#2 Uruguay
The South American country with a population around 3.44 million is a football giant with an illustrious history. Considering the quality players they have, though, it would have been a surprise had they not made it to Russia.
Uruguay have won the World Cup twice, both times thrashing fellow South American opponents Argentina and Brazil. In fact, they are the smallest country to clinch a World Cup in terms of population when they won it in 1930; their population was 1.75 million.
They have also won the Copa America a record 15 times. In addition to that, they won two Olympic gold before the introduction of FIFA World Cup in 1930. To sum up, Uruguay national team has won more international tournaments than any other country.
Uruguay have been drawn into group A, consisting of hosts Russia, Saudi Arabia and Egypt, and it is expected that they will march into the later stage of the tournament. They'll play their first game against Egypt on 15th June in Yekaterinburg.