The requirements you will see are that of the AIKA.
These are the standards for those ranks.
Kyu Grade
Ju Kyu
Entering Karate-ka, join A.I.K.A.
Ku Kyu
Must know all basics upper and lower, Exercises, Kumite, Isshinryu Code
Hachi Kyu
Must know Seisan kata, Bunkai, Kumite, History of Isshinryu and Tatsuo Shimabuku
Shichi Kyu
Must know Seiuchin, Bunkai, Kumite, participate in Exhibitions
Roku Kyu
Must know Naihanchi, Bunkai, Kumite
Go Kyu
Must know Wansu, Bunkai, Kumite, Short Sai kata
Yon Kyu
Adults...Must know Tokumine no kun, Written test
Youth...Written testHonor belt can be awarded at this level for top student
San Kyu
Must know Chinto Kata, Bunkai, Kumite
Ni Kyu
Must know Kusanku Kata, Bunkai, Kumite-- Assistant Instructor
Ichi Kyu
Must know Sanchin and Sunsu Katas, Bunkai, Kumite-- Assistant Instructor
Dan Grade
Sho Dan
All empty hand katas, Tokumine No Kun, Kusanku Sai, Jyu Kumite,-- Instructor
Ni Dan
Urashi No Kun-- Instructor
San Dan
Chatanyara No Sai, Shishi No Kun No Dai,-- May apply for A.I.K.A. Instructor’s License
Yon Dan
Hama Higa No Tuifa, Even though Bo/Sai Kumite Bo/Bo Kumite ARE NOT ISSHINRYU they can be taught but are not mandatory-- Renshi-Go, Instructor
All of the below grades are based on ability of karate-ka and the discretion of the Senseis.
Rank awarded by the AIKA National Board.Go Dan
Renshi-Go, Instructor
Roku Dan
Renshi-Go, Master
Shichi Dan/Nana Dan
Kyoshi-Go, Master
Hachi Dan
Kyoshi-Go, Master
Ku Dan
Hanshi-Go, Master
Ju Dan
Hanshi-Go, Master