As well as having dangerous social and political consequences, a Bolsonaro presidency would mark a massive shift for Brazil's economy, too.
Now that a judge has convicted Luiz Inacio da Silva of corruption and sentenced him him to almost a decade in prison, what's next for the country that loves him?
One of the world's most spectacularly unpopular president might yet make it through.
Brazil's president, who came to power after his ex-boss was impeached, now finds himself embroiled in corruption charges, which threaten to derail the economic recovery he has championed.
By exposing, prosecuting and sentencing Brazil's corrupt politicians, prosecutors, judges and citizens are draining the swamp that has overwhelmed the country for so long.
Luis Inacio 'Lula' da Silva's center-left policies helped lift millions of Brazilians out of poverty, earning him the title 'leader of the poor.' It's a legacy worth preserving.
At one point, it looked like the games could be cancelled. But the carnival spirit has prevailed.
The Olympics may give Brazilians a respite from their perfect storm of recession, corruption and political dysfunction, but it won't last long.
Only a few years ago, Brazil was considered the global economy's shining star. How did it fall so far so fast?
With an ongoing impeachment process and a deep economic recession, the host nation is on thin ice ahead of one of the world's largest sporting mega-events.
Whatever you call it, the new leader, Michel Temer, has an opportunity to return Brazil to policies that promote growth through fiscally sound social inclusion. Can he do it?
Rousseff is about to go on trial for allegedly borrowing $11 billion to fund social programs and conceal a budget deficit. Why is that a crime?
Dilma Rousseff is the victim of her government's failures, and a vicious opposition.
Conspiracy, betrayal and prophecies of doom have all played their part in Dilma Rousseff's looming downfall.
Brazilian politics may be in turmoil but its economy is due an upswing.