Latest / Inflation Explained with Fexingo: CPI, Prices, and the Cost of Living for Everyday People / Why the Shelter Category Is Hiding Real Rent Inflation
Transcript
- Lucas: So the May CPI came in at 334.0, up from 332.41 the month before. Core CPI hit 336.1. And if you just read the headline — 2.9 percent annual inflation — you'd think, okay, we're making progress. But there's a number buried in that report that tells a very different story, and it's the biggest single line item in the index. Luna: You're talking about shelter, right? The category that makes up about a third of CPI. Lucas: Exactly. Shelter alone accounts for roughly 34 percent of the headline CPI. And within that, the single biggest subcomponent is something called owners' equivalent rent — or OER. That's the BLS asking homeowners, 'If you were to rent your home, what do you think you could get for it?' And that survey number is used to estimate what roughly two-thirds of Americans — homeowners — are paying for housing, even though they don't actually pay rent. Luna: Right, and that number has been running way below what actual market rents are doing. In May, the BLS reported shelter inflation at about 5 percent year over year. But if you look at Apartment List's national rent index or Zillow's observed rent index, real market rents are up more like 8 to 9 percent over the same period. Lucas: That gap is massive. And it matters because the Federal Reserve looks at core CPI — which strips out food and energy but includes shelter — as one of its key gauges. If shelter is understating true rent inflation by three to four percentage points, then the inflation picture the Fed is seeing is rosier than what renters are actually experiencing. Luna: So is the BLS just bad at this, or is there a reason for the lag? Lucas: It's mostly methodological. The BLS surveys a fixed panel of rental units every six months. So if a landlord raises rent today, it might not show up in the data for six months, and then it gets averaged into a six-month change that smooths it out further. OER is even slower because it's based on a survey of homeowner opinions, which tend to be stickier and less sensitive to market movements. The BLS is aware of this — they publish research on the lag — but changing the methodology is incredibly hard because it would break the historical consistency of the index. Luna: And that consistency is important for things like Social Security cost of living adjustments and Treasury inflation-protected securities. So there's a trade-off. Lucas: Right. If they changed the methodology to capture real-time rents, the CPI would jump, and suddenly every inflation-adjusted contract in the economy would reset. That would cause chaos. So they keep the old method, knowing it lags. But the consequence is that for renters, the official inflation number feels disconnected from reality. Luna: Let's put some numbers on that. Apartment List's May 2026 rent report showed national median rent at $1,412, up 8.3 percent year over year. Zillow had a similar figure. Meanwhile, the BLS shelter index was up 5.1 percent. That's a three-point gap. Lucas: And it's not just rent — OER for homeowners is even more detached. The BLS reported OER up 4.8 percent in May. But if you look at imputed rent — what economists think homeowners could actually get if they rented — it's closer to the market rent growth. So homeowners are seeing their housing cost go up in real terms too, but the official number doesn't reflect it. Luna: Does this mean the Fed is actually behind the curve on inflation? Lucas: It suggests they might be. The Fed's preferred measure is core PCE, which also includes shelter but with a different weighting — shelter is about 15 percent there, compared to 34 percent in CPI. So PCE is less distorted by this lag. But even so, the core PCE came in at 130.1 in May, up from 129.67. That's still above the Fed's 2 percent target. And if shelter were accurately measured, the overshoot would be larger. Luna: So what does this mean for someone listening who's about to sign a new lease or renew one? Lucas: It means don't take the CPI headline as a guide for what your landlord is going to charge you. Market rent growth has been running at two to three times the official shelter inflation number for over a year now. If you're negotiating a lease, you should know that the BLS says rent is up 5 percent, but real market data says 8 percent. Your landlord knows that. Luna: And there's a geographic dimension too. In cities like Austin, Phoenix, and Tampa, rent growth has actually cooled from 2022 peaks, but in the Northeast and Midwest, it's still accelerating. The national average masks a lot of variation. Lucas: That's a great point. The BLS publishes regional CPI data, and shelter inflation in the Northeast was running at 6.2 percent in May versus 4.5 percent in the South. So even within the official numbers, there's a lot of variation. But the core issue remains: the official shelter number is a lagging indicator that smooths out the volatility that real renters experience. Luna: And that lag is built into the system deliberately, as you said, for consistency. But it does create a kind of blind spot for policymakers and for anyone trying to understand their own cost of living. Lucas: Exactly. And honestly, if walking through the economy with us has made something click about why your rent feels higher than the news says, that's the kind of insight we hope you get from this show. If today was worth a coffee to you, you can find us at buy me a coffee dot com slash fexingo. No pressure, just a way to keep this ad-free. Luna: Yeah, we really appreciate the listeners who do that. It makes a difference. Lucas: So back to the numbers — one interesting development is that the 10-year breakeven inflation rate, which is the market's expectation of average inflation over the next decade, is sitting at 2.23 percent. That's basically flat. So bond traders don't seem to think the shelter lag is going to cause a sustained overshoot. They expect it to eventually converge. Luna: But that convergence depends on new rent increases slowing down. And the jobs data from last week — just 57,000 new payrolls in June, with the unemployment rate ticking up to 4.2 percent — suggests the labor market is cooling. That could put downward pressure on rents as demand softens. Lucas: It could. But there's also the supply side. Multifamily construction starts peaked in 2023 and have been declining since. So even as demand softens, new supply is also tapering. That could keep rents elevated. The BLS shelter index will eventually catch up to the 2023-2024 rent surge, but by then, the market may have moved on again. Luna: So it's a moving target. The official numbers are always looking in the rearview mirror. Lucas: And that's the key takeaway. CPI shelter is a useful historical record, but it's not a real-time signal. If you're making decisions based on it — whether you're a renter, a landlord, or a policymaker — you need to supplement it with market data. Apartment List, Zillow, RealPage — these private sources are often more current than the government numbers. Luna: And the Fed knows this. Several Fed presidents have mentioned they look at private rent data alongside CPI. But they can't officially adopt it for policy without a formal change. Lucas: Right. So we're in this weird zone where everyone knows the official number is off, but no one wants to be the one to pull the thread because it would unravel decades of indexed contracts. That's the tension at the heart of inflation measurement. Luna: It's a good reminder that statistics are not reality. They're a model of reality, and every model has assumptions. Lucas: And those assumptions have real consequences. Next time you see a headline that says 'inflation is cooling,' ask yourself: which inflation? Measured how? And for whom? Because the answer might be very different depending on whether you own your home or rent it.