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Teams get points for each international match based on four factors, and the final ranking consists of all a team's points over a four-year window. This is the formula:
Points = M (points for match result) * I (importance of match) * T (strength of opponent) * C (strength of confederation)
To explain each of those four factors a little further:
M (points for match result): Teams get 3 points for a win, 1 point for a draw, 0 points for a loss.
I (importance of match): This multiplier is fixed based on perceived importance of each competition, as follows:
Friendly game: 1.0
World Cup qualifier: 2.5
Confederation's Cup or confederation-level competition (like the Euros): 3.0
World Cup game: 4.0
T (strength of opponent): T=200 - (ranking of opponent). So if you play, 2nd-ranked Brazil, T=198. And if you play 66th-ranked Algeria, T=134.
C (strength of confederation): This multiplier is fixed by the perceived strength of each continent. The mean between the two numbers is used when teams from different continents play each other:
Europe/South America: 1.0
North/Central America: 0.88
Asia/Africa: 0.86
Oceania: 0.85
Multiply those four numbers together, and you get your FIFA ranking points for each game. Add up all of a team's points over a four-year window (with more recent games weighted more heavily), and you get its total FIFA ranking points.
The ranking takes the last four years of games into account, as follows:
Four years ago: 20% weight
Three years ago: 30% weight
Two years ago: 50% weight
Current year: 100% weight
So that's the entire formula.
Source : Internet
Teams get points for each international match based on four factors, and the final ranking consists of all a team's points over a four-year window. This is the formula:
Points = M (points for match result) * I (importance of match) * T (strength of opponent) * C (strength of confederation)
To explain each of those four factors a little further:
M (points for match result): Teams get 3 points for a win, 1 point for a draw, 0 points for a loss.
I (importance of match): This multiplier is fixed based on perceived importance of each competition, as follows:
Friendly game: 1.0
World Cup qualifier: 2.5
Confederation's Cup or confederation-level competition (like the Euros): 3.0
World Cup game: 4.0
T (strength of opponent): T=200 - (ranking of opponent). So if you play, 2nd-ranked Brazil, T=198. And if you play 66th-ranked Algeria, T=134.
C (strength of confederation): This multiplier is fixed by the perceived strength of each continent. The mean between the two numbers is used when teams from different continents play each other:
Europe/South America: 1.0
North/Central America: 0.88
Asia/Africa: 0.86
Oceania: 0.85
Multiply those four numbers together, and you get your FIFA ranking points for each game. Add up all of a team's points over a four-year window (with more recent games weighted more heavily), and you get its total FIFA ranking points.
The ranking takes the last four years of games into account, as follows:
Four years ago: 20% weight
Three years ago: 30% weight
Two years ago: 50% weight
Current year: 100% weight
So that's the entire formula.
Source : Internet