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<p>The usual minimum requirement is a year of calculus and a semester of statistics or something like that.</p>
<p>But if you want to go to graduate school in economics or go into quantitative finance or something like that, take the full two years of lower division math at community college as if you were a math major. After transfer, you will want to take the math-intensive version of intermediate micro/macro economics and some additional upper division math and statistics courses, as well as economics courses. (An economics graduate program is likely to prefer a math major with a few math-intensive economics courses over a typical economics major with just a year of calculus.)</p>