For this still developing country, the implications of the reverse migration are potentially vast.
The last time the home evacuated for a hurricane, only for a few days, one woman died of a heart attack during the reverse migration.
With unemployment in Brazil's six largest cities now averaging 11.2 percent, according to the government statistics agency, a reverse migration is taking place.
By the 1990s, reverse migration started as families started returning home.
The most common strategy for leaving an estuary is reverse tidal vertical migrations.
Sometimes a reverse migration takes place a decade or more after older couples retire to the South.
But now this rich, arable land is drawing a reverse migration.
Had she helped to engineer a reverse migration that would leave her high and dry?
The Middle East, accounting for roughly 60% of exports, is such a major market because there was a reverse migration in the 1950s.
But everyone interviewed here predicted that the reverse migration will grow.