The new single 'Wildest Dreams' is out now in most countries, however there are some exceptions:

In Canada, France and Sweden it's out tomorrow (the 2nd) and in Japan it's Wednesday 3rd September.

The following countries aren't releasing the single:
New Zealand, Indonesia, Korea, Malaysia, Singapore, Thailand, Bulgaria, Croatia, Argentina, Brazil, Chile, Columbia, Mexico, USA, Hungary, Iceland, Russian, Slovenia and South Africa.

All is not lost however! You can order the singles from IM.com's favourite record shop What Records, but please hurry as this limited edition single is selling fast and when they're gone, they're gone!