<p>Acceptance rate isn’t necessarily lower for undergrad than grad. It completely depends on the department and graduate program. For example, in the History department “Our entering class of 20–25 students is drawn from a pool that typically contains over 400 applications.” This looks like an acceptance rate between 5%-10% depending upon yield. And the average calibre of applicants for graduate programs is way higher than undergrad, making it that much more selective.</p>