Civilian deaths in the Vietnam War. Lewy estimates that 40,000 South Vietnamese civilians were assassinated by the Viet Cong/North Vietnamese; 250,000 were killed as a result of combat in South Vietnam, and 65,000 were killed in North Vietnam. His estimated total of civilian deaths is 587,000.
https://en.wikipedia.org/wiki/Vietnam_War_casualties
North Vietnamese Deaths. According to the government in Hanoi, 1,100,000 North Vietnamese Army and Viet Cong military personnel were killed in the Vietnam War Rummel reviewed the many casualty data sets, and this number is in keeping with his mid-level estimate of 1,011,000 North Vietnamese combat deaths.
http://vietnamwar-database.blogspot.com/2010/11/vietnam-war-casualties.html
Agent Orange was a powerful mixture of chemical defoliants used by U.S. military forces during the Vietnam War to eliminate forest cover for North Vietnamese and Viet Cong troops, as well as crops that might be used to feed them.
http://www.history.com/topics/vietnam-war/agent-orange
Tables containing record counts that were generated from the Vietnam Conflict Extract Data File of the Defense Casualty Analysis System (DCAS) Extract Files (as of April 29, 2008 ) by the following field categories: Casualty Category. Casualty Country/Over Water Code (Country of Casualty) Home of Record State Code.
https://www.archives.gov/research/military/vietnam-war/casualty-statistics.html
Combat Deaths. According to the Vietnamese government, 1,100,000 North Vietnamese Army and Viet Cong military personnel were killed during the Vietnam War R.J. Rummel reviewed the many casualty data sets, this number is in keeping with his mid-level estimate of 1,011,000 North Vietnamese combat deaths.
http://vietnamwar-database.blogspot.com/2010/11/vietnam-war-casualties.html
IN UNIFORM AND IN COUNTRY... 1  Vietnam Vets: 9.7% of their generation. 2  9,087,000 military personnel served on active duty during the Vietnam Era (Aug. 5, 1964-May 7, 1975). 3  8,744,000 GIs were on active duty during the war (Aug 5, 1964 - March 28, 1973). 3,403,100 (Including 514,300 offshore) personnel served in the Southeast Asia Theater (Vietnam, Laos, Cambodia, flight crews based in Thailand, and sailors in adjacent South China Sea waters).
http://history-world.org/vietnam_war_statistics.htm
Effects of Agent Orange on Vietnam. In addition to the massive environmental impact of the U.S. defoliation program in Vietnam, that nation has reported that some 400,000 people were killed or maimed as a result of exposure to herbicides like Agent Orange.
http://www.history.com/topics/vietnam-war/agent-orange
Guenter Lewy in 1978 estimated 1,353,000 total deaths in North and South Vietnam during the period 1965–1974 in which the U.S. was most engaged in the war.
https://en.wikipedia.org/wiki/Vietnam_War_casualties
The Vietnam Conflict Extract Data File of the Defense Casualty Analysis System (DCAS) Extract Files contains records of 58,220 U.S. military fatal casualties of the Vietnam War. These records were transferred into the custody of the National Archives and Records Administration in 2008.
https://www.archives.gov/research/military/vietnam-war/casualty-statistics.html
Vietnam Vets: 9.7% of their generation. 9,087,000 military personnel served on active duty during the Vietnam Era (Aug. 5, 1964-May 7, 1975). 8,744,000 GIs were on active duty during the war (Aug 5, 1964 - March 28, 1973).
http://history-world.org/vietnam_war_statistics.htm
how many vietnam people were killed by us during that war ?
1,011,000 Vietnamese people were killed by the United States in the War. There were 1,011,000 Vietnam people killed by the U.S. during the Vietnam War.  There were 1,011,000 vietnam people killed by United State during that war.