2014, the last time the boom turned. BHP confirmed about 3,000 cuts across its iron ore division that June, ten times this round.

The bigger shift is inside BHP itself. Copper earned 54% of the company's underlying earnings in the year to June, more than iron ore for the first time.

The Pilbara is still a cash machine. It is just no longer the whole machine.

The May federal budget assumed iron ore would fall to US$60 a tonne. Even at a two-year low near US$90, Canberra is still collecting more than it planned for.

Treasury's own rule of thumb, published in December 2024, put each US$10 move at about $0.6 billion of tax in 2026-27. Crikey's Bernard Keane wrote on 29 September that commodity windfalls had flattered Labor's budget results.

Western Australia is more exposed. Its budget assumed an average of US$85.2 a tonne for 2026-27.

WA Treasury says every US$1 change in the price is worth about $93 million to the state, up or down. The late-October price sat only about US$4 above that line.

The bear case says a crash is coming, not a fade. Atilla Widnell, managing director of a commodities research firm, told Bloomberg in 2024 that the market resembled a decade earlier, when prices fell below US$40 a tonne. Vivek Dhar of the Commonwealth Bank put the long-run price at US$68.

That case gets the direction right. Simandou has ramped faster than many expected, and China's steel output is shrinking.

But the evidence pushes back on speed. That 2024 warning said iron ore's US$100 floor was at risk, and two years later the price still sits near US$90. BMI has trimmed its 2026 average forecast only to US$95, and Macquarie puts a cost floor near US$85.

Even US$60 would leave BHP's Pilbara profitable; higher-cost producers would feel it first.

Nobody can forecast Chinese steel demand with confidence. China's steel output was flat in September on a year earlier, after months of falls.

BHP expects output to plateau near one billion tonnes a year this decade. This verdict rests on that holding, and on Simandou taking years, not months, to reach full speed.

Australia's iron ore boom is fading, not crashing: prices near US$90 still beat what Canberra budgeted, and export earnings fall by about a quarter by 2030-31. Confidence: Likely.

If that is right, Canberra keeps a buffer, while WA's budget, Pilbara workers and higher-cost miners carry most of the risk.

This piece draws on 19 sources: seven primary documents or official data sets (two BHP reports, two budget papers, WA Treasury figures, China's statistics bureau, the federal industry department's forecasts via two reports), ten news reports and two bank forecasts. The industry department's report itself could not be opened for this piece, so its figures come from two independent summaries that match. On our maths: BHP's margin (US$76.27 against unit cost guidance of US$20.25 to US$21.75), the 13% price fall since May, the 2% job share and the 27% fall in export earnings. Updated on 3 November 2026 with October prices, BHP's and Rio Tinto's September quarter reports and China's nine-month steel data. Researched with AI tools; checked and edited by VOID.

Iron ore prices have drifted to a two-year low because China is making less steel and a big new mine in Africa is opening. The miners still make huge profits on every tonne, and the federal budget already assumed a much lower price. The real risk sits with WA's budget and Pilbara workers, not with Canberra.