With roots stretching back to the 18th century, unions have long been at the center of change in labor rights.

Unions are organizations workers form to improve aspects of their working conditions

While there are many different types of labor unions, they are, generally speaking, organizations workers form to improve aspects of their working conditions, such as vacation time or discipline processes.

A list of US labor unions

Maybe you’ve heard of the Teamsters, the trucking union that's among the most well-known labor unions in the US. But you might not have heard of the National Association of Letter Carriers. As it turns out, there can be a union for almost every profession, no matter how niche.

Do unions still work?

Workers everywhere from Starbucks to Uber have made headlines about unionizing—and some union experts argue that despite union membership being lower than it was in eras past, unions could still help the economy.

Pros and cons of unions

While unions require fees and can make promoting high-performing workers and letting go of lower-performing ones more difficult in some workplaces, they have their positive aspects too. Labor unions tend to increase pay and benefits for employees, for instance.

The first recorded worker strike in the United States happened in 1768

That year, journeymen tailors went on strike to protest a wage reduction. By 1794, cobblers in Philadelphia formed the nation’s first trade union, the Federal Society of Journeymen Cordwainers. But that’s just the beginning of labor union history in the US.

Map of union membership by state

In the United States, unions exist across the entire country, but some states have more union members than others. Multiple reasons exist: from policy differences across states, to industrial and cultural influences. Want to learn more? Find out which state has the highest percentage of union membership, and which one has the lowest, through this map.

How starting a union works

Starting a union within a workplace is a long, complicated process. There are many steps to take depending on how management reacts to each decision workers make during the proceedings. If you’re interested in helping your workplace unionize—or curious about what the journey to unionization looks like—this video can help.

The National Labor Relations Act gave workers the right to unionize in the US

Hear an interview with Harvard Law School employee and labor law expert Sharon Block about how the parallel motivations of workers, employers, and government officials led to the creation of the National Labor Relations Act.

Timeline of women in labor history

In 1866, newly freed black women working as laundresses in Jackson, Mississippi, formed a union and went on strike for higher wages. But it wasn't until 1974, that the Coalition of Labor Union Women was founded as America's only national organization for union women. Want to find out more about the history of women in the labor movement? Click here for the full timeline.

The US jobs with the highest union membership rates

The transport and construction industries, as you might have guessed, have particularly high rates of union membership. But do you know the broadcasting industry’s union participation rate, at roughly 10%, isn’t far behind? This visual depicts the US industries with the highest rates of union membership in the country.

6 union history facts

Founded in 1794, the Federal Society of Journeymen Cordwainers (who were leather workers and cobblers) is considered to be the first union in the United States.

Union membership was 9.9% in 2024, the lowest in nearly 40 years

In 1983, for comparison, 20.1% of the US workforce was unionized, or 17.7 million people.

Supervisors can’t join unions

Some union critics argue labor unions create unease between workers and their supervisors—partly because those supervisors are prohibited from joining unions. The National Labor Relations Act created that distinction between workers and their managers due to potential supervisor bias (think: pressure from company shareholders to vote differently in union elections).

Amazon has historically opposed efforts among its employees to unionize

Amazon has done everything from creating mandatory anti-union meetings to hiring union-busting consultants, and even engaging in employee surveillance. Such efforts have proven to be a lightning rod for pro-labor groups.

Historians reflect on the best State of the Unions ever

These political experts highlight standout State of the Union addresses that shaped the nation's direction—from Washington's first and Lincoln's Civil War messages to FDR's wartime resolve, LBJ's Great Society launch, and Clinton's scandal-shadowed 1998 speech.

With the help of one photographer who took photos of children at work, child labor in the US was eventually restricted by law in the mid-1900s.

The Fair Labor Standards Act, a 1938 law guaranteeing time off for full-time employees, led to the modern vacation.

Journalists are increasingly unionizing

The LA Times was a famously anti-union paper—until its owner sought to cut costs by consolidating positions across its portfolio. This paper isn’t alone. Over the past few years, as the news business struggled, many publications kicked their unionizing efforts up a notch.

Oregon was the first state to recognize Labor Day

In 1887, Oregon became the first of the 50 states to recognize Labor Day as an official holiday. By June 1894, President Grover Cleveland signed a bill making it a holiday for federal workers. Today, we mostly know Labor Day as summer’s last gasp, but its origin is more nuanced.

