Look in related links below.
USA world ranked 20th
Roger Federer. http://www.atpworldtour.com/5/en/rankings/EntrySystem/default.asp?rank=100&country=&RankDate=4/14/2008
1. Boxing 2. F1 Racing 3. Baseball 4. American Football 5. Basketball 6. Football/Soccer
The highest rank in politics varies by country, but generally the highest rank is the head of state or head of government, such as the President, Prime Minister, or Monarch. These individuals have the most power and authority in their respective political systems.
The highest rank for a skill is 1
The highest ninja rank is kage
The highest rank is Tai Pan
An ambassador is a minister of the highest rank who is sent to a foreign court to represent his sovereign or country.
a diplomat of the highest rank; accredited as representative from one country to another
The black belt is the highest rank in martial arts.
The highest rank in Halo: Reach is Inheritor.
The highest rank you can reach is 46.