US Retail Sales Jump 1.2% in August, Beating 0.8% Forecast

Q: Since the data's margin of error includes zero, could this celebrated August retail rebound actually be a statistical illusion?

Yes—but only in a narrow statistical sense. The Census Bureau reported August retail and food services sales up 1.2% with a margin of error of ±0.4 percentage point at a 90% confidence level, and it explicitly noted that the confidence interval includes zero. That means statisticians cannot say with 90% confidence that the true month-to-month change was above zero. So the headline “rebound” is not ironclad proof on its own and could be revised. Still, calling it a mere illusion would overstate the case. The gain was large relative to recent months, beat the 0.8% consensus forecast, and followed only a modest July decline after revision. More importantly, the strength was broad: nonstore retailers rose 2.6%, gasoline stations 3.1%, electronics 1.6%, restaurants 1.2%, and the closely watched control group jumped 1.4%. Sales excluding autos rose 1.4%, and excluding both autos and gas rose 1.2%, suggesting the increase was not just a fuel-price story. There are also two important caveats. The figures are nominal, not inflation-adjusted, so higher prices—especially gasoline—inflate the dollar totals. And this is an advance estimate based on a subsample, which the Census Bureau says is likely to be revised again, with updated figures expected later this month. So the prudent reading is that August probably points to renewed consumer spending strength, but not with enough statistical certainty to treat the 1.2% jump as definitive.

3 articles · Updated · Bloomberg · Sep 16

US retail sales rose 1.2% in August, the biggest gain in five months, after a revised 0.5% decline in July.
The increase topped economists’ 0.8% median forecast and was broad-based, indicating consumers kept spending even as gasoline prices climbed.
Census Bureau figures measure the value of purchases rather than inflation-adjusted volumes, leaving open how much of the gain reflected higher prices.
The rebound suggests household demand remained resilient late in the summer, offering a fresh read on consumer strength in the broader US economy.