Humanities, arts and education courses are generally cheaper, while subjects such as medicine and engineering are more expensive. If you want to study at the graduate level, tuition rates are usually higher and costs vary by program. I recently studied English philology at the University of Athens and also participated in a postgraduate course in translation. Classes tend to be an academic challenge with a lot of homework, and many students work part-time to help pay for their studies.
When allocating money before leaving home, recognize a critical semantic nuance or, rather, a clarification of the terms. The government doesn't expect you to be able to pay for all your years of education the day you get your visa, but it does expect you to show where the money will come from. I would like to study American literature in New York, but I don't have that much money for studies. A selection of articles on study abroad by experts and students.
I don't want to ask for the exact amount because you can't be specific, but if you could tell me how much money I'll need to succeed with undergraduate education in the U.S. UU. (So I can get a clearer point of view). You should save some money for your purchases, social activities, and emergency situations.