there are 49 countries, you can check everything on the FIFA web site.
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32 in 8 groups of 4 for the group stages
32 in 8 groups of 4 for the group stages
Before the World Cup takes place, up to 209 teams enter qualification for the initial group stage of the World Cup. From these teams, 32 will qualify for the group stages of the World Cup.
Because if teams are tied in their group ranking, the group who scored more goals will have more points and consequently will advance to the next round.
you just need more goals than the opponent
In the group stages a team is unlikely to advance if they lose two games. In the last 16 it is straight knock out.
The last time that football World Cup holders got knocked out in the group stages was in 2010 when Italians were knocked out in the group stages.
Teams get eliminated in the World Cup by losing matches in the group stage or knockout rounds. If a team loses enough matches, they will not advance to the next stage of the tournament and will be eliminated from the competition.
The Group B teams are : Argentina Nigeria Korea Greece
After all of the group stage matches have been played, the top two teams with the most points from each group advance to the knock out stage of the tournament. The two bottom teams from each group are eliminated from the tournament. The rest of the tournament is a single elimination knock out tournament where the last standing team is awarded the world cup.
Teams can be eliminated from the world cup in two ways. Either they can be knocked out in the group stage if they lose 2 games or fail to get enough points to progress in anyway or if they lose a match in the knockout stages.