10 countries with no army, navy or air force

While most countries maintain armed forces, a handful of sovereign states have chosen to operate without a standing military.
Instead, they rely on police services, coast guards, volunteer units, or defense agreements with larger allies for their security.1. Costa Rica
Costa Rica abolished its military in 1948 following a civil war and enshrined the decision in its constitution. Internal security is handled by national police and specialized public forces, while the country emphasizes diplomacy