These are the bonuses and few requirments you get and need to rank up or get a promotion:
Marines
Marines rank-up by completing the "Requirments" that is scatterd across the One Piece World, in the Marine Bases.
Captain Promotion
Current Rank: Lieutenant
Stat Increase: +60 Attribute Points, +6 Technique Points, +5 Marine Points, +5 Skill Points, +5 million
Commodore Promotion
Current Rank: Captain
Stat Increase: +60 Attribute Points, +6 Technique Points, +5 Marine Points, +5 Skill Points, +5 million
Rear Admiral Promotion
Current Rank: Commodore
Stat Increase: +180 Attribute Points, +18 Technique Points, +15 Marine Points, +10 Skill Points, +30 million
Vice Admiral Promotion
Current Rank: Rear Admiral
Stat Increase: +120 Attribute Points, +12 Technique Points, +10 Marine Points, +5 Skill Points, +40 million
Admiral Promotion
Current Rank: Vice Admiral
Stat Increase: +120 Attribute Points, +12 Technique Points, +10 Marine Points, +10 Skill Points, +30 million
Fleet Admiral Promotion
Current Rank: Admiral
Stat Increase: +330 Attribute Points, +30 Technique Points, +25 Marine Points, +10 Skill Points, +50 million
World Goverment
Positions is offerd by the World Goverment to Pirates or Marines, who have done exceptionally well, for themselves.
Shichibukai
Current Rank: Supernova, Tyrant or Kaikyou
Stat Increase: + Difference
Cipher Pol 9
Current Rank: Commodore, Rear Admiral
Stat Increase: + Difference
Pirates
Pirates rank up, by being acknowledged by the World Goverment, either by raw power and danger level, or by creating alot of havoc at locations. The bounty determines what "rank" the World Goverment have put on your head.
Rookie
Requirment: 0-30 million bounty
Current Rank: Rookie
Stat Increase: None
Location: East Blue & Grand Line
Pirate
Requirment: 30+-50 million bounty
Current Rank: Rookie
Stat Increase: +50 Attribute Points, +5 Technique Points, +5 Pirate Points, +5 Skill Points, +5 million
Location: East Blue & Grand Line
Super Rookie
Requirment: 50+-100 million bounty
Current Rank: Pirate
Stat Increase: +50 Attribute Points, +5 Technique Points, +5 Pirate Points, +5 Skill Points, +5 million
Location: Grand Line
Supernova
Requirment: 100+-300 million bounty
Current Rank: Super Rookie
Stat Increase: +150 Attribute Points, +15 Technique Points, +15 Pirate Points, +10 Skill Points, +30 million
Location: Grand Line (Below 200 million = remains Supernova in New World)
Kaikyou
Requirment: 200+-300 million bounty
Current Rank: Supernova
Stat Increase: +100 Attribute Points, +10 Technique Points, +10 Pirate Points, +5 Skill Points, +40 million
Location: New World
Tyrant
Requirment: 300+-400 million bounty
Current Rank: Kaikyou
Stat Increase: +100 Attribute Points, +10 Technique Points, +10 Pirate Points, +10 Skill Points, +30 million
Location: New World
Yonkou
Requirment: 400+ million bounty
Current Rank: Tyrant
Stat Increase: +250 Attribute Points, +25 Technique Points, +25 Pirate Points, +10 Skill Points, +50 million
Location: New World