When Debt Strangles Growth "Good times are when people make debts to pay in bad times."
~ Robert Quinlin  When there's a bull market in stocks, people tend to ignore the real economy… October 22, 2025 — Every now and then, something lands on my desk that’s too good to sit on — and I’d rather share it now than risk forgetting later.
But first, a bit of context.
As I write this, U.S. government debt is edging closer to the $38 trillion mark — now well over 120% of GDP. That puts the U.S. in the same league as basket-case economies like Venezuela, Sudan, and Lebanon. Not exactly the kind of company you want to keep.
But it makes sense: history shows that once a country crosses this threshold, things start to break — and it’s rarely just one thing. I’ve talked a lot about that in the past.
But what I haven’t shown you yet is what high levels of debt actually do to growth. That’s where this week’s chart comes in. Take a look below.  The chart tracks growth rates across 20 developed economies sorted by their debt levels. With data spanning from 1790 to 2009, it’s one of the longest looks we have at how rising debt eventually strangles economic growth.
As the chart makes clear, countries with debt below 30% of GDP grow at a healthy clip of nearly 4% a year. As debt rises into the 30–60% range, growth slows to around 3.1%. Push it further to 60–90%, and it slips well below 3%. But once you cross that 90% threshold —the rightmost bar in the chart — growth collapses to under 2%.
That’s not a coincidence. High debt levels act as a brake on economic expansion. They crowd out private investment, force higher taxes, and create uncertainty that discourages business activity. The more debt piles up, the harder it becomes for an economy to grow its way out of the hole.
Think about what that means.
Every percentage point of lost growth translates to fewer jobs, lower wages, and — ironically — even more debt as the government tries to paper over the weakness. It’s a self-reinforcing cycle that’s incredibly difficult to escape once you’re in it.
Now, as I mentioned earlier, things tend to break once you pass the 120% debt-to-GDP mark.
The only country I can think of that has managed such a high debt load without complete disaster is Japan (its debt-to-GDP ratio is actually well over 200%). And that’s largely because of its peculiar advantages — it funds nearly all its debt domestically and benefits from a cohesive society willing to “tough it out together.”
But even Japan hasn’t escaped economic stagnation. Growth has been flat for decades, wages are stagnant, and the economy survives only on government and central bank life support. Japan is living proof that even when debt doesn’t blow an economy up, it slowly strangles its vitality.
Now, again, the U.S. is sitting at well over 120% debt-to-GDP. So, we’re not just past the danger zone (the point where debt exceeds roughly 90% of GDP) — we’re knee-deep in it.
Plus, the U.S. has neither of Japan’s advantages: only part of its debt is funded domestically, and it lacks the same kind of cultural cohesion.
Nearly $8 trillion of the U.S. government’s $38 trillion debt is owed to foreigners who are growing increasingly uneasy about its fiscal trajectory — while the political class shows zero willingness, or courage, to confront the problem.
So if history is any guide, we’re probably not just facing a slowdown — we’re staring down a prolonged era of economic decay unless something breaks first.
Lau Vegys Doug Casey's Crisis Investing & Grey Swan Investment Fraternity Continued Below... P.S. from Addison: When there’s a bull market in stocks, people tend to ignore the real economy and take on debts they’ll have to repay when the market goes south. It is what it is, as our contractor friend Memo likes to say: es lo que es.
Tomorrow, Thursday, October 23 @ 2 p.m. ET, during Grey Swan Live!, we’re going through the Anatomy of a Stock Market Bubble — a frank tour of how bubbles actually end: where leverage hides, how liquidity vanishes, and what signals matter more than headlines.  Friday, October 24 @ 2 p.m. ET (for paid-up annual members): we’ll update our asset allocation & do a quarterly review of the Grey Swan Model Portfolio. We’ll also give you a free look at what we’re calling the Plunge Protection Plan — practical hedges and opportunistic trades to deploy before the crowd jams the exits.
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If you’d like, you can drop your most pressing questions right here: Feedback@GreySwanFraternity.com. We’ll be sure to work them in during the conversation.
How did we get here? Find out in these riveting reads: Demise of the Dollar, Financial Reckoning Day, and Empire of Debt — all three books are now available in their third post-pandemic editions. You might enjoy one or all three.  (Or… simply pre-order Empire of Debt: We Came, We Saw, We Borrowed, now available at Amazon and Barnes & Noble or if you prefer one of these sites: Bookshop.org, Books-A-Million or Target.)
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