TL;DR: China's at number one.
http://www.businessinsider.com/hsbcs-list-of-best-countries-for-expats-2013-10?op=1
Then again, while it may be number one on at least a few lists out there, this is HSBC we're talking about here, so take it with a grain of salt.

http://www.businessinsider.com/hsbcs-list-of-best-countries-for-expats-2013-10?op=1
Then again, while it may be number one on at least a few lists out there, this is HSBC we're talking about here, so take it with a grain of salt.