For those seeking the information on the best Law departments in the world, we've compiled a list of the twenty best departments for 2015.

Knowing the importance of rankings to Law students in the United States especially, it's important to consider the reputation of an institution before you make decisions about where to study. To this end, we've reviewed a number of rankings of international Law departments to compile a list of those departments with the very best reputations. For a European perspective, you can refer to our previous article on the twenty best Law Departments within Europe.

1. Harvard Law School, Harvard University, United States
2. Faculty of Law, University of Cambridge, United Kingdom
3. Law Faculty, University of Oxford, United Kingdom
4. Yale Law School, Yale University, United States
5. Stanford Law School, Stanford University, United States
6. NYU School of Law, New York University, United States
7. Melbourne Law School, University of Melbourne, Australia
8. Department of Law, London School of Economics, United Kingdom
9. Columbia Law School, Columbia University, United States
10. University of Chicago Law School, University of Chicago, United States
11. UC Berkeley School of Law, University of California, Berkeley, United States
12. Faculty of Law, University College London, United Kingdom
13. Sydney Law School, University of Sydney, Australia
14. UNSW Law, University of New South Wales, Australia
15. ANU College of Law, Australian National University, Australia
16. Berkeley Law, Berkeley University, United States
17. University of Pennsylvania Law School, University of Pennsylvania, United States
18. Georgetown Law, Georgetown University, United States
19. Faculty of Law,  University of Hong Kong, Hong Kong
20. Faculty of Law, National University of Singapore, Singapore

Compiled from the QS World University Rankings and Guardian University Guide Rankings.