For nearly a decade, Dan Buettner has researched the places people live longest, healthiest and happiest.
For the fourth time in 45 years, the question of statehood is on the ballot in this American territory.
It’s never been approved but analysts say this time could be different because of tough economic conditions in Puerto Rico.
Some Puerto Ricans say the island can’t afford to remain a U.S. territory or become independent. The BBC’s Nick Davis reports from San Juan.