Mapping the world's 25 largest stock exchanges

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.

The Nasdaq is typically the world's second-largest stock exchange when measured by the total market value of the companies listed on the exchange

However, the Nasdaq sometimes surpasses the NYSE in terms of the total market cap of all the companies listed on each exchange. For instance, as of late April 2026, the Nasdaq's roughly 4,000 listed companies had a total market cap of about $44T, while the NYSE's roughly 2,300 companies' total market cap was around $38T.

Visualizing the world's $261T in investable assets

Nearly half of the world's portfolio of stocks and bonds originate in the US. Roughly 1% of all investable assets are in the form of cryptocurrency.

The world's largest stablecoins by market cap

The largest stablecoin by market cap, Tether (USDT), as well as the second largest, USDC, are both pegged to the US dollar. As of April 2026, Tether had a roughly $184B market cap.

American billionaires' wealth, visualized

America's top 20 billionaires have a combined wealth of $2.7T as of 2024. That's more than Russia's annual GDP. But some billionaires, like Elon Musk, hold a greater share of that $2.7T number than others. To see just how much money each of these 20 billionaires have in comparison to the others in the group, check out this data visualization.

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.

The Vanguard Total Stock Market Index, was worth roughly $1.47T as of February 2024

That fund (and the other seven largest mutual funds by assets) is an index fund, meaning it invests in a specific set of preset securities.

The global defense industry in one chart

The world's most valuable defense companies (for example, Lockheed Martin) make up much of the global defense industry. As of 2025, RTX led the pack with a roughly $183B market cap.

Want to begin trading in cryptocurrency? Check out these exchanges

Explore the current cryptocurrency market. CoinMarketCap tracks 242 spot exchanges where various cryptocurrencies are traded. Newbie and experienced traders will find timely exchange ranks and scores charted according to traffic, liquidity, and trading volumes. CoinMarketCap promises legitimacy in all trading volumes reported.

A history of stock exchanges, from Venitain merchants to modern day

While the idea of stock exchanges—markets where securities can be bought and sold—is mostly synonymous with Wall Street, the New York Stock Exchange, and other modern markets, places to buy and sell financial instruments have a long history....

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 majority of the world's sovereign wealth funds are controlled by nations in Asia and the Middle East

Norway operates the world's single largest sovereign wealth fund, but Asian and Middle Eastern countries operate the rest of the top 10 largest SWFs. The Middle East alone accounts for more than $5T of the world's entire sovereign wealth.

Mapping the world's cell towers

Millions of cell towers around the world help connect the world's 8 billion people via cell phones and the Internet. But access to such coverage, while still expanding, is not equal. This data visualization depicts the world's many cell connections across a global map, revealing cell use hot spots and the world's many gaps in coverage.

The Dow now tracks 30 major US companies across various industries

Since 1928, the DJIA has included 30 firms. Today's group spans technology, healthcare, and finance—with Apple, Microsoft, JPMorgan Chase, Pfizer, and Coca-Cola among its most recognized components.

While the first exchange-traded fund (a 'basket' of different assets that can be bought and sold on a stock exchange) in the US only launched in 1993, the global ETF market has grown to more than $10T in the short time since.

Monaco is the world's most expensive real estate market

New York City was the world's second-most expensive real estate market, and Hong Kong was the third. A visual ranks the top 20 most expensive real estate markets in the world at the time.

The Nasdaq's 'Magnificent 7' companies are responsible for roughly 40% of the Nasdaq 100 index's gains, while the remaining 93 companies account for the other 60%.

40 key stock market terms, explained

Liquidity. Forex. Capitalization. Blue chip stocks. These are just a few pieces of stock market vocabulary most people who don't spend all day on a trading floor might not know. Thankfully, we found a fun infographic that makes it easier to learn what 40 key stock market terms mean and why each of them matters.

Map of each state's largest tax revenue source

While America’s federal government primarily raises revenue through personal and corporate income taxes, it's a different story for each of the 50 states. This map shows how every state raises tax revenue for government activities. New York and California, for instance, raise most of that money through personal income taxes, whereas Texas and Florida have sales tax as their largest sources of tax revenue. Click here to see the map.

