https://www.cnbc.com/2018/04/18/new-eu-privacy-law-facebook-is-changing-terms-of-service.html

If a new European law restricting what companies can do with people's online data went into effect tomorrow, almost 1.9 billion Facebook users around the world would be protected by it. The online social network is making changes that ensure the number will be much smaller.

Facebook members outside the United States and Canada, whether they know it or not, are currently governed by terms of service agreed with the company's international headquarters inIreland.