It surely is correct, because few other than the Brazilians who left Brazil 10 or so years ago in search of jobs, speak Portuguese, most now returning are Brazilians and do not need a work visa. If 9 out of 10 returning are Brazilians, then your 70K becomes 700,000 which is even far greater* than the data I gave, so perhaps only 7 or 8 out of 10 now coming to Brazil are Brazilians returning. Also some non-Brazilians, like me, don´t need work visas either, just to retire in Brazil. I did have a visitor´s visa each time I came to check out conditions here, but now am a "permanent resident" with no visa of any type. * My 550,000 (post 599) was the total from three different countries, not just the USA. The migration from Brazil to USA before the 2008 economic problems has definitely reversed now as my local paper reported at least a year ago but actual numbers are hard to document.