<p>From the U of C:</p>
<p>(college.uchicago.edu/about<em>the</em>college/facts/shtml)</p>
<p>Top Seven Majors by Enrollment</p>
<pre><code>* Economics: 440 (8.3%)
- Biological Sciences: 289 (5.5%)
- Political Science: 216 (4.1%)
- English Language/Literature: 165 (3.1%)
- Mathematics: 178 (3.4%)
- History: 135 (2.6%)
- International Studies: 127 (2.4%)
</code></pre>
<p>In this case, first-years and undeclared majors are not counted, so the percentages are much lower.</p>