<p>For undergrad, McGill has a much higher percentage of international students (especially from U.S., Europe and Asia) than Wisconsin (which attracts mainly students from Wisconsin and a few neighboring Midwestern states).</p>
<p>Wisconsin’s graduate student population is more geographically diverse though.</p>
<p>Last but not least, McGill has a much stronger international reputation than Wisconsin. And Montreal is much more cosmopolitan than Madison.</p>