Read this article on How to Choose a University before you make your decision about which country to go for

Ranks don't always depict how perfect a university is Your choice depends on a lot of things - course, networking, opportunities, etc. Plus, US offers a higher range of options to students Whereas Singapore only has 4-6 well-known universities

There are a lot of factors involved- Which university you get into Course curriculum If you'll get a practical learning experience Job opportunities Use these points to make your decision In the end, you can also apply to both countries, given that you like the uni you're applying to

You can check out these universities- Harvard University Stanford University Johns Hopkins University Massachusetts Institute of Technology University of California, San Francisco University of California, Los Angeles

6.5 overall and 6 in each individual band

Depends on a lot of factors- Weather- Switzerland is colder Language- The subject you choose might not be taught in English, but French (depends on the course and university you choose) Cost- Switzerland is usually more expensive And more