What is socialism? The idea, its kinds, and how it differs

Socialism is the idea that the main means of production, such as factories, land, banks and big firms, should be owned or controlled by society as a whole rather than by private owners, so that the economy serves everyone's needs and not mainly owners' profits. It is a family of ideas, not one plan: socialists disagree about who should do the owning, the state, workers or communities, and how much room markets and elections should keep.

In short

• Socialism is defined against capitalism: the question is who owns and controls the means of production, and in whose interest they are run.
• Its versions range from state ownership under one party, to worker-owned firms in a market, to elected governments that own a few key industries.
• The welfare states of Northern Europe are often called socialist, but they run on private ownership and markets; most scholars call them social democracies.

What does socialism mean, exactly?

At its core, socialism is a claim about ownership. Under capitalism, private people and companies own most of the means of production and run them for profit, and markets set most prices and wages. Socialists argue that this lets a small class of owners hold power over everyone who works for them, and that public or shared ownership would give that power to the people affected.

The Stanford Encyclopedia of Philosophy puts the minimum this way: in a socialist economy, the bulk of the means of production is under "social, democratic control". That second word matters. By that definition, state ownership alone is not enough: the test is whether the people who work and live under the economy get a real say in it. That is why some socialists deny that one-party states which owned everything were socialist at all, while others, and most of those states' critics, use the word for them.

The word itself came into use in the 1820s and 1830s, among followers of Robert Owen in Britain and Henri de Saint-Simon in France, who were reacting to the long hours, low pay and slums of the early industrial revolution. Karl Marx came later and gave one branch of the movement its theory.

What are the kinds of socialism?

The labels are used loosely in everyday politics, which is why people talking about "socialism" often mean very different things. These are the main versions, with the clearest real examples of each.

Kind	Who owns the main industries	Role of markets	Politics	Real examples
State socialism, Marxist-Leninist	The state, run by one party	Central plan sets output and prices	One party, no opposition	Soviet Union, China under Mao
Market socialism	Workers or the public own firms	Firms compete in markets	Varies	Yugoslavia's worker-managed firms; Mondragón cooperatives in Spain
Democratic socialism	The public owns key sectors, such as energy, rail and health	Markets for most goods	Elections and rival parties	Britain's Labour government of 1945–51 took coal, rail and steel into public hands and founded the National Health Service
Social democracy	Mostly private	Markets throughout	Elections and rival parties	Postwar Sweden, Denmark and Norway

The last row is the one most argued over. Social democracy keeps private ownership and markets but taxes heavily to pay for universal health care, education, pensions and strong unions. Many of its founders saw it as a road toward socialism. Today most scholars treat it as a way of taming capitalism rather than replacing it. In 2015, Denmark's prime minister answered American politicians who held his country up as socialist: "Denmark is far from a socialist planned economy. Denmark is a market economy."

How is socialism different from communism?

Every communist is a socialist of a kind, but most socialists are not communists. In the Marxist scheme, as Lenin put it in 1917, socialism is the first stage after capitalism and communism the final one, a society with no classes, no money and in the end no state. Communist parties in the 20th century followed that usage, which is why the Soviet Union called itself socialist.

The bigger difference is method. Communist parties in the Leninist tradition believed only a revolution led by one disciplined party could build socialism, and once in power they banned rivals. Democratic socialists and social democrats split from them on exactly that point, arguing that public ownership must be won and kept through elections, a free press and the rights of democracy. In Europe the two camps were often bitter opponents for most of the 20th century.

What do supporters and critics say?

Supporters argue that markets left alone produce wide inequality, which the Gini coefficient measures, and that inequality of wealth becomes inequality of power. They point to things markets handle badly, such as health care, where a sick person can't shop around, and to public services and pensions that most rich democracies now take for granted, many of them first demanded by socialist and labor movements.

Critics make two main arguments. The first is about knowledge. The economists Ludwig von Mises and Friedrich Hayek argued from 1920 to the 1940s that without market prices, planners cannot know what things are worth or what people want, so planned economies waste resources and run short of goods, which is what Soviet-style economies did. The second is about freedom: Hayek's The Road to Serfdom, published in 1944, argued that putting economic power in the state's hands puts political power there too. Critics also point to incentives, arguing that when profit and ownership are removed, people work and invest less.

Still argued

Whether socialism can work is argued along two separate lines. Critics hold that every attempt to replace markets with planning has failed, so the idea itself is the problem. Supporters reply that the failures were one-party dictatorships, and that worker cooperatives, public health systems and mixed economies show social ownership can work inside a democracy. The evidence clearly shows central planning under one party performed poorly; it is less clear about the milder versions, because no democracy has gone far enough to test them fully.

How do Americans see socialism?

In the United States the word carries more charge than in Europe, where socialist and social democratic parties have governed for decades. A Pew Research Center survey from August 2022 found 36% of American adults had a positive view of socialism, down from 42% in 2019, and 57% had a positive view of capitalism, down from 65%. Views split sharply by party: 57% of Democrats and Democratic-leaning independents viewed socialism positively, against 14% of Republicans and Republican leaners.

Those numbers tell you about the word as much as the idea. Many policies with public support, such as public schools, Medicare or the public ownership of roads, involve some social ownership or control, yet few Americans would call them socialism. The broader question of how societies decide what to produce and for whom is what economics studies.

Check yourself

• Without looking back: what single question about the economy separates socialism from capitalism?
• What is the difference between democratic socialism and social democracy?
• What was Hayek's argument about prices and planning, in your own words?

Sources

• Socialism — Stanford Encyclopedia of Philosophy
• Socialism — Wikipedia
• Nordic model — Wikipedia
• Modest declines in positive views of 'socialism' and 'capitalism' in U.S. — Pew Research Center, 2022
• The Use of Knowledge in Society — Friedrich A. Hayek, American Economic Review, 1945, via Econlib
• The State and Revolution, chapter 5 — V. I. Lenin, 1917, Marxists Internet Archive