The K-Shaped Economy’s Defining Statistic Is Broken. Here’s What the Numbers Hide.

Right now, there’s a figure that tends to put an end to discussions in economic circles. Just one in ten Americans, or the top 10%, now control half of the nation’s consumer spending. Take a moment to sit with that. Half.

Additionally, since consumer spending accounts for about 70% of the U.S. GDP, the numbers are unsettling: a relatively small number of wealthy individuals make everyday purchases that account for about one-third of the country’s GDP. The stock market had one poor quarter. One change in attitude. The wealthy pull back for one reason, and the entire engine falters.

This is what economists have come to refer to as the “K-shaped economy,” and it’s important to comprehend why, despite the typical shelf life of economic buzzwords, the term has persisted. The metaphor is the letter itself. The two diverging arms are more important than the vertical spine. One at an upward angle. One was floating down.

Two paths, the same nation, the same time. The stock market crowd, asset owners, and high earners all have the upper hand. People living paycheck to paycheck, gig workers, service workers, and members of the middle class are all on the lower one. In many respects, the economic narrative of this decade is the difference between those two lines.

Speaking to reporters in March, Jerome Powell appeared hesitant to discuss the stagflation analogy that some analysts were attempting to make. He remarked, “I always have to point out that that was a 1970s term,” pointing out that the nation does not currently experience double-digit unemployment or uncontrollably high inflation.

Technically, he is correct. However, when you’re in a grocery store watching someone carefully put a box of cereal back on the shelf because the math isn’t working this week, the caution seems a little flimsy. One thing is clear from the official figures. Many American homes have a different vibe.

The fact that GDP, the headline statistic that politicians frequently use, doesn’t truly reflect the state of individual households is part of the issue. It provides you with the total amount of economic activity. It doesn’t identify the driver or the person who was abandoned at the curb. The GDP has been gradually increasing at the moment.

That is accurate. However, if you look at what’s driving it, you’ll find two specific engines: the spending on AI infrastructure and the consumption patterns of affluent Americans whose investment portfolios have had a successful few years. That’s not the kind of wide-ranging, diverse economic growth that anyone should be especially optimistic about.

The picture of inflation is a complex chapter in and of itself. Yes, the rate has decreased from its peak in 2021–2022. However, the total amount of inflation over the previous five years is about 25%. Prices have increased more quickly than many Americans’ paychecks for the past five years. Furthermore, since 1984, real wage growth, adjusted for inflation, has only been 12%.

For forty years, the economy has actually grown in size, but the average worker’s real purchasing power has hardly changed. This could be the slow burn behind a lot of the annoyance that appears in consumer sentiment surveys—the kind of annoyance that is difficult to quantify by employment or interest rates.

Inflation is absorbed differently by those who have no savings or assets. Approximately 2.5% of all household wealth in the US is controlled by the poorest 50% of households. They have no buffer to quietly absorb rising grocery prices. Approximately two-thirds of all household wealth is held by the top 10%. Higher grocery store prices are not a crisis to them, but rather an annoyance. Frequently, their investment accounts are up.

Their houses have grown in value. The logic of decades of policy, wage stagnation, and asset inflation that were never fully taken into account, rather than outright malice, is what makes the math at the top of that K work differently.

In all of this, the housing market has turned into a kind of case study. The price of luxury homes increased by 5% annually, which is three times faster than that of non-luxury homes. The median age of a first-time homebuyer in America is currently forty years old, which is a statistic that seems almost too bizarre to be true. It was 28 in 1991.

It was 33 in 2020. It’s obvious that something broke between then and now, and it’s not generational apathy or laziness. A significant portion of the working population has been priced out by this market for so long that the effects are now evident in the census data.

Observing all of this, it seems as though the economy’s seeming resilience is based on a weaker foundation than the overall figures indicate. 35% of GDP is driven by a single demographic group. An asset class with its own unresolved sustainability issues is AI infrastructure. a housing market in which homeowners are the most active buyers.

These things are capable of holding. They’ve been hanging out. However, it is difficult to ignore the fact that the system is less stable, less diverse, and more reliant on a small portion of American life than we are typically willing to acknowledge.

It’s likely that Jerome Powell is correct that the term “stagflation” is inappropriate at this time. However, the term we’re using in its place—growth—may be obscuring itself. GDP by itself just cannot provide answers to the questions of growth for whom, precisely, and built upon what. Despite all of its jargon, the K-shaped economy truly aims to achieve that.

No recession or not a recession. Not a boom or bust. Something messier and more truthful than either of those dichotomies: an economy that is subtly depressing some people while simultaneously doing well for others.