The General Agreement on Tariffs and Trade and its successor, the WTO, was formed to reduce trade barriers between nations.

The GATT and its successor, the WTO, were established to lower trade barriers

Signed in 1947, the General Agreement on Tariffs and Trade began systematically reducing tariffs and trade barriers among member nations. In 1995, it was replaced by the World Trade Organization, which expanded those rules and established a formal dispute settlement system.

The WTO is the global body that sets and enforces the rules of international trade

Founded in 1995, with 164 member countries, the WTO negotiates trade agreements, resolves disputes between nations, and aims to reduce barriers to international commerce.

The history of the World Trade Organization

This episode of the "Brettonomics with Nancy Jackson" podcast explores the history of the WTO and its predecessor, the GATT, revealing the key people, negotiations, and decisions that shaped today's international trade rules.

See a chart showing how US tariff revenue has grown in recent years.

Listen to a podcast episode that outlines 250 years of world trade history.

China joined the WTO in 2001

After 15 years of negotiation, China joined the WTO as the 143rd member. This move gave it access to the global market in exchange for commitments to economic liberalization, despite skepticism from existing members about integrating a state-controlled economy into a free-market system.

Trade between the US and China has significantly increased in recent decades.

Track how American tariffs have impacted different countries and industries.

Tariffs once fueled the US economy, historically serving as a primary source of revenue and a means to protect domestic industries.

Trump's 2025 tariffs represent a significant break from the rules-based trade order

The Trump administration imposed broad tariffs on other countries outside WTO rules in 2025, claiming that those countries had long violated trade agreements and that the US was simply leveling the playing field.

A trade war is an economic conflict where nations impose tariffs or other trade barriers on each other in retaliation for similar actions.

China's WTO membership produced significant disputes

Two decades after China joined, its trade practices—such as state subsidies, intellectual property disputes, and market access restrictions—have sparked accusations that it has not fully met WTO commitments of free and open trade.

Ranking the world’s economies: 1980 vs. 2025

The US remains the world’s largest economy, having increased its annual gross domestic product from $2.9T in 1980 to $30.6T in 2025. In 1980, China ranked seventh globally with a GDP of $304B. In 2025, China ranked second with a GDP of $19.4T.

The history of tariffs stretches back to ancient Rome and Greece, where taxes were levied on imported grain and textiles to control trade.

Auto and consumer goods companies absorbed billions in costs due to President Trump's 2025 tariffs.

It's tough to measure just how much the global commodities market is worth

That's partly because of all the different ways and places commodities are traded—such as futures exchanges, spot markets, and over-the-counter deals. Additionally, the same commodity can be traded multiple times in different markets, making it easy to risk duplicating trade values in calculations.

The overall economic effect of President Trump's 2025 tariffs remains unclear

Researchers from UCLA and Yale found that tariff revenue and gains to US producers largely offset importers' costs—but the broader picture is murkier, as the trade deficit rose, manufacturing jobs declined, and 90% of tariff costs were passed through to importers rather than absorbed by foreign exporters.

The world's maritime traffic in real-time

More than 50,000 ships are sailing the high seas on any given day, representing the highest volume pathway for international trade. This real-time traffic provides a visual impression of the scale of ocean-bound commerce.

Behind the scenes on tariff politics

Economist Gene Grossman joined the Trade Talks Podcast to discuss why tariffs really happen. The episode digs into how voters, politicians, lobbyists, and even campaign cash can affect when protectionist trade policies are put forward. Produced in 2019, the podcast also discusses how populist trade policies and identity politics accounted for Donald Trump’s victory in the 2016 Presidential election.

The Smoot-Hawley Tariff Act—which was passed during the Great Depression with the goal of reviving domestic industry—is among the most famous pieces of economic legislation in US history.

Policymakers make complex trade-offs when considering tariffs—while they can generate government revenue and encourage the consumption of locally produced goods, they can also lead to higher consumer prices and may negatively impact economic growth.

Asia-Pacific's share of global venture capital investment has jumped from 3% to 28% in 20 years

China has driven much of that growth due to its manufacturing power and tech sector. This graphic shows how the share of total venture capital deal value changed around the world between 1997 and 2023.

A map of global drug trafficking

The worldwide illegal drug trade continues to flourish. Accounting for almost 1% of the world’s financial revenue, the cocaine trade alone boasts an annual turnover of an estimated $85 billion. This infographic, from Around the World: An Atlas for...

The global economy runs on US dollars, with nearly 90% of international trade in 2019 being processed in US dollars.

The Bretton Woods conference in 1944 created the foundations of the modern global economy

In July 1944, 44 nations gathered in Bretton Woods, New Hampshire, to create a new postwar economic order. The conference led to the creation of the IMF and the International Bank for Reconstruction and Development—now known as the World Bank.

A list of the world's top 25 economies by GDP

Gross domestic product estimates the value of goods and services produced in a country, typically through the expenditure method, which adds up spending by consumers, investors and governments with the value of exports. The top five economies are the US, China, Germany, Japan and India.

How do tariffs work?

This brief animated video from Time walks through a simple example of a tariff on a single good, illustrating how this would affect the market for the good—both domestically and abroad—and who would eventually bear the cost of the tariff.

The US apparel and textile industry was long set up to limit competition from nations in the developing world—but shifts in international trade regulation in the 1990s changed that, paving the way for the fast fashion industry to develop.

President Trump's 2025 Tariffs added less inflationary pressure to the economy than expected in their first year

A year after the so-called "Liberation Day" in April 2025, tariffs have had a milder effect on inflation than feared—core goods prices have added only about 0.2% to the headline Consumer Price Index—but persistent policy uncertainty has rattled small business owners, who say the constant back-and-forth makes long-term planning difficult.

Tariffs are typically paid by the importing company or organization to the US Treasury.

The G20 emerged from the 1997 Asian financial crisis as a forum for managing the global economy

Established in 1999 and elevated to a leaders' summit during the 2008 financial crisis, the G20 now unites the world's largest economies to address issues that the Bretton Woods institutions were not designed to manage.

See the world’s largest stock markets in 1900 versus 2023

The US is now home to the world's largest stock market, but that wasn't always the case. This data visualization shows where the largest stock markets in the world were in 1900, then compares that map to the current geographical distribution of stock markets today, based on each country’s percentage share of global market capitalization. See what it looks like by clicking here.

Global life expectancy has more than doubled since the 1850s

The human species experienced a dramatic increase in expected lifespan over the past 150 years. Antibiotics, improved sanitation, and better worldwide food distribution are a few factors contributing to this rapid transformation. Use this interactive resource to explore longevity gains over time and compare these improvements across the globe.

Commodity traders are the most powerful people you've never heard of

Just beneath the surface of the global economy is a hidden layer of dealmakers for whom war, chaos, and sanctions can be a great business opportunity—they're called commodity traders. Their power partly stems from the fact that commodities are essentially the building blocks of the economy at large.

Vizualize global debt by country

Global debt reached $226T by the end of 2020—the biggest one-year jump since World War II. This graphic compares the debt-to-GDP ratio of various countries.