> Western countries at least might theoretically not spy on their own citizens but the exchange data with partners intelligence services.
Hoping that this is true, moving to services from one’s home country would make some sense. Of course, this is more easily possible for people from larger countries than, say, Luxembourg.
Encryption is OK but doesn't solve the problem. There's always metadata and whom can your trust with your encryption? You have to assume that hardware and software you use has backdoors. Mobile phones for example has even official backdoors, your SIM card can be remotely changed and so on …