Status varies between the minimum that someone can have that is F- and the maximum that someone can have that is SSS +.
Common person:
Strength: (F+) Determines the physical attack.
Agility: (F+) Determines speed and flexibility.
Constitution: (F+) Determines the physique and how long it can last.
Intelligence: (F+) Determines the speed of thought and perception.
Willpower: (F+) Related by haki.
Normal adult marine:
Strength: (E)
Agility: (E)
Constitution: (E)
Intelligence: (E)
Willpower: (E)
Minor officers:
Strength: (E) ~ (D-)
Agility: (E) ~ (D-)
Constitution: (E) ~ (D-)
Intelligence: (E) ~ (D-)
Willpower: (E) ~ (D-)
Lieutenants, Junior Lieutenants and Ensigns:
Strength: (D) ~ (D+)
Agility: (D) ~ (D+)
Constitution: (D) ~ (D+)
Intelligence: (D) ~ (D+)
Willpower: (D) ~ (D+)
Commanders, Commanding Lieutenants:
Strength: (C-) ~ (C+)
Agility: (C-) ~ (C+)
Constitution: (C-) ~ (C+)
Intelligence: (C-) ~ (C+)
Willpower: (C-) ~ (C+)
Captains and Commodores:
Strength: (B-) ~ (B+)
Agility: (B-) ~ (B+)
Constitution: (B-) ~ (B+)
Intelligence: (B-) ~ (B+)
Willpower: (B-) ~ (B+)
Rear Admirals:
Strength: (A-) ~ (A+)
Agility: (A-) ~ (A+)
Constitution: (A-) ~ (A+)
Intelligence: (A-) ~ (A+)
Willpower: (A-) ~ (A+)
Vice Admiral, Admiral, Fleet Admiral and Yonkos:
Strength: (S-) ~ (SS+)
Agility: (S-) ~ (SS+)
Constitution: (S-) ~ (SS+)
Intelligence: (S-) ~ (SS+)
Willpower: (S-) ~ (SS+)