The hundredfold economy

Overview

In 1820, global economic output stood at roughly $1.2 trillion in today's dollars. By 2025, it exceeded $120 trillion—a hundredfold expansion. For the 1,800 years before 1820, total world output had grown perhaps sixfold. The past two centuries compressed more material transformation than the previous eighteen. Yet as 2026 unfolds, major economic institutions warn this growth is slowing: the 2020s are on track to be the weakest decade for global expansion since the 1960s.

Britain pulled ahead first, then Western Europe and North America, creating a 'Great Divergence' from Asia that peaked around 1950. Since then, convergence has begun: China's share of global GDP climbed from under 5% in 1980 to over 18% today, while extreme poverty has fallen from 76% of humanity to roughly 10%.

But convergence patterns are now fragmenting. India maintains 6.2% growth while advanced economies slow to 1.8%, and geoeconomic tensions threaten to reverse progress in the world's poorest regions.

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Key Indicators

100x

Global GDP growth since 1820

World economic output expanded from ~$1.2 trillion (2021 dollars) to over $120 trillion

World population growth

From approximately 1 billion in 1820 to over 8 billion today

831M

People in extreme poverty

Down from 2.3 billion in 1990, representing roughly 10% of global population

12x

GDP per capita increase

Average global income per person rose roughly twelvefold in two centuries

Voices

Curated perspectives — historical figures and your fellow readers.

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Timeline Five events from this story — drag them oldest to newest. Log in to play

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People Involved

Angus Maddison

Deceased (1926-2010)

Kenneth Pomeranz

Professor at University of Chicago

Organizations Involved

Maddison Project

Academic Research Initiative

Maintains authoritative historical GDP database

Collaborative effort by economists to maintain, update, and extend Angus Maddison's historical GDP datasets.

World Bank Group

Multilateral development bank

Primary source for contemporary GDP and poverty data

International development institution that publishes authoritative global economic statistics and poverty measurements.

Timeline

January 1760 January 2026

15 events Latest: January 22nd, 2026 · 4 months ago Showing 8 of 15

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January 2026
Global Economy Passes 100x 1820 Levels
Latest Milestone

World GDP exceeds $120 trillion (2021 dollars), more than one hundred times the approximately $1.2 trillion output in 1820. Population has grown eightfold; output per person roughly twelvefold.
January 22nd, 2026
IMF Projects Global Growth Steady at 3.3%
Economic Forecast

IMF's January World Economic Outlook projects global growth at 3.3% for 2026, revised slightly up from October 2025. Technology investment and AI offset trade policy headwinds, but advanced economies slow to 1.8% while emerging markets maintain stronger momentum.
January 19th, 2026
World Bank Warns 2020s May Be Weakest Growth Decade Since 1960s
Economic Forecast

World Bank's Global Economic Prospects projects growth easing to 2.6% in 2026 before rising to 2.7% in 2027. Report warns that if forecasts hold, the 2020s will be the weakest decade for global growth in over 60 years, despite 'notable resilience' in developed economies.
January 13th, 2026
January 2020
COVID-19 Disrupts Global Convergence
Crisis

Pandemic adds 50 million to extreme poverty count—first substantial increase in a generation. Developing economies hit harder than advanced ones.
January 1st, 2020
January 2014
Global Extreme Poverty Falls Below 11%
Milestone

World Bank data shows extreme poverty rate at 11.2%, down from 37.8% in 1990. Over 1 billion people lifted above poverty line in 24 years.
January 1st, 2014
December 2001
China Joins WTO
Policy

China's accession to World Trade Organization integrates world's most populous country into global trading system, accelerating manufacturing shift to Asia.
December 11th, 2001
January 1990
Post-Cold War Globalization Accelerates
Economic Shift

Fall of Iron Curtain opens new markets. Global poverty rate: 37.8%. Over the next 25 years, 1 billion people will exit extreme poverty.
January 1st, 1990
December 1978
China Begins Market Reforms
Policy

