💳 HOUSEHOLD DEBT
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Long-term indicator · Household debt burden

A record pile of debt — carried, for now, on cheap payments.

11.2%
United States · debt service as a share of disposable income
Of every after-tax dollar, about 11 cents goes to required debt payments — below the long-run average of ~12%.
The flow looks calm. The stock does not: total household debt is at a record $18.6 trillion (Q3 2025), with a debt-to-income ratio near 81%. Payments stay light mainly because so many mortgages are locked at low fixed rates. The 2007 lesson: the service ratio peaked at 13.2% just before the crisis — a moderate flow can hide a fragile balance sheet. Source: Federal Reserve (FRED), NY Fed.
Source: Federal Reserve · Household Debt Service Ratio · updated automatically
📊 Verified numbers — Federal Reserve

The burden today, in context

11.2%
Debt service / income · now
~12%
Long-run average
13.2%
2007 peak · pre-crisis
📈 Debt service ratio · 2007 → today

From pre-crisis peak to pandemic trough — and back up

2007
13.2
2019
~9.8
2021
~8.3
2024
11.1
2025
11.3

Federal Reserve Household Debt Service Ratio (TDSP). The 2021 trough reflected pandemic stimulus and forbearance; the climb since is normalization, not yet stress. Healthy band ≈ below 9%; watch above ~12%; the 2007 peak (13.2%) preceded the crash.

📚 Historical cases · antiquity to now

Debt has toppled societies for 2,600 years

🏛️ Antiquity · Greece
🏛️ Athens
594 BC · Solon
So many Athenian farmers had fallen into debt bondage — pledging their land, then their own bodies — that the city stood at the edge of civil war. Solon's seisachtheia ("shaking off of burdens") cancelled the debts and outlawed enslavement for debt. Mechanism: unpayable household debt concentrates land, dispossesses the many, and detonates into revolt. Debt was understood as a load-bearing wall of the social order long before economists modelled it.
🏛️ Antiquity · Rome
🏛️ Rome
5th–4th c. BC · nexum
Debt bondage (nexum) crushing the plebeians was a central grievance of the Conflict of the Orders. Repeated plebeian secessions — the commoners physically walking out of the city — forced debt relief and new legal protections. Mechanism: a creditor class squeezing indebted households provokes withdrawal, then structural political rupture. The Republic rewrote its constitution under the pressure of household debt.
🇺🇸 Contemporary · USA
🇺🇸 The subprime crash
2008
A record build-up of household mortgage debt — much of it adjustable-rate and poorly underwritten — met rising rates and falling prices. Cascading defaults froze the financial system and produced the deepest downturn since the Depression. Mechanism: when the debt stock is large and fragile, a modest shock to the flow detonates the whole balance sheet. The service ratio peaked at 13.2% just before the crash — the flow looked fine until it wasn't.
🧭 The structural reading

Why a calm payment number is not the whole story

01 · SOCIOLOGICAL — the burden is unevenly spread
Averages hide the strain
The aggregate ratio is moderate, but it averages a homeowner with a 3% mortgage against a renter running a credit-card balance. Credit-card and auto-loan delinquencies have been rising, concentrated among younger and lower-income borrowers — the same households with the thinnest savings buffers. Debt stress is distributional before it is aggregate.
02 · GEOPOLITICAL — internal · the balance sheet as a shock amplifier
Light flow, heavy stock
A record $18.6T of debt is serviced cheaply because rates were locked in low. That is a strength — and a dependency. As debt reprices (new mortgages, resetting consumer credit), the service ratio drifts back toward its 12% average and beyond. In 2007 it hit 13.2% right before the crash: the flow looked fine until the stock met a shock.
03 · GEOPOLITICAL — external · leverage narrows the room to maneuver
The consumer is the engine
Consumption is roughly two-thirds of U.S. GDP. Heavily leveraged households absorb shocks less well, so high debt quietly shortens the runway for both the economy and policymakers when a downturn hits — a structural constraint rivals with lower household leverage do not carry to the same degree.
Manageable
for now
Unlike 2007, today's mortgage stock is mostly fixed-rate and far better underwritten, and the current burden sits below its long-run average. This is a watch indicator, not an alarm: the specific risk is the record stock and its exposure to rate normalization — not the payment flow as it stands today.
🧬 Methodology and sources
The reading is the Household Debt Service Ratio — required household debt payments (mortgage + consumer) as a percent of disposable personal income. Source: Federal Reserve Board (FRED series TDSP), refreshed through our automated pipeline. Stress is scaled between 9% (healthy) and 14% (critical), weighted ×0.9. Context figures — total debt $18.6T, DTI ~81%, 2007 peak 13.2%, long-run average ~12% — from the Federal Reserve and the New York Fed Household Debt & Credit report. No invented numbers.