Military Rank Equivalence

Rank Ladder Highest first

🇯🇵 Japan · Navy	NATO equivalent	China · Navy 🇨🇳
Officers
幕僚長たる海将 Bakuryōchō-taru-kaishō	OF-9 General	海军上将 (Admiral)
海将 Kaishō	OF-8 Lieutenant General	海军中将 (Vice Admiral)
海将補 Kaishō-ho	OF-7 Major General	海军少将 (Rear Admiral)
No equivalent	OF-6 Brigadier General	海军大校 (Senior Captain)
1等海佐 Ittō kaisa	OF-5 Colonel	海军上校 (Captain)
2等海佐 Nitō kaisa	OF-4 Lieutenant Colonel	海军中校 (Commander)
3等海佐 Santō kaisa	OF-3 Major / Commandant	海军少校 (Lieutenant Commander)
1等海尉 Ittō kaii	OF-2 Captain / 1st Lieutenant	海军上尉 (Lieutenant)
2等海尉 Nitō kaii 3等海尉 Santō kaii 准海尉 Jun kaii	OF-1 Lieutenant	海军中尉 (Sub-Lieutenant) 海军少尉 (Ensign)
Enlisted ranks
海曹長 Kaisōchō	OR-9 Sergeant Major	海军一级军士长 (First Class Sergeant Major)
1等海曹 Ittō kaisō	OR-8 1st Sergeant	海军二级军士长 (Second Class Sergeant Major)
2等海曹 Nitō kaisō	OR-7 Sergeant 1st Class	海军三级军士长 (Third Class Sergeant Major)
3等海曹 Santō kaisō	OR-6 Staff Sergeant	海军一级上士 (First Class Master Sergeant)
No equivalent	OR-5 Sergeant	海军二级上士 (Second Class Master Sergeant)
No equivalent	OR-4 Corporal	海军中士 (Sergeant)
海士長 Kaishichō	OR-3 Private 1st Class	海军下士 (Corporal)
1等海士 Ittō kaishi	OR-2 Private	海军上等兵 (Seaman First Class)
2等海士 Nitō kaishi	OR-1 Private	海军列兵 (Seaman Recruit)

Tiers neither force uses are hidden. An OF/OR code held by only one of the two is kept and marked — a missing tier is itself a difference in how the two hierarchies are built.