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In 1900, fewer than one person in five on the planet lived under a legal system that meaningfully constrained the arbitrary power of governments, protected property rights, or provided reliable access to impartial courts. Most of humanity lived under imperial rule, colonial administration, or autocracies where law was a tool of the powerful rather than a constraint on it.
Today, more than 60% of the world's population lives in countries with functioning legal institutions, property rights enforcement, and some meaningful constraints on executive power. The percentage of humanity living under full democracy—where elections are competitive, rights are protected, and the rule of law is robust—has grown from near zero in 1900 to approximately 45–50% today. The trend line is not unbroken, and recent years have seen genuine regression in some nations. But the hundred-year arc is unmistakable.
The pessimist argument—that authoritarianism is rising globally, that democracy is in terminal retreat—is reading a short-term fluctuation in the context of a long-term improvement. The data does not support the terminal narrative.
What Rule of Law Actually Means
Rule of law is not the same as democracy. It is narrower and more fundamental: a legal system in which laws apply equally to all persons including those in power, property rights are reliably enforced, contracts can be upheld in impartial courts, and arbitrary detention and expropriation are constrained by legal process.
Rule of law can exist under various political systems—Singapore has strong rule of law without full democracy; many nominally democratic countries have weak rule of law in practice. The distinction matters because rule of law is the precondition for markets. Without reliable contract enforcement and property protection, investment doesn't happen. Without investment, growth doesn't happen. Without growth, the middle class doesn't form. Without a middle class, democratic accountability doesn't consolidate.
The relationship between rule of law and economic development is one of the most robust findings in development economics. Countries that improved their legal institutions over the last century consistently attracted more investment, grew faster, reduced poverty faster, and built more stable political systems. The causal arrow runs in both directions: rule of law enables growth, and growth creates the demand for better rule of law.
The Long Arc
At the beginning of the 20th century, the world's dominant form of governance was empire. The British Empire alone controlled roughly a quarter of the world's land and population. The Russian, Ottoman, Austro-Hungarian, French, and German empires controlled most of the rest. Imperial subjects lived under legal systems that provided different rights based on race, citizenship, and proximity to the metropolitan power. The concept that all persons within a state were equal before the law was aspirational in Western democracies and nonexistent in most of the world.
The decolonization wave of the 1940s through 1970s brought formal sovereignty to dozens of new nations. Many of those nations initially failed to build functioning legal institutions—the transition from colonial administration to self-governance was often violent and chaotic, and newly independent states frequently adopted authoritarian models. The arc did not run straight.
But over subsequent decades, the pattern shifted. Countries that built functioning legal institutions attracted foreign investment. Investment created growth. Growth created a middle class. The middle class demanded accountability. The pattern repeated across East Asia, Latin America, Eastern Europe, and increasingly in parts of Africa and South Asia. Each iteration reinforced the same feedback loop.
The Market Mechanism
The most underappreciated driver of rule of law expansion is market competition between nations. Countries with better legal institutions attract more foreign direct investment, more skilled migration, more technology transfer, and more trade. Countries with weak institutions are penalized by capital outflows and economic underperformance. Over time, these competitive pressures create powerful incentives for legal reform.
The history of East Asian development illustrates the pattern. South Korea, Taiwan, Singapore, and later China all built substantially stronger legal institutions—particularly around property rights, contract enforcement, and commercial dispute resolution—as preconditions for export-led growth. The motivation was not ideological commitment to democracy or rights. It was the practical recognition that international investors required predictable legal environments before they would deploy capital.
Three billion people joined the global middle class over the last 50 years. That expansion was made possible, in substantial part, by the expansion of legal institutions that protected their property, enforced their contracts, and constrained the arbitrary power of governments to seize what they had built. Markets created the middle class. The middle class demanded rule of law. Rule of law enabled more markets. The cycle is self-reinforcing.
The Genuine Regression Problem
The pessimist concern about rising authoritarianism is not baseless. Freedom House's annual democracy report has shown a declining score on average global freedom for approximately 17 consecutive years, driven by regression in several large nations including Hungary, Turkey, Brazil (though Brazil subsequently improved), India, and others. Russia's full authoritarian turn and China's elimination of any meaningful remaining political openness represent genuine setbacks.
These regressions are real. The question is whether they represent a structural reversal of the long-term trend or a cyclical correction within it. The evidence for structural reversal is weak. The countries experiencing regression are largely countries that had weaker democratic institutions to begin with—their regressions are concerning but not surprising given their historical starting points. The countries that built robust rule of law and middle-class majorities have generally maintained them.
The more interesting pattern is in the developing world, where the expansion of mobile money, digital land registries, e-courts, and legal tech platforms is providing the functional benefits of rule of law to populations in countries whose formal legal systems are too slow and corrupt to serve them reliably. Technology is providing workarounds that effectively extend legal protection to populations the formal system excludes.
The Democracy-Rule of Law Relationship
Full electoral democracy—competitive elections, protected civil liberties, civilian control of the military—is the strongest form of rule of law, because it includes accountability mechanisms that constrain not just individual actors but the legal system itself. More people live under democracy today than at any point in human history. That remains true despite recent regressions.
The causal relationship between democracy and prosperity is well-established in the long run, even if the short-run relationship is messy. Countries that sustained democratic governance for multiple decades consistently outperformed comparable autocracies on economic growth, poverty reduction, and human development. The mechanism is accountability: democratic governments face electoral consequences for economic failure in ways that autocracies do not.
The Infrastructure Analogy
Rule of law is best understood as infrastructure—like roads, ports, or electrical grids. It doesn't produce anything directly. It reduces transaction costs and enables everything else to function more efficiently. Countries that build it create conditions where private enterprise can invest, innovate, and grow. Countries that lack it see capital flee, talent emigrate, and growth stagnate.
The 20th century demonstrated what happens to nations that build rule of law: Germany, Japan, South Korea, Taiwan, Singapore, and dozens of others transformed themselves from poverty to prosperity within living memory. The mechanism in each case was the same sequence: legal reform attracted investment, investment created growth, growth created the middle class, the middle class demanded better governance. It is self-reinforcing.
The arc bends toward rule of law for the same reason every market-driven arc bends toward better outcomes: countries that adopt it gain competitive advantages that create pressure on countries that don't. The world is less violent than it has ever been. More of it is governed by competitive elections than at any prior point. The short-term regressions are real. The long-term direction is not in doubt.
Further Reading
- Why Nations Fail: The Origins of Power, Prosperity, and Poverty — Acemoglu & Robinson on inclusive institutions as the engine of prosperity
- The Origins of Political Order — Francis Fukuyama on the development of rule of law through history
- The Spirit of Democratic Capitalism — Michael Novak on the co-evolution of markets and democratic governance
See also: More people live under democracy today than ever before | The long decline of human violence