Britannica
Sources used in this answer
How did Plato organize the classes in his ideal state in the Republic?
Created from Britannica articles
using AI.
AI can make mistakes, so verify using Britannica articles.
Political philosophy
Diorite stela inscribed with the Code of Hammurabi, 18th century bce.
In his dialogue the Republic, Plato organizes his ideal state into three distinct social classes, each corresponding to a specific part of the human soul. This structure is designed to achieve political justice, which Plato defines as a condition where each class performs its proper role without interfering with the others.1
The three classes are:
- Rulers: These are the philosopher kings (and queens), who possess knowledge of the forms of the Good and the Just. Because they are motivated by a love of truth rather than greed or power, they are the only individuals trusted to govern for the benefit of the entire state.21
- Guardians (or Auxiliaries): These individuals serve as the state's military force. They are dedicated to protecting the city and supporting the rulers, acting as their "helpers" in maintaining order.21
- Producers: This class includes farmers, craftsmen, and other workers who provide the material needs of the society.1
Plato correlates these classes with the three parts of the soul: reason (rulers), spirit (guardians), and appetite (producers). Justice is achieved when each part of the soul—and each class of the state—functions in harmony.1