Between any two World Cups, there is a lot of turn-over of the competitors.
Of the 209 nations eligible, only 32 actually make it through continental qualifying to the final stages of the competition. Hence, many of the teams you may have gotten used to seeing at the 2010 World Cup in South Africa might not be making the trip to Brazil in 2014.
So who will be the unlucky teams who will go from competing in the world's biggest competition in 2010 to watching at home in 2014?
Here are the nine nations from 2010 most at risk of missing out in 2014.