These are the current ranks that you can apply for in all villages
Academy Student
Genin
Chuunin
if you want higher than this you will need to do a roleplay test to see if your worth the rank you want
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Character sheet update for ranks
Academy Students
level - 1/100000
hp - 150/100000
chakra - 150/100000
Genins
level - 5/100000
hp - 200/100000
chakra - 200/100000
Chuunins/Medical Nins
level - 10/100000
hp - 300/100000
chakra - 300/100000
Jounins
level - 30/100000
hp - 1000/100000
chakra - 1000/100000
Kages
level - 100000/100000
hp - 100000/100000
chakra - 100000/100000