The United States economy grew at an annual rate of 3.4% in the third quarter of 2026, accelerating from 2.2% in the second quarter, as a sharp rebound in business investment combined with resilient consumer spending, according to the advance estimate published on Thursday by the Bureau of Economic Analysis (BEA).

The figure, which covers July through September and is the government's first of three estimates for the quarter, came in above the 3.2% pace forecasters had expected. In current-dollar terms, gross domestic product rose 5.6% at an annual rate. At a simple quarterly rate, the economy expanded 0.8% — a reminder that the headline number is annualised, projecting the quarter's pace over a full year.

The acceleration matters because it arrives at a moment of unusual cross-currents for the world's largest economy: a cooling labour market that has already prompted the Federal Reserve to cut interest rates twice this year, inflation that is easing on a quarterly basis but remains elevated year over year, and a political calendar heading toward midterm elections in which the state of the economy is certain to feature prominently.

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Investment leads the acceleration

Business investment was the single biggest driver of the step-up in growth. Private domestic investment grew at a 19.4% annual rate in the third quarter, up from 4.6% in the second, according to the BEA's detailed tables, contributing 3.3 percentage points to overall growth.

Two forces powered that surge. Companies built up inventories, led by wholesale trade and manufacturing, and they sharply increased spending on equipment — up 20.9% at an annual rate, compared with 13.4% in the previous quarter — led by information-processing equipment, principally computers and related gear. The pattern fits the broader story of the year: firms racing to build out computing capacity, with the artificial-intelligence investment boom a prominent engine, as reported in coverage of the BEA release.

Exports, by contrast, turned down in the quarter and partly offset the domestic strength, while imports — which subtract from GDP in the national accounts — also played their usual complicating role. The BEA attributed the overall acceleration primarily to faster investment and an upturn in government spending, partly offset by the downturn in exports.

Consumers keep spending

Household spending, the engine that accounts for roughly two-thirds of American economic activity, grew at a 3.8% annual rate — unchanged from the second quarter and, by some measures, its strongest pace since late 2024 — adding 2.5 percentage points to growth.

Services led the increase, with health care — hospitals and outpatient care in particular — and food services and accommodation at the front. Within goods, spending rose on other nondurable goods, led by prescription drugs. Goods spending overall grew 3.0%, slower than the second quarter's 4.5%, while services accelerated to 4.1% from 3.4%.

Government spending also contributed, rising 5.3% after a 0.1% decline in the second quarter and adding 0.9 percentage points. Federal spending more than accounted for the increase, led by nondefense consumption — a pattern the BEA said partly reflected smaller sales of crude oil from the Strategic Petroleum Reserve, which enter the accounts as a deduction from government consumption.

Taken together, consumer spending and private fixed investment — the BEA's measure of underlying private demand, known as real final sales to private domestic purchasers — rose 4.9% at an annual rate, up from 4.6% in the second quarter. That is a notably solid reading of domestic demand, and one that sits oddly alongside the softer jobs data that has preoccupied policymakers.

Inflation: cooling on the quarter, sticky on the year

The same release carried encouraging news on prices, at least on a quarterly view. The personal consumption expenditures (PCE) price index — the Fed's preferred inflation gauge — rose at a 2.1% annual rate in the third quarter, down sharply from 5.0% in the second. Excluding food and energy, core PCE rose 2.5%, down from 3.3%. The broader price index for gross domestic purchases increased 3.0%, down from 5.6%.

The year-over-year picture, published the same day in the BEA's separate personal income and outlays report for September, was less comfortable: PCE prices were up 3.6% from September 2025, and 3.1% excluding food and energy. That report also showed Americans' incomes rising 0.2% in September and spending growing 0.5% in current-dollar terms, while the personal saving rate fell to 3.8% — its lowest in nearly four years, a detail that tempers enthusiasm about the durability of consumer strength.

What it means for the Federal Reserve

For the Federal Reserve, the report complicates an already delicate balancing act. The central bank has cut its benchmark rate twice this year — most recently to a range of 3.75 to 4% — in response to a labour market that has lost momentum, as covered in our report on the Fed's second rate cut of the year. Stronger-than-expected growth does not, by itself, argue against further easing: the Fed's concern has been hiring, not output. But a 3.4% growth print combined with still-elevated year-over-year inflation gives officials who favour caution a stronger hand at coming meetings, and it may temper market expectations of rapid further cuts.

The comparison with other major economies is also instructive. China's economy grew 4.5% year over year in the third quarter, beating forecasts, as we reported in our coverage of China's third-quarter growth — a reminder that the American acceleration is part of a broader, if uneven, global picture rather than an isolated event.

Reasons for caution

Three caveats deserve emphasis. First, this is an advance estimate built on incomplete source data: the BEA itself flags that its figures rest on assumptions detailed in its source-data table, and the second estimate — due on 25 November, alongside corporate profits data — could revise the picture materially. Second, part of the investment surge reflects inventory accumulation, which can reverse in subsequent quarters rather than signalling lasting demand. Third, the falling saving rate raises a question about how long households can sustain their current pace of spending if income growth stays modest.

None of that diminishes the headline: the American economy entered the autumn growing faster than expected, powered by businesses investing and consumers spending. Whether that momentum survives the winter — and what it means for interest rates, jobs and the political debate — will depend on the revisions and the data still to come.

Frequently Asked Questions

How fast did the US economy grow in the third quarter of 2026?

Real GDP grew at an annual rate of 3.4% in the third quarter, according to the BEA's advance estimate, up from 2.2% in the second quarter and above the 3.2% forecast. At a quarterly rate, growth was 0.8%.

What drove the acceleration?

Business investment was the main driver, growing 19.4% at an annual rate on inventory building and a 20.9% surge in equipment spending, led by computers. Consumer spending grew 3.8% and government spending rose 5.3%, while exports fell back.

What happened to inflation?

The PCE price index rose 2.1% at an annual rate in the quarter, down from 5.0% in the second quarter, and core PCE rose 2.5%. However, the September personal income and outlays report showed PCE inflation of 3.6% measured year over year.

Is this the final figure?

No. The advance estimate is the first of three readings. The BEA will publish its second estimate of third-quarter GDP, together with corporate profits, on 25 November 2026, and the figures may be revised.

What does the report mean for interest rates?

It complicates the Federal Reserve's decisions: stronger growth and still-elevated year-over-year inflation argue for caution on further cuts, even as the cooling labour market has already prompted two rate reductions this year.