The FIFA Women's World Rankings for football were introduced in 2003, with the first rankings published in March of that year, as a follow-on to the existing FIFA World Rankings for men. They attempt to compare the strength of internationally active women's national teams at any given time.
Video FIFA Women's World Rankings
Specifics of the ranking system
- FIFA Women's World Rankings are based on every international match a team ever played, dating back to 1971, the first FIFA-recognized women's international between France and the Netherlands. (The men's ranking system considers only matches in the last four years.)
- FIFA Women's World Rankings are implicitly weighted to emphasize recent results. (The men's results are explicitly weighted on a sliding scale.)
- FIFA Women's World Rankings are only published four times a year. Normally, rankings are released in March, June, September and December. (In World Cup years, dates may be adjusted to reflect the World Cup results.)
The first two points result from the FIFA Women's World Rankings system being based on the Elo football rating system. FIFA considers the ratings for teams with fewer than 5 matches provisional and at the end of the list. Also any team that plays no matches for 18 months becomes unranked.
Maps FIFA Women's World Rankings
Leaders
To date Germany and the United States have been the only two teams to have led the rankings. They have also held the top two spots in all but five releases, when Germany was ranked third: Norway was in second position in the first two rankings until Germany overtook them by winning the 2003 FIFA Women's World Cup, Brazil was ranked second in March and June 2009 until Germany won 2009 Euro and rejoined the top two, and England reached the #2 ranking in March 2018.
The United States holds the record for the longest period being ranked first: almost 7 years, from March 2008 to December 2014.
In the latest rankings, action from annual spring friendly tournaments (the 2018 Algarve Cup, 2018 Cyprus Cup, and 2018 SheBelieves Cup) caused a large amount of movement throughout the top 40 teams. Germany dropped out of the top 2 for only the fifth time in their history, replaced by England. Japan dropped out of the top 10 for the first time since December 2007. Just behind the Japanese are Spain, who reached their highest-ever position after claiming their second spring tournament title in as many years. After gaining 32 points this period, Portugal (36th, up 2) are the most improved team since the previous ranking in terms of points.
Ranking procedure
The rankings are based on the following formulae:
Where
The average points of all teams are about 1300 points. The top nations usually exceed 2000 points. In order to be ranked, a team must have played at least 5 matches against officially ranked teams, and have not been inactive for more than 18 months. Even if teams are not officially ranked, their points rating is kept constant until they play their next match.
Actual result of the match
The main component of the actual result is whether the team wins, loses, or draws, but goal difference is also taken into account.
If the match results in a winner and loser, the loser is awarded a percentage given by the accompanying table, with the result always less than or equal to 20% (for goal differences greater than zero). The result is based on the goal difference and the number of goals they scored. The remaining percentage points are awarded to the winner. For example, a 2-1 match has the result awarded 84%-16% respectively, a 4-3 match has the result awarded 82%-18%, and an 8-3 match has the result awarded 96.2%-3.8%. As such, it is possible for a team to lose points even if they win a match, assuming they did not "win by enough".
If the match ends in a draw the teams are awarded the same result, but the number depends on the goals scored so the results will not necessarily add up to 100%. For example, a 0-0 draws earns both teams 47% each, a 1-1 draw earns 50% each, and a 4-4 draw earns 52.5% each.
Actual result table
The following is from a non-winning perspective (loss or draw). The factor for the winning team adds up to 100.
And from a winning perspective.
Source
Neutral ground or Home vs. Away
Historically, home teams earn 66% of the points available to them, with away teams earning the other 34%. To account for this, when two teams are not playing on neutral ground, the home team has its inflated by 100 points for the purposes of calculation. That is, if two equally ranked teams playing at one team's home ground, the home team would be expected to win at the same rate a team playing on neutral ground with a 100-point advantage. This 100 point difference corresponds to a 64%-36% advantage in terms of expected result.
This also helps define the scaling constant , which has a value of 200. In addition to a 100-point difference causing an expected result difference of 64%-36%, it also results in a 300-point difference causing expected results of 85%-15%.
Importance of the match
Ranking schedule
Rankings are published four times a year, usually on a Friday.
See also
- Elo football rating
- FIFA Men's World Rankings
- Statistical association football predictions
- Geography of women's association football
References
External links
- FIFA/Coca-Cola Women's World Ranking at FIFA.com
- Women's World Ranking Procedure at FIFA.com
- Women's World Ranking Fact Sheet
Source of article : Wikipedia
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