How Many Fought in the Civil War?
The Civil War was the largest War that America was ever involved in and by far the most casualties. Number for the Civil War estimate anywhere from 2.4 to 2.9 million depending on what source that you get the information from. The North soldiers were estimated to be closer to 2 million while the South had about 1/2 of that many soldiers. So the question “How many fought in the Civil War?” depends, but is is estimates to be just a little under 3 million soldiers.
One reason for more Northern soldiers is the landscape of the time period. Large metropolitan cities such as Boston, New York and Philadelphia had many more people than the urban cities in the Confederate states.