bigpigeon.us webpage WWII US > WWII Casualties > Casualties - Navy, © 2023 by Robert A. Christiansen, updated by RAC 25 Nov 2023. 
US Navy Casualties 1941-1946
​----------------------------------------------
Killed in Action (KIA)              34,014
Wounded in Action (WIA)     37,778
Prisoner of War (POW)           3,379
Missing in Action (MIA)    unknown
​                                               ------------
US Navy Casualty Total    75,171
                                                     
WIA - Survived                       35,941
POW - Survived                       2,640
MIA - Survived                  unknown​
​​                                             ------------   Navy Casualty Survivals  38,581
Killed in Action                       34,014
​WIA - Died of Wounds             1,837
POW - Died while prisoner        739
​MIA - Died while missing           190
​                                              ------------
​Navy Casualty Deaths       36,780     
US Navy casualty notes:
  • Source 2 below gives a killed in action figure of 34,004, a died while prisoner figure of 919, and an other deaths due to enemy action, which I use, of 190.
  • Survivals + Deaths = 38,581 + 36,780 = 75,361; close but not equal to Total of 75,171.
Sources for Big Pigeon's WWII US > WWII Casualties webpage:​
  1. https://www.history.navy.mil/research/library/online-reading-room/title-list-alphabetically/w/world-war-ii-casualties.html - World War II Casualties, Navy Heritage and History Command - used for the following US Navy and US Marine Corps data: Killed in Action; Died of Wounds; Died as Prisoner.
  2. https://www.naval-history.net/WW2UScasaaDB-USNaNOTEonTOTALS.htm - World War 2 - United States Navy at War, UNITED STATES NAVY CASUALTIES - INTERIM NOTE ON NUMBERS, 2017 - This is death and not casualty data. As of Nov 2023, naval-history.net can no longer be accessed.