The 250-Year Clock: When Empires Die and What Comes Next

Weekly Deep Dive

In 1976, a British military officer named Sir John Glubb published a short paper called “The Fate of Empires.” He had spent his career studying the rise and fall of civilizations, and he found something unsettling: empires die on a remarkably consistent schedule.

Glubb examined 11 empires spanning 3,000 years of history: Assyria, Persia, Greece, Rome, the Arab Empire, the Mameluke Empire, the Ottoman Empire, Spain, Romanov Russia, Britain, and others. Despite vast differences in technology, geography, religion, and culture, most clustered around the same lifespan.

250 years. Ten generations. Then collapse.

The Assyrian Empire lasted 247 years. The Ottoman Empire: 250. The Spanish Empire: 250. The British Empire: 250 (1700-1950). Romanov Russia: 234. The Arab Empire: 246. The pattern was remarkably consistent across cultures separated by thousands of years and thousands of miles.

The United States declared independence in 1776. That puts the 250-year mark at 2026.

But before you tattoo that number on your forearm, the model deserves some honest scrutiny.

The Six Stages

Glubb identified six stages every empire passes through, in the same order, without exception.

The Age of Pioneers (outburst): An energetic, often poor society expands aggressively. Risk-taking is rewarded. Courage matters more than credentials.

The Age of Conquest: The pioneers’ energy translates into territorial and economic expansion. Military dominance is established.

The Age of Commerce: Conquest gives way to trade. The nation becomes wealthy. Merchants replace warriors as the ruling class.

The Age of Affluence: Wealth becomes the primary goal. The gap between rich and poor widens. The middle class begins to hollow out.

The Age of Intellect: Education expands dramatically. Universities multiply. Intellectualism replaces practical knowledge. Debates become increasingly disconnected from material reality.

The Age of Decadence: The final stage. Glubb’s markers are specific: defensiveness and pessimism replace confidence. Materialism dominates culture. Celebrity replaces achievement. The welfare state expands as the government attempts to buy the loyalty of a discontented population. Frivolity, political polarization, and an obsession with internal divisions characterize public life. The military, once a source of pride, becomes something the citizenry avoids.

Glubb was not a pessimist. He saw this cycle as natural, not tragic. Empires, like organisms, have lifespans. Understanding the pattern doesn’t prevent it, but it does allow you to prepare for what comes next.

Where the Model Breaks

The 250-year pattern is striking, but Glubb got there partly by choosing convenient start and end dates. The biggest problem is Rome.

Glubb split Rome into two separate entries: the Roman Republic (260-27 BC, 233 years) and the Roman Empire (27 BC-AD 180, 207 years). Two tidy numbers that both fit the pattern. But look at what he did to get there.

The Roman Republic is traditionally dated from 509 BC, not 260 BC. Glubb lopped off the first 249 years to make it fit. And the Roman Empire didn’t end with Marcus Aurelius in 180 AD. The Western Empire limped on for another 296 years until 476 AD. Glubb cut it off early because the late Empire was messy and long, and messy and long doesn’t fit a theory about clean 250-year cycles.

Worse, his six-stage lifecycle doesn’t survive the split. If the Empire “restarted the clock” in 27 BC, that means Augustan Rome was in the Age of Pioneers: a scrappy, energetic young society expanding aggressively. But Rome in 27 BC was the wealthiest, most sophisticated civilization on Earth, with a professional military, a complex legal system, a Mediterranean trade network, and a population that already demanded bread and circuses. Augustus didn’t pioneer anything. He consolidated power over a late-stage civilization whose republican system had collapsed under its own weight. That’s not a rebirth. That’s a symptom of decay.

Count Rome as one continuous civilization from founding to fall, and you get 985 years. Almost four times the pattern.

None of this means Glubb was wrong about everything. The empires that fit cleanly (Assyria, Ottoman, Spain, Britain, Russia) really do cluster around 250 years, and that’s too consistent to ignore. But the 250-year number is a pattern, not a law of physics. The real question isn’t whether empires die on a schedule. It’s whether the mechanisms Glubb identified (and other scholars refined) are operating in the United States right now.

On that question, the evidence is harder to argue with.

The Predictions Nobody Wanted to Hear

Glubb is far from the only scholar who saw this coming. A convergence of independent researchers, using completely different methodologies, arrived at the same approximate timeline.

Johan Galtung, the Norwegian sociologist who correctly predicted the collapse of the Soviet Union within his 10-year forecast window (the Berlin Wall fell in 1989, right on schedule), applied the same structural-contradiction framework to the United States in the year 2000. His prediction: the US empire would collapse by 2025. Galtung was precise about what he meant: not the end of the United States as a country, but the end of its ability to project unilateral power globally. He identified 15 internal contradictions within the American system and warned that as global power retracted, the instability would reflect inward, potentially threatening the nation’s territorial integrity. In 2016, Galtung warned that Trump would accelerate American decline.