Deng Xiaoping initiates 'Reform and Opening Up.' China's share of global GDP will rise from under 2% to over 18% in four decades.
December 1st, 1978
January 1960
East Asian Tigers Begin Rapid Industrialization
Economic Shift

South Korea, Taiwan, Hong Kong, and Singapore launch export-oriented development strategies. Each will achieve 7%+ annual growth for three decades.
January 1st, 1960
April 1948
Marshall Plan Signed
Policy

US commits $13.3 billion to European reconstruction. European industrial production rises 35% by 1952—the fastest growth period in European history.
April 3rd, 1948
January 1913
First Wave of Globalization Peaks
Milestone

Trade reaches 14% of global GDP, up from 6% in the early 19th century. Era ends with World War I.
January 1st, 1913
January 1870
Second Industrial Revolution Begins
Economic Shift

Electrical power, steel production, and chemical manufacturing drive new growth wave. Global GDP roughly quadruples from 1820 levels.
January 1st, 1870
January 1840
Industrialization Spreads to Continental Europe and US
Economic Shift

Britain's industrial techniques diffuse to Belgium, France, Germany, and the northeastern United States. Railroad construction accelerates.
January 1st, 1840
January 1820
Baseline Year for Modern Economic Measurement
Data Milestone

Maddison Project uses 1820 as standard starting point for reliable global GDP comparisons. World output: approximately $1.2 trillion (2021 dollars). Population: roughly 1 billion.
January 1st, 1820
January 1760
Industrial Revolution Begins in Britain
Economic Shift

Cotton mills, steam engines, and iron production transform British manufacturing. The transition from hand production to machines marks the start of modern economic growth.
January 1st, 1760

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Historical Context

3 moments from history that rhyme with this story — and how they unfolded.

1750-1950

The Great Divergence (1750-1950)

In 1750, China and India together produced roughly half of world output, and living standards in their prosperous regions roughly matched England's. By 1950, Western Europe and North America commanded the majority of global GDP, while China's share had fallen from 33% to under 5%. This 200-year separation of economic trajectories represents the largest divergence in human history.

Then

Europe and its offshoots (US, Canada, Australia) achieved industrial economies and rising living standards while Asia's relative position declined.

Now

The gap peaked around 1950 at roughly 20:1 in GDP per capita between the richest and poorest regions. Convergence began thereafter, accelerating after 1980.

Why this matters now

Today's hundredfold expansion is inseparable from the Great Divergence. Most growth occurred in a subset of countries first, then diffused—a pattern now repeating as China and India close the gap.

April 1948 - December 1952

Marshall Plan Recovery (1948-1952)

The United States transferred $13.3 billion (roughly $170 billion in 2024 dollars) to 17 Western European countries devastated by World War II. Economist Bradford DeLong called it 'history's most successful structural adjustment program.' By 1952, every recipient had surpassed pre-war output levels.

Then

European industrial production rose 35% in four years—the fastest growth in European history to that point.

Now

The Marshall Plan catalyzed European integration, leading to the European Coal and Steel Community and eventually the EU. It demonstrated that coordinated investment could accelerate growth dramatically.

Why this matters now

The Marshall Plan showed that targeted investment and institutional reform can compress decades of growth into years—a model later emulated by East Asian development strategies.

1960-1997

The East Asian Miracle (1960-1997)

South Korea, Taiwan, Singapore, and Hong Kong—all poor and war-damaged in 1960—achieved sustained 7%+ annual growth for three decades. South Korea's GDP per capita rose from roughly $1,000 in 1960 to over $12,000 by 1997. Each country combined export-oriented manufacturing, heavy education investment, and active industrial policy.

Then

The Four Tigers became high-income economies within a generation, contradicting theories that poor countries remained trapped.

Now

Their model influenced China's development strategy and established East Asia as a global manufacturing center. The 1997 financial crisis exposed vulnerabilities but did not reverse the transformation.

Why this matters now

The East Asian Miracle proved that rapid convergence was possible—that poor countries could achieve rich-country living standards within decades, not centuries. This precedent shapes current expectations for India, Vietnam, and others.