The reason Confederate battle deaths and wounded were estimated during the Civil War could be because there were so many casualties as well as soldiers who deserted the battle. Another reason may be that the Confederacy back during the U.S. civil war is that they didn't have accurate records.
they are estimated because they have so little soldiers and not as many as union soldiers
According to the U.S. Department of defense:U.S. casualties: 148 battle deaths, 145 nonbattle deaths* Army: 98 battle; 105 nonbattle * Navy 6 battle; 8 nonbattle * Marines: 24 battle; 26 nonbattle * Air Force: 20 battle; 6 nonbattle * Women killed, 15source: http://www.defenselink.mil/news/newsarticle.aspx?id=45404(part of the U.S. Department of Defense website).
U.S. casualtiesArmy: 98 battle; 105 nonbattleNavy: six battle; eight nonbattleMarines: 24 battle; 26 nonbattleAir Force: 20 battle; six nonbattle.Resulting in 148 U.S. battle deaths, and 145 nonbattle deaths, including 15 women. Wounded in action: 467.Iraqi casualtiesOf Iraq's 545,000 troops in the Kuwait theater of operations, an estimated 100,000 were killed, and300,000 were wounded.
4,708 killed, 12,693 wounded, 5,830 captured/missing
Union army: Battle deaths 110,070, disease 250,152 with a total of 360,222. Confederate battle deaths 94,000, disease 164,000 with a total of 258,000 deaths. of every 1,000 federals in battle 112 were wounded. Of every 1,000 Confederate 150 were hit.
During the US Civil War, many deaths of soldiers on both sides died of diseases. In the South, it is estimated that 50% of Confederate soldier deaths were caused by or were related to various disease. For example, Malaria and Yellow Fever caused many deaths.
It is estimated that around 620,000 soldiers died in the American Civil War. This includes approximately 360,000 Union soldiers and 260,000 Confederate soldiers.
The American Civil War was the deadliest war in American History. About 620,000 individuals lost their lives during the Civil War. Confederate deaths were 260,000 of which 93,000 were killed in combat, while Union deaths were 360,000 of which 110,000 deaths were in combat. Disease was the major cause of death in the civil war. Out of 620,000 deaths, 417,000 were from diseases while 203,000 were killed in combat. In total deaths the American Civil War was the deadliest war in American History with over 620,000 fatalities. Although in combat related deaths World War II remains the deadliest conflict with 292,000 combat deaths (416,000 total). (see the related link)
The main cause of death in the US Civil War was disease because of the unsanitary conditions in hospitals used to care for wounded soldiers. One of the greatest killers was Dysentery, a disease that killed over 45,000 Union soldiers and 50,000 Confederate soldiers. It is estimated that two thirds of all deaths among US Civil War soldiers were due to various diseases.
Overall, it is estimated that 625,000 total deaths during the US Civil War. There were 365,000 from the Union side and 260,000 from the Confederate side.
Deaths in a war can be calculated in many ways. Usually the figures represent the deaths of soldiers on active duty, civilians killed by direct military action and similar - but ignore deaths from wounds at a later time, deaths from general privation, deaths from disease and similar. The total number of casualties (killed and wounded) in World War I, both military and civilian, is generally estimated to be about 37 million: 16 million deaths and 21 million wounded. The deaths include 9.7 million military personnel and about 6.8 million civilians. Allied losses were 5.7 million soldiers and the Central Powers about 4 million.
There were 360,000 Union soldier deaths and 258,000 Confederate soldier deaths during the American Civil War.
Wounded men & non-wounded men freezing to death was a leading cause.