Why did Plato believe democracy could lead to tyranny?

In his analysis of political systems, Plato argued that democracy is inherently unstable and prone to devolving into tyranny due to the unchecked pursuit of appetites and the lack of competent leadership.1

Plato believed that in a democracy, the poor gain the upper hand and demagogues rise to power by flattering the masses and distributing resources unfairly to maintain popularity. As these leaders plunder the wealthy to satisfy the people, the resulting social confusion and corruption create a vacuum of order.1

According to Plato, this chaos inevitably leads to the emergence of a tyrant. This individual, initially supported by the public, eventually turns into a "wolf" who eliminates potential rivals and initiates wars to distract the populace from their growing discontent. Ultimately, Plato warned that the public, having fostered this environment, eventually realizes they have created a "monster" that threatens their own well-being. He contrasted this with his ideal of an aristocracy ruled by philosopher-kings, whose training would theoretically prevent such political decay.12