when does the world cup occur?
Every 4 Years
entailment
 The major international competition in football is the World Cup , organised by FIFA . This competition takes place every four years . Approximately 190 – 200 national teams compete in qualifying tournaments within the scope of continental confederations for a place in the finals . The finals tournament , which is held every four years , involves 32 national teams competing over a four @-@ week period . The most recent edition of the tournament was the 2014 FIFA World Cup in Brazil . 

entailment
 The World Cup even has a statistically significant effect on birth rates , the male / female sex ratio of newborns , and heart attacks in nations whose national teams are competing . Hosting the World Cup or a home team 's win tends to increase male births and total birth rate , and heart attacks are more common when home teams are on the field . 

neutral
 The current format of the competition involves a qualification phase , which currently takes place over the preceding three years , to determine which teams qualify for the tournament phase , which is often called the World Cup Finals . 32 teams , including the automatically qualifying host nation ( s ) , compete in the tournament phase for the title at venues within the host nation ( s ) over a period of about a month . 

entailment
 FIFA World Cup 

entailment
 FIFA World Cup 
