Monaco
Has a population of 38,682 and an area of just over 2 kilometres squared.
Vatican
Of course, they have their own team, which was created in 1994. With 25 years of life, they still aren't recognised by FIFA
Micronesia
Belongs to Oceania and its capital is Palikir. Has more than 100,000 people and is 702 kilometres squared.
Marshall Islands
Also in Oceania and became independent in 1990, their national team can't have big targets at an international level either.
Tuvalu
The national side has been around for quite a while now, as it was created in 1979. With 11,819 inhabitants, they also aren't approved by FIFA.
Palau
An archipelago of more than 500 islands in the Pacific Ocean whose national team was created in 1998.
Nauru
From Oceania. A small island nation in Micronesia and northeast of Australia, but their team isn't part of FIFA.
Kiribati
They are one of the most recent sides because they started in 2005. It is a country in the central Pacific Ocean with Tarawa as its capital and with little more than 122,000 inhabitants.