What is a libertarian

Checked on January 22, 2026
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Executive summary

A libertarian is someone who treats individual liberty as the primary political value and seeks to limit coercive state power accordingly [1][2]. The label covers a spectrum—from advocates of a minimal “night‑watchman” state that protects rights to anarcho‑capitalists who reject government entirely—and includes both market‑oriented and egalitarian strains that disagree about property and redistribution [3][4]Libertarianism" target="_blank" rel="noopener noreferrer">[5].

1. What the core idea actually is: liberty first

At its core libertarianism holds that individuals, not states or groups, are normatively primary and that people have strong rights against forcible interference—often summarized as a commitment to non‑interference or liberty as the default political value [4][1]. That principle typically translates into skepticism about redistributive taxation and many forms of economic regulation, which many libertarians view as coercive violations of individual rights [3][2].

2. The economic and institutional prescriptions: markets, property, and limited government

Most libertarians endorse a free‑market economy built on private property, freedom of contract, and voluntary cooperation, arguing that markets and property rights best respect individual liberty and organize social cooperation [3][6]. Where they differ is how much state is justified: some endorse a minimal state whose sole legitimate functions are protecting rights, while others—anarcho‑capitalists—argue that private markets could replace the state entirely [4][3].

3. Factions and disagreements inside the tent

“Libertarian” is not a single, unified theory; there are left‑libertarians who couple anti‑statism with egalitarian critiques of property and advocate redistribution of natural resources, and there are right‑leaning or market‑focused libertarians who tolerate large inequalities as outcomes of free exchange [5][3]. These internal divisions mean some traditions identify with classical liberalism and free‑market economics, while others trace their lineage to anarchist or socialist thought and use labels like “libertarian socialist” to highlight those roots [5][7].

4. How the label is used in politics and dictionaries

In contemporary English usage, major dictionaries and encyclopedias define libertarianism as the political philosophy emphasizing individual freedom and limiting central government power, and they note its association with policies such as opposition to regulation and lower taxes as well as strong civil liberties protections [2][8][1]. Political organizations and advocacy sites describe libertarian visions ranging from a cosmopolitan, pluralist society enabled by commerce to specific policy platforms like school choice, opposition to gun control, and deregulation, illustrating how the term functions as both philosophical commitment and partisan identity [9][10].

5. Origins, intellectual lineage, and critiques

Libertarian thought is usually presented as an heir to classical liberal thinkers such as John Locke, Adam Smith and other Enlightenment figures who prioritized rights and limited government, but modern libertarianism also draws on 20th‑century writers like Hayek, Nozick, and Rothbard—while critics argue libertarian policies risk leaving social problems unaddressed by market forces [1][6][4]. Philosophical defenses stress rights and non‑coercion, whereas practical criticisms contend that unfettered markets can produce inequality and externalities that justify some collective action—an ongoing debate reflected inside and outside libertarian circles [3][11].

Want to dive deeper?
How do left‑libertarian and right‑libertarian theories differ on property and redistribution?
What are the main arguments libertarian philosophers use to justify a minimal state versus anarcho‑capitalism?
How have libertarian ideas influenced contemporary U.S. public policy and political parties?