The Fair Labor Standards Act regulated child labor and introduced many protections

Child labor was widespread until the formation of the National Child Labor Committee, which hired photographer Lewis Hine to document conditions. His images spurred reform efforts like the Keating-Owen Act in 1916, which was overturned by the Supreme Court. Progress came in 1938 with the Fair Labor Standards Act.

27 states have right-to-work laws

That means employees in those states can choose whether or not to join a union at their workplace. Right-to-work laws also make it optional for employees in unionized workplaces to pay fees associated with union membership.

130,000 working musicians once went on strike

The early days of the record industry looked much different than they do now. There were few national record labels and there were organized musicians who viewed themselves more as day laborers rather than artists. That allowed for an organized strike by the American Federation of Musicians.

Europeans, on average, have roughly double the amount of vacation time as Americans, thanks to a long-standing belief that leisure benefits society.

The economic impact of the Hollywood strikes

The 2023 strikes in Hollywood resulted in significant wins for the WGA, DGA, and SAG-AFTRA unions. Workers were promised to receive bonuses that allowed them to benefit from high-performing streaming shows and films. This article shares how the rewards have been distributed to union members since their implementation. See a breakdown of the bonuses for each union, how the industry has improved, and the challenges some members still face.

In 1975, a Major League Baseball clause that kept players legally tied to their teams after retirement was dismantled, creating the modern concept of free agency.

The steps to the railroad industry's bargaining process

It often takes years for management and labor to come to terms for each five-year agreement. Learn how collective bargaining works for this highly-regulated industry.

250 years of world trade history

Adam Smith's revolutionary ideas about free trade were often ignored throughout American history to protect domestic industry—until World War II caused a shift in sentiment about global trade.

The National Mediation Board handles labor relations for the airline and railroad industries

Established in 1934, this independent federal agency mediates disputes between airline and railroad carriers and their unions, conducts union representation elections, and helps with disagreements over existing contracts with the goal of keeping work in these industries moving ahead.

Should companies be owned by their workers?

In the last half-century, so-called private equity has transformed industries by purchasing private companies, cutting costs, loading up debt, and then selling the business at a premium—all at a huge profit to the investors. Workers, on the other hand, are often left with nothing. Listen to how both pro-worker economists and a private equity stalwart are trying to shift ownership to workers—a growing tactic proven to improve worker satisfaction and company value.

Despite being completely legal to discuss salaries with your coworkers, the practice largely remains taboo in the US, particularly amongst older workers.

Pay transparency—once considered taboo—is gaining momentum. Despite being legally protected since 1935, open salary discussions have only recently become more common, especially among younger workers. This overview explores how cultural norms, economic shifts, and new state laws are reshaping the conversation around what we earn.

Read how Fordism helped invent the American middle class

Henry Ford's revolution of the assembly line and American manufacturing as a whole gave rise to the American middle class. The introduction of the $5 workday (in exchange for eight-hour days of highly repetitive work) raised factory workers' wages enough to reorient the economy around consumer demand.

Since its inception in 1938, Congress has raised the federal minimum wage 22 times

If you want all the details about when and why these rate increases happened check out this resource from the US Department of Labor.

Lenin’s “dictatorship of the proletariat” meant power held by workers, not elites

Lenin argued that capitalism concentrated power in a small ruling class, and only transferring authority to industrial workers could eliminate exploitation and class hierarchy. This five-minute explainer outlines how he envisioned that revolutionary shift.

Over 1.9 million Americans—more than a quarter of those unemployed—have been classified as 'long-term' unemployed in a given month in 2026, meaning they've been out of work for at least 27 weeks.

The ACLU was founded in 1920 in direct response to the suppression of speech during World War I

The mass arrest and prosecution of anti-war activists, socialists, and immigrants under the Espionage and Sedition Acts prompted a group of civil libertarians to form the American Civil Liberties Union to defend constitutional rights.

Abolitionists shaped American history from the Revolution to the Civil War

Abolitionists of all backgrounds organized against slavery from the founding era onward. Historian Manisha Sinha argues that their decades of activism fundamentally shaped American democracy and made emancipation possible.