Families in Spain traditionally cared for elders at home, so assisted living facilities are a relatively recent development. However, since most women are now working and Spain’s population is aging, senior care residencies are proliferating rapidly. All along the Mediterranean coast, developers are responding to a growing market by building “senior resorts”...

There have long been Mexican retirement homes in expat havens like Lake Chapala or large cities like Mexico City. But now facilities are becoming increasingly sophisticated. To tap into the senior market—both in Mexico and in the U.S.—savvy developers are building developments in Mexico that are senior-friendly.