See a visual of the largest airlines in the US by market share

Find out how airline mergers created some of today's largest airlines

Four airlines dominate the US commercial airline industry: Delta, United, Southwest, and American. Many of these large companies secured their top spots in the industry via a series of mergers and acquisitions starting in the 1970s, when American acquired Trans Caribbean Airlines.

Visa, the first credit card network, still dominates competitors with a roughly 52% market share by purchase volume.

Among the major credit card companies in the US, Mastercard had about 25% of the market share in 2025. American Express had roughly 20%, and Discover had the smallest market share of about 4%.

Modern examples of oligopolies include the airline industry

An oligopoly is a market structure dominated by a few key suppliers. In the US, as of 2021, just four airlines (Delta, United, Southwest, and American) controlled nearly two-thirds of all domestic flights, making the US airline industry one example of an oligopoly.

Airlines made an average of $13 per passenger as of 2025

Some airlines, like American Airlines (which started the first airline loyalty program), have loyalty programs with higher valuations than the airline itself. The confusing business model of the modern commercial airline industry, including said loyalty programs, began after the 1978 Airline Deregulation Act in the US, which removed federal control over airline fares, routes, and market entry.

Coca-Cola made up roughly 19.2% of US carbonated soft drink market share as of 2023

Separately, Diet Coke made up about 7.8% of US market share that year. Pepsi was responsible for 8.3% of market share, as was Dr. Pepper.

Southwest Airlines was profitable for nearly 5 decades

Business History hosts Jacob Goldstein and Robert Smith explore how a carrier with just four airplanes shuttling across Texas revolutionized flying by offering free whiskey, cheap late-night tickets, and free-for-all seating allocation, despite how hard it is to make money running an airline. However, the success story didn't last forever.

The top three US dating apps by market share are Tinder, Bumble, and Hinge

While Tinder took up about 25% of US dating app market share as of 2024, Bumble wasn't far behind at 24%. Up-and-comer Hinge sat in third place with 18% of US market share.

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 wealthiest Americans own the vast majority of the stock market

Recent data from the Federal Reserve shows that the richest people in America own 93% of all the country's stock—the highest level ever recorded. Meanwhile, the bottom 50% of Americans held just 1% of all stocks.

Budget airline Spirit announced its shutdown on May 2, 2026

After filing for bankruptcy twice, there were a multitude of reasons for the airline's shutdown, including an increase in jet fuel prices due to the conflict in Iran in the first half of 2026.

Facebook dominated US social ad spend in the first half of 2024

This data visualization shows the social media platforms where advertisers spent the most money in the first six months of 2024, with Facebook leading the pack taking home 36.3% of US social ad spend.

The share of the immigrant population in the US peaked at nearly 16% in January 2025

In January 2025, the US reached a historic high of 53.3 million immigrants—nearly 16% of the population. By June of that year, the number had fallen by more than a million, ending 50 years of continuous growth in the immigrant population.

Visualize the balance sheets of US banks

The US banking industry is the most profitable in the world, with loans and leases driving the lion’s share of those profits. In fact, at the end of 2022, 53% of all bank assets fell into the loan and lease category. This rich visualization makes sense of that and highlights how traditional banks operate in stark contrast from their not-for-profit credit union peers. See it here.

American beer, by the numbers

This statistics-focused resource breaks down the shape of the beer industry in the US, outlining the amount of beer produced by American breweries, the state cranking out the most beer, and the states with the most breweries per capita.

Tequila overtook whiskey as a top US spirits subcategory in 2023

Tequila sales in the US totaled $6.5B in 2023, surpassing whiskey's $5.3B. The shift was partially driven by premiumization, with the majority of supplier revenues coming from premium and super-premium tiers and brands.

Many of the top companies in the US by market cap began as tech startups

Combined, the top seven companies by market cap in the US as of December 2024—Apple, Nvidia, Microsoft, Alphabet, Amazon, Meta, and Tesla—were worth more than $16T at the time.

