The mega-rich are moving. Here's where they're going.

Getty Images; Tyler Le/BI

• A record number of the global rich are adopting new countries as their primary residence.
• They cite political instability, tax laws, and quality of life as reasons for the move.
• A few unexpected destinations are luring ultra-high-net-worth individuals.

Andrew Rosener had already built a successful domain name brokerage when he and his wife found themselves asking a familiar question: Where do we want to live, not just work?

The answer turned out to be Portugal.