These countries have no armed forces

Andorra -
Located in the Pyrenees, between France and Spain, this small nation doesn't have its own military force.

Aruba -
A constituent country of the Kingdom of the Netherlands, this Caribbean island doesn't have its own military. Instead, Aruba can count on the Netherlands.

Cayman Islands -
Part of the British Overseas Territories, the Cayman Islands have their own national police force. As for military power, they have Great Britain.

Costa Rica -
The Central American nation hasn't had an army since 1949. Though Costa Rica can count on the help of the US, if needed.

Dominica -
This state in the Lesser Antilles has the Commonwealth of Dominica Police Force, but no standing army.

Faroe Islands -
Located in the North Atlantic, the Faroe Islands count on the Danish government for defense, as they have no military.

Iceland -
Although Iceland is a member of NATO, the country hasn't had a standing army since 1869. Iceland therefore relies on NATO forces for its defense.

Micronesia -
This former United Nations trust territory in the Western Pacific merged in 1979 and became independent from the US in 1986.

Montserrat -
A British overseas territory since 1783, this Caribbean island relies on the UK's military, as they only have a police force.

Nauru -
This former British colony is the smallest republic in the world. It became independent in 1968, and currently counts on Australia to keep its people safe.

Niue -
This small South Pacific island nation counts on New Zealand to help them with defense. Though Niue does have a police force to keep their little-over-1,600 inhabitants safe.

St. Vincent and the Grenadines -
St. Vincent and the Grenadines were under British rule until 1979. They do have a police force, but not an official military force.

Samoa -
While Samoa doesn't have a formal defense force, New Zealand has been informally ensuring the island's protection since its independence in 1962.

Solomon Islands -
Despite the many conflicts over the years, the Solomon Islands have no standing army.

Tuvalu -
The former British colony (then known as Ellice Islands) is the fourth-smallest state in the world. Tuvalu does have a police force, but no military. 

Vatican City -
Vatican City is the world's smallest independent nation-state. They do have the famous Swiss Guards to protect the pope, but no armed forces as such. 

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