Top 10 countries with the most expensive militaries in 2025

A well-funded military is crucial for preserving sovereignty, repelling threats, and safeguarding long-term national interests, notwithstanding the claims of some that excessive military spending takes money away from vital social services.

A nation with a significant defense budget can establish and sustain a powerful military that can protect its borders from outside threats.

A well-equipped military is crucial to preventing and responding to security challenges in an era of escalating geopolitical tensions, cyber warfare, and terrorism.

Nations with inadequate defense spending risk being vulnerable to foreign incursions, internal instability, or even territorial disputes.

One of the most prominent benefits of having a large defense budget is how much it strengthens defensive capabilities, which in turn can deter hostile groups or rival states from launching an attack.

Also, innovation in science and technology is frequently fueled by defense funding.

A sizable defense budget funds research and development, which produces innovative ideas that frequently find use in non-defense sectors, strengthening the economy as a whole.

A robust military is necessary for nations with global influence to safeguard their interests abroad. Whether it’s protecting trade channels, handling global emergencies, or even enrolling in peacekeeping missions.

Furthermore, strong defensive capabilities frequently translate into more diplomatic influence for a nation.

Countries that can contribute to collective security are more likely to be respected and cooperated with by other states.

A strong military ensures that a nation’s voice is heard in international affairs and improves its standing in security agreements, international organizations, and talks.

With that said, here are the 10 most heavily funded militaries in the world in 2025, according to data from Global Firepower.