Calorie Intake. The average worldwide daily calorie intake per person has increased from 2200 to 2800 calories since the early 1960s. The average daily calorie intake per person in the United States is 3688. This is about 86.4% more than the average daily calorie intake per person in Haiti. (Sources: UN Food and Agriculture Organization; World Health Organization) Find the average daily calorie intake per person in Haiti.