The top 100 companies in Silicon Valley

Silicon Valley has pumped out some of the biggest companies in the world, including Apple, Meta, and Google. Thousands of companies operate in the area, ranging from valuations in the trillions to startups only worth thousands.

The US tips more service providers and leaves larger amounts than anywhere else globally

This map shows how other countries stack up to the US in terms of tipping norms, and could be helpful if you’re planning to budget for a trip abroad. It also indicates if tips are typically included in the bill in each country.

The US dollar is the most widely circulated currency in the world, and is involved in nearly 90% of global transactions

League tables show the number of deals top investment banks do in a time period

These tables provide a visual to help keep track of the leading companies in investment banking. Companies such as JPMorgan and Goldman Sachs typically sit up top.

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.

View the most turbulent flight routes and airports around the world

Using data from NOAA and the UK Met Office, these maps identify South America as the geographic region with the highest average turbulence. The most turbulent flights in North America are all found in the western United States.

American Express is one of the top-ranked places to work in the US

In 2026, American Express came in eighth place in Forbes' annual ranking of the best large workplaces (meaning workplaces with more than 5,000 employees). It's the top-ranked finance company on the list. The rankings were determined by survey data that asked employees to anonymously rate the salary, opportunity for advancement, benefits, and workplace at their company.

Mapping NATO's 32 countries across North America and Europe

See an updated map with the option to learn more about each country's membership and role in the alliance. The map shows the borders of its member countries with extra filters capable of locating its many civilian structures, nonmember partners, positions of missile sites, and more.

See the increase in financial crimes globally on a map

The Global Organized Crime Index tracks annual shifts in organized crime, ranging from drug and human trafficking to financial crimes. The map shows crime levels for each country, as well as a profile of the country's annual shifts.

Explore an interactive map built from more than 100,000 survey responses on where people find joy in their lives

Roughly 43 million US borrowers owe roughly $1.7T in student debt, the second-largest source of consumer debt behind mortgages.

Explore an interactive map of battles from the American Revolution, along with detailed summaries of each engagement

See a 3D reconstruction of Tenochtitlan, the Aztec capital that was home to an estimated population of 200,000 to 400,000.

The United States is one of only around two dozen countries with a fully federal system of government, in which power is divided between national and state governments.

Calculate how much of your tax dollars go to each federal program based on your income, filing status, and number of children

SpaceX's S-1 or 'prospectus' revealed many previously unknown details about the company, including its unprofitability despite doing $18.7B in revenue in 2025, exactly how many voting shares Elon Musk will have in the company (roughly 85%), and more.

Art theft is the third-largest source of criminal revenues worldwide, thanks in part to the subjective nature of valuing a work of art.

Track the location of the Voyager probes, currently between 13 and 15 billion miles away from Earth.

44% of Americans say they pray at least once a day—discover how your state's religiosity stacks up against the rest of the country.

Electrical grids worldwide must double their power delivery capacity by 2050 to meet surging demand from AI and electric vehicles.

See how each of the more than two million known species relates to each other—and to common ancestors—in this zoomable tree of life.

See the 25 of the best photos of auroras from around the world.

This real-time tracking of the hantavirus cruise ship outbreak in May 2026 offers a unique glimpse into the global reach of the outbreak and whether the virus sickened passengers and their communities around the world.

Warren Buffett's former professor Benjamin Graham is known as the 'father of value investing,' a strategy in which investors seek to buy stocks trading below their intrinsic worth.

Most of the observable universe's volume consists of voids and supervoids—enormous regions of space with little to no galaxies, stars, or light.

View the ten deadliest tornadoes in US history.

Memecoins are a type of cryptocurrency—a form of digital currency with a wide variety of uses—created around popular 'memes,' or viral internet jokes.

Explore a list of the 100 best novels of all time, compiled by some of the world's best living writers, including Salman Rushdie, Stephen King, and Jennifer Egan.

The 1987 Nintendo video game 'Stadium Events' isn't known for being particularly fun, but its scarcity has made it a highly sought-after item that has sold for up to $35K at auction.

Alzheimer's can lead to brain shrinkage, with an average of around 2% of volume reduction per year

Watch how deep-sea mining equipment collects and processes polymetallic nodules—metal-rich, potato-shaped rocks—from the ocean floor and creates environmentally damaging plumes of sediments.