what does locke have to say about human equality?

John Locke argues that all human beings are naturally equal in a moral and political sense, and that no one is born with a rightful authority to rule over others. This natural equality underpins his ideas about natural rights, consent, and legitimate government.

Equality in the state of nature

For Locke, human equality begins in the “state of nature,” a condition before formal government where people live under a law of nature given by God. In this state, Locke describes people as being in “a state of equality, wherein all the power and jurisdiction is reciprocal, no one having more than another.”

Because humans are “creatures of the same species and rank,” all share the same basic faculties and are therefore equal “without subordination or subjection.” This equality means no one is naturally born a master or a slave, a ruler or a subject.

Natural rights and moral equality

Locke connects equality directly to natural rights, which belong to all persons simply as human beings. He holds that all people equally possess rights to life, liberty, health, and property, and that “no one ought to harm another in his life, health, liberty, or possessions.”

This moral equality implies reciprocal duties: because others are our equals, we owe them justice, charity, and a basic respect grounded in the law of nature. The obligation to “mutual love amongst men” is built on this natural equality and supports maxims of justice and charity in society.

Equality and political authority

Locke uses equality to attack doctrines of divine or natural monarchy that claimed some are born to rule. If all are naturally free and equal, then political power over others cannot be justified by birth or lineage, but only by their consent.

This is why Locke insists that legitimate government rests on the consent of the governed, who begin as free and equal individuals choosing to form a political community. Equality is therefore not just a moral idea but the foundation for social contracts, limited government, and the right to resist tyranny.

Limits and tensions in Locke’s equality

Although Locke’s language is universal, his application was historically limited. His writings strongly influenced later declarations of rights and the idea that “all men are created equal,” yet he lived in a society that tolerated slavery and exclusion, and his own involvement with colonial projects raises serious critical questions.

Many contemporary interpreters argue there is a tension between Locke’s theoretical commitment to universal equality and the exclusions (for example, regarding enslaved people or non-Europeans) that appear in practice and in some readings of his texts. This tension has led to ongoing debates about whether Locke’s principles, if consistently applied, demand a more genuinely inclusive equality than was realized in his time.

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