The Battle of Iwo Jima resulted in 25,707 deaths, according to the Navy Department Library. The battle caused the deaths of 6,800 American sailors and Marines, as well as the death of 18,917 Japanese soldiers.
Americans also incurred an additional 19,200 casualties. American losses were approximately 26,000 dead or wounded for the battle. There were initially 20,000 Japanese defenders on the island. Of the initial 20,000 soldiers, there were only 1,083 survivors. The Medal of Honor was awarded posthumously to 27 American sailors and Marines for the Battle of Iwo Jima, more than any other single engagement in American military history.