The US air traffic control system is safe but due for major technological updates

On any given day, over 3 million passengers fly on roughly 45,000 flights in the US. Flying today is safer than ever, but air traffic controllers deal with outdated technology that can interfere with pilot communication.

As of 2025, the US and Qatar dominate global helium production

The US's 42.6% share includes helium imported from Canada and refined within the states. Geopolitical conflicts can cause supply disruptions that impact several advanced technologies, including semiconductor manufacturing, aerospace systems, and medical imaging.

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.

Data indicates a strong concentration of religious people live in the American South

The Northeast and West Coast tend to be less religious. Mississippi is the most religious state, with 50% of adults classified as highly religious. Vermont is the least religious at 13%.

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.

Explore a timeline of advancements in American aviation

From the Wright brothers' flight of the first powered plane in 1903 near Kitty Hawk, North Carolina, to SpaceX's debut of the Falcon 9 rocket in 2010 with reusable boosters, this interactive shows off the technological evolution of flight, from mechanical propulsion to ballistic spaceflight. (Some users may experience a paywall.)

Angel investors funded startups with nearly $28B in 2024

Statistics about the angel investing market show that billions are spent funding early-stage startups each year. Companies with more angel interest had higher success rates.

Over 35% of remote-capable US workers worked from home 'all the time' in 2023

With more than 1.3 million remote workers, the New York City metropolitan area had more remote workers than any of the top 30 metro areas in the US at the time. However, the Austin, Texas, metro area had the largest share of remote workers, with more than 23% of the city's workforce working remotely.

The North American waste management market was worth $208B in 2019

Burning waste to generate energy is a $10B industry in the US alone. A growing number of major companies—including Amazon, Subaru, and American Airlines—are pursuing "zero landfill" sustainability goals.

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.

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

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

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.

Dozens of S&P 500 stocks, including Coca-Cola and Walmart—known as the dividend aristocrats—have increased dividends every year for 25 years

The USPS spent $3.97B in 2024, accounting for .058% of the federal budget.

View the ten deadliest tornadoes in US history.

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.

Fast-casual restaurant Chili's is experiencing a resurgence, with its parent company recently reporting a nearly 32% increase in sales, thanks to passionate Gen Z fans on TikTok.

The American Society of Civil Engineers' infrastructure report card gave the US a C in 2025, its highest grade since the project launched in 1998.

In 2025, four executives from large tech companies were given positions in the US Army Reserves—including Palantir Chief Technology Officer Shyam Sankar, which reinforced Palantir's ties with the US military and its role as a leading defense partner.

Louisiana's 'Cancer Alley' is infamous for having some of the highest industrial pollution, toxic air emissions, and cancer risks in the US.

See how Ebola tore through Guinea, Sierra Leone, and Liberia in 2014-2016.

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

Power lines are dotted with large, brightly colored balls to improve the visibility of these thin wires to helicopters and small planes and help prevent potential crashes.

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

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

Animal phobias are likely the most common type of phobias, followed by an extreme fear of heights.

Exploring the Larry Bird punch that almost changed March Madness

A 2019 Facebook event called on attendees to "Storm Area 51, They Can't Stop All of Us," resulting in countless memes, the creation of a music festival, and eventually the arrests of those who did try to approach the area.

Browse a detailed visual analysis of over 200,000 similes—comparisons that often use 'like' or 'as'—from popular fiction to see how frequently writers the same idiomatic expressions.

Watch contemporary footage covering the US-backed Shah of Iran fleeing the country in the face of the 1979 Iranian Revolution

Budweiser stores yeast derived from the original 1800s strain in a secret bunker, which only the Head of Yeast Management can access—not even the CEO

Before humans, the Soviet Union and the United States sent animals—including apes, dogs, and cats—to space during the Space Race.

The word 'jazz' evolved from 'jasm,' 19th-century American slang for 'energy'