While "third world" isn't a modern term and you should try to avoid it, it's also not correct by any means. If we consider 1st, 2nd, and 3rd world countries to

While "third world" isn't a modern term and you should try to avoid it, it's also not correct by any means. If we consider 1st, 2nd, and 3rd world countries to be analogous to high, medium, and low income countries, Brazil is easily a medium income country[1], and considered to be in the higher end of that bracket, for what it's worth. [1] https://data.worldbank.org/?locations=BR-XT https://data.worldbank.org/?locations=BR-XT