This page has information on prerequisites, etc… for the Econ major: https://www.econ.berkeley.edu/undergrad/prospective/freshmen I recommend the video that is linked on that page. Also, you will get a lot of help at Orientation. My son is majoring in Econ. They advised him at orientation to take a lighter load first semester to get used to Berkeley. He took 15 units, including Calculus (Math 1A), Reading & Composition, 2 GEs and a one unit Freshman Seminar. He was advised to take Math 1A despite a 4 on the AP Calc AB exam, because Math 1B is supposedly quite rigorous. He was also advised to wait on Econ 1 until second semester. He is now a sophomore. His other 3 semesters he has taken 17-18 units. Mostly because he finds classes that he wants to take. He is done with his GEs and has 8 courses to take to be finished with the Econ major and a minor in Public Policy.