FIFA have provided ball in play data for the 2014 and 2015 World Cups.
Today is the start of round 2 of the group games for #WWC2015.
I thought I would compare ball in play comparisons for both World Cup tournaments. I have selected the first 12 games in both tournaments.
In 2014 the profile of ball in play was:
The range of ball in play time was from the 63 minutes in the England v Italy game to 53 minutes in the opening Brazil v Croatia game.
In 2015, the profile is:
The range in this tournament is 59 minutes in the Brazil v Korea Republic game and 42 minutes in the Colombia v Mexico game.
The comparison profile of both tournaments after 12 games is: