The average daily calorie intake can vary based on factors such as age, gender, activity level, and overall health. However, general guidelines suggest the following:
- Adult women: about 1,800 to 2,400 calories per day.
- Adult men: about 2,200 to 3,000 calories per day.
Given the options you provided, 2,500 calories is often cited as a general average for adults, especially men. Therefore, the most appropriate answer from your list would be 2,500 calories.