As of January 2015, the average American spends about $1,200 a year on fast food. Americans consume fast food twice a week, spending, on average, $12.50 per meal. Seventy percent of Americans consume fast food up to three times a week, while 7 percent consume it on a daily basis.
The population of the United States, as of 2015, is 320 million people, so the total annual money spent on fast food in the United States is nearly $384 billion. Studies have found that Americans eat fast food because they find it more convenient than cooking at home or because fast food is very familiar.