For the United States, over 58,000 dead, and over 300,000 wounded US servicemen.
Vietnam
A casualty report
Historians prefer to use the term INCENDIARY devices or INCENDIARY bombs; Especially when referring to WW2 in Europe. Napalm bombs/devices are INCENDIARY bombs, but contain another category of chemicals in them such as "Naphthenic & Palmitic" chemicals. During WW2, cities such as Dresden and Tokyo were struck heavily with INCENDIARY devices. Casualty figures are not reliable, but are documented for those cities. Data is also available for the Korean War (1950-1953). Due to the sensitivity of the Vietnam War, casualty figures on the INCENDIARY bombs used in the Vietnam War, commonly referred to as "Napalm Bombs", are not commonly available.
nobody Answer According to http://www.archives.gov/research/vietnam-war/casualty-statistics.html#year there were 9 individuals listed as casualties from 1956 to 1960. You can research this and other casualty facts through this site. Viper1
58,212 Americans were the first names listed on the Vietnam Memorial as the casualties of the war. Hopefully, someone else can add the South Vietnamese and North Vietnamese casualty count - as well as the Australian, Canadian, and Korean casualty numbers.
Ho Chi Minh & Kennedy, Johnson, Nixon.
"The first American soldier killed in the Vietnam War was Air Force T-Sgt. Richard B. Fitzgibbon Jr. He is listed by the U.S. Department of Defense as having a casualty date of June 8, 1956. His name was added to the Wall on Memorial Day 1999."
Look at the casualty figures for each battle. Try Wikipedia's list of Civil War battles.
The politicians. If they had let the commanders run the battlefield, there would have been less casualty. Instead, the war was run by politicians.
If he was a casualty, his name will be on the wall. If he's still present, ask him.
Antietam had the highest single-day casualty figures. Gettysburg had the highest total battle casualty figures.
When tactics failed to keep up with developments in weaponry, huge casualty figures ensued.