The World Group was the highest level of Fed Cup competition in 2004. Sixteen nations competed in a four-round knockout competition. World No. 1 team France was the defending champion, but they were defeated in the final by World No. 5 team and four-time finalist Russia. As such, Russia ascended to World No. 2.
The World Group II was the second highest level of Fed Cup competition in 2008. Winning nations advanced to the World Group Play-offs, and the losing nations were demoted to the World Group II Play-offs.
The World Group was the highest level of Fed Cup competition in 2009. Eight nations competed in a three-round knockout competition. Russia was the two-time defending champion, but they were defeated by Italy in the semifinals. The Italian team went on to win, defeating the United States in the final, 4–0.
The World Group was the highest level of Fed Cup competition in 2010. Eight nations competed in a three-round knockout competition. Italy was the defending champion, and they went on to meet their fellow defending finalists the United States in the final. The Italians won for a second consecutive year, 3–1.
The World Group was the highest level of Fed Cup competition in 2011. Eight nations competed in a three-round knockout competition. Italy was the two-time defending champion, but they were defeated in the semifinals by four-time former champion Russia.
The World Group was the highest level of Fed Cup competition in 2012. Eight nations competed in a three-round knockout competition. Czech Republic was the defending champion, and they successfully defended their title by defeating first-time finalists Serbia in the final.
The World Group was the highest level of Federation Cup competition in 1993. Thirty-two nations competed in a five-round knockout competition from 19–25 July. Germany was the defending champion, but they were shocked in the first round by Australia, in what was the first time in the event's history where the defending team was defeated without winning a match. The defeat was especially significant as it involved a loss for then singles World No. 1 Steffi Graf at the hands of Nicole Provis. Prior to this match, Graf had defeated Provis in straight at their four meetings, and had never lost a Fed Cup tie.
The Europe/Africa Zone was one of three zones of regional competition in the 1995 Fed Cup.
The Americas Zone was one of three zones of regional competition in the 2000 Fed Cup.
The World Group was the highest level of Fed Cup competition in 2013. First seeds Czech Republic were the defending champions, but they were defeated in the semi-finals by Italy. Italy won the final against Russia.
The World Group Play-offs were the qualifiers for the highest level of competition in the 2001 Fed Cup and the 2002 Fed Cup.
The World Group was the highest level of Fed Cup competition in 2002. Sixteen nations competed in a four-round knockout competition. Belgium was the defending champion, but they were defeated in the quarterfinals by Italy. Slovakia defeated Italy, and then Spain in the final to claim their 1st title and No. 1 ranking.
The Europe/Africa Zone was one of three zones of regional competition in the 2003 Fed Cup.
The World Group was the highest level of Fed Cup competition in 2003. Sixteen nations competed in a four-round knockout competition. Slovakia was the defending champion, but they were defeated in the quarterfinals by Belgium. France defeated United States in the final to win their second title and claim the World No. 1 ranking.
The World Group was the highest level of Fed Cup competition in 2014. The Czech Republic beat Germany in the final to win a third Fed Cup title in four years.
The World Group was the highest level of Fed Cup competition in 2015.
The 2016 Fed Cup was the 54th edition of the most important tournament between national teams in women's tennis. The final took place on 12–13 November and was won by the Czech Republic for the third year in a row, and for the fifth time in six years.
The World Group was the highest level of Fed Cup competition in 2016.
The 2017 Fed Cup was the 55th edition of the most important tournament between national teams in women's tennis. The final took place on 11–12 November and was won by the United States.
The 2018 Fed Cup was the 56th edition of the most important tournament between national teams in women's tennis. The 2018 Fed Cup was expected to feature some structural changes, including a 16-team World Group and the introduction of a Final Four event at a neutral, predetermined location. However, the ITF announced shortly before their annual meeting that they were tabling a vote on the changes for at least one year.
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