What is the ratio of guys to girls at Duke University?

The exact ratio of guys to girls (men to women) at Duke University fluctuates slightly from year to year. There's no single, publicly released, precise ratio. However, Duke generally has a roughly equal number of men and women undergraduates. You'll find that the ratio is close to 1:1, though it might lean slightly one way or the other in any given year. To find the most up-to-date figures, you would need to consult Duke's official enrollment statistics, typically found on their institutional website's admissions or student life sections.