Vietnam has a population of 19 million. Out of 19 million, over 2 million Vietnamese were killed, 5.3 million were injured and 10 million became refugees according to the US government figures.
U.S Military had the most destructive force, and advanced technology than any military in the history during the Vietnam War, thus they were the most superior country. The real war in Vietnam was typified by millions of men, women and children driven into refugee camps, and entire village being destroyed completely.