The last count has 98 contestants from 30 Countries in the 7th Jet World Masters.
Each country is allowed from 1 to 6 pilots that can be any combination of Individual (the pilot must also be the builder) and Open (the pilot is not necessarily the builder) Classes.
There are 9 Countries that have a complete team of 6 pilots including USA.
The pilot/plane particulars can be viewed on
http://ijmc.net/
The USA Team is sponsored by Jet Central & AMT/USA as well as a contributor Ron Ballard.