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 for a skill is 1
The highest ninja rank is kage
Level 65 Prestige 10 is the highest rank but the highest rank in number is 65.
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 highest rank on Explorers of the Sky, is Guildmaster Rank.
The highest rank anyone has reached is rank 85, although this was obviously not legit. That account was then moved back to rank 30. The current highest rank that still remains is a rank 61.