U.S. inflation outpaces wage growth, deepening pressure on household spending

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U.S. inflation outpaces wage growth

Highlights

U.S. consumer prices rise 3.4% year-over-year in August while average hourly earnings increase 3.1%, resulting in real wage declines of 0.3%.
Gasoline prices climb 3.9% in August, making up over one-third of the CPI gain, as energy costs surge due to the Iran and Ukraine wars.
Navy Federal reports U.S. consumers across income brackets are shifting spending from premium retailers to discount stores like Costco and Aldi, reflecting widespread affordability pressures.

August price and wage gap widens

As reported by CNBC, citing the U.S. Bureau of Labor Statistics, consumer prices rise 3.4% in August from a year earlier, while average hourly earnings increase 3.1% over the same period. Real average hourly earnings, adjusted for inflation, fall 0.1% from July and are down 0.3% from a year earlier in August.

Heather Long, chief economist at Navy Federal Credit Union, says the latest figures show many households are falling behind as pay fails to keep up with higher prices. She describes April as a turning point after a longer stretch from May 2023 to about April of this year when wage growth generally exceeds inflation.

Long links the reversal to higher gasoline and energy costs after the Iran war begins this year. Gasoline prices rise 3.9% in August alone, accounting for more than one-third of the consumer price index gain, while diesel touches $6 per gallon on Friday amid fuel supply disruptions tied to wars in Iran and Ukraine.

She says inflation is unlikely to fall substantially while geopolitical pressures continue and wage growth slows. In her view, the best-case outcome is for wage growth and inflation to converge again around the beginning of 2027, though that would still leave many households under strain.

Households shift spending to lower-cost retailers

Pressure on real incomes is already showing up in consumer behavior as Americans cut back and look for lower prices. Because consumer spending accounts for roughly two-thirds of U.S. economic activity, a sustained squeeze on paychecks could weigh more broadly on the economy.

Data from YouGov shows higher-income shoppers are more likely to buy groceries at Costco, while Walmart Supercenter is the preferred grocery store for middle- to lower-income households. Long says Navy Federal's internal spending data, covering about 15 million members, also shows a shift toward warehouse clubs and discount stores across much of the income spectrum.

She says shoppers who once went to Whole Foods are now turning to Costco and Aldi as they try to stretch every dollar. That shift suggests inflation and affordability pressures are spreading beyond lower-income households and are becoming a broader consumer issue across the U.S.

Our earlier coverage of U.S. transportation inflation in August 2026 showed that transportation costs were a major driver of overall CPI, with gasoline prices surging year over year and accounting for a large share of the headline increase. While items like motor vehicle insurance and used cars partially offset the category’s impact, elevated fuel costs were still portrayed as a key pressure point for household budgets and inflation expectations ahead of the Fed’s September meeting.

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