Political Dictionary

National Sovereignty

National sovereignty is the authority of a state to govern itself and control its affairs.

Definition

It includes territorial control, lawmaking, diplomacy, borders, and independence from outside rule.

Why It Matters

It is central to international law and debates over treaties, migration, trade, and global institutions.

How It Works

States exercise authority internally and negotiate limits through treaties and organizations.

History

Modern sovereignty developed through state formation and the Westphalian international order.

Example

A country may control its immigration laws while accepting treaty obligations.

Common Misconceptions

  • Sovereignty means a country can ignore all international law.
  • Joining an alliance eliminates sovereignty.
  • Sovereignty guarantees effective control over every territory.