Peter Turchin, a quantitative historian at the University of Connecticut, published a forecast in Nature in 2010. Using cliodynamics, a field that applies mathematical models to historical cycles, he predicted that the 2020s would be the most unstable decade in America since the Civil War era. Turchin identified three structural drivers: elite overproduction (too many people competing for too few positions of power), popular immiseration (declining real wages against rising costs), and state fiscal crisis. He traced a roughly 50-year cycle of instability in American history: the 1870s, 1920s, 1970s, and now the 2020s. Each cycle peak brought political violence, institutional breakdown, or both.

Ray Dalio, the billionaire founder of Bridgewater Associates, developed an 18-indicator framework tracking the rise and fall of empires in his book “Principles for Dealing with the Changing World Order.” The US still scores #1 overall but is declining in nearly every indicator: education quality, economic competitiveness, military dominance relative to rivals, reserve currency share, internal conflict, and wealth inequality. Dalio’s key metric is the dollar’s share of global foreign exchange reserves. In 2001, the dollar held 72% of global reserves. As of the latest IMF data, that figure has fallen to 56.3%, the lowest since 1995. Dalio’s observation, borrowing Hemingway’s line about going bankrupt: empires decline “slowly at first, and then suddenly.”

Joseph Tainter, the anthropologist who wrote “The Collapse of Complex Societies,” argued that civilizations collapse when their investments in complexity (bureaucracy, military, infrastructure, regulation) hit diminishing marginal returns. Each additional dollar of complexity produces less benefit until the population concludes, consciously or not, that simplification is rational. The United States government paid $970 billion in interest on its debt in 2025. The CBO projects that will reach $2.1 trillion by 2036. Interest payments already exceed the defense budget. The government is spending more to service money it already borrowed than to run its military. That is textbook diminishing returns on complexity.

The Numbers Don’t Lie

The raw data is not ambiguous.

The national debt stands at $38.8 trillion and is accelerating, serviced by a Federal Reserve that has no choice but to keep printing because the alternative is default. The government has endured two partial shutdowns in 2026 alone. The fertility rate has fallen to 1.6 births per woman, well below the 2.1 replacement rate, and has been declining since 2007. For the first time since the Great Depression, more people are leaving the United States than entering it. The CBO projects deficits will reach 5.9% of GDP by 2030, a level it calls unsustainable. The post-9/11 wars cost an estimated $8 trillion and achieved none of their stated objectives.

And just a few days ago, the US government launched a war against a nation of 93 million people with over 610,000 active-duty troops and nearly a million including reserves, proxy forces in seven countries, and the strategic backing of both Russia and China. Within hours, Iran had struck US military bases across the Persian Gulf.

Every carrier group in the Gulf is a carrier group not in the Pacific. Every billion spent on cruise missiles is a billion not available for Pacific deterrence. Every sanctions package designed to punish Iran accelerates de-dollarization as nations seek alternatives to a currency that can be weaponized against them.

What You Should Do

The collapse of an empire is not the collapse of civilization. It is the collapse of a specific power structure. The Roman Empire fell, and people kept farming, trading, and building. The Soviet Union dissolved, and 290 million people woke up the next morning and went to work. What collapsed was the system of centralized control, not the society underneath it.

The people who fared best during the Soviet collapse were those who had already built networks outside the state: informal economies, local food production, community resilience, practical skills. The ones who waited for the government to fix itself suffered the most.

The same principle applies now. The parallel structures that liberty-minded people have been building for years, local food networks, alternative currencies, homeschool cooperatives, private membership associations, off-grid energy, community defense, these are not lifestyle choices anymore. They are the survival infrastructure for a transition that is already underway.

Reduce your dependency on federal systems. Every service the government provides is a service it can withdraw, restrict, or weaponize. Healthcare, education, banking, communications: build alternatives or connect with people who are building them.

Develop practical skills. In a declining empire, credentials lose value faster than competence. The person who can grow food, fix an engine, treat an injury, or build a structure will always have something to trade.

Build local. Empires collapse from the center outward. The further you are from the center (geographically, economically, and psychologically), the less the shockwaves affect you. The communities that thrive after imperial collapse are the ones that were already functioning as semi-autonomous units.

Don’t wait. Every model we examined points to the same window: now through the early 2030s. The dollar’s reserve status eroding, the debt spiraling, the military overextended, the political system unable to self-correct. You cannot predict the exact moment the water boils, but every thermometer in the room is rising.

Sources: Sir John Glubb, “The Fate of Empires” (1978), Peter Turchin, Nature (2010), Ray Dalio, “Principles for Dealing with the Changing World Order” (2021), Joseph Tainter, “The Collapse of Complex Societies” (1988), Johan Galtung via Vice (2016), IMF COFER Data, Peter Peterson Foundation, Brown University Costs of War Project