Brazil reported 1,109 more coronavirus-linked fatalities on Sunday, while 602 more patients died in Mexico over the past 24 hours.
The death toll in Brazil reached 57,070, according to Health Ministry data.
Some 38,693 new cases were reported from Brazil, bringing the total to 1,313,667.
Sao Paolo is the worst hit region of the country, with 265,581 cases and 14,263 deaths.
The virus claimed 9,789 lives in Rio de Janeiro, while 108,803 people are infected, making the city the second worst hit in the country.
Brazil is defined as the epicenter of the epidemic in Latin America.
In May, at least 4.2 million people showed symptoms similar to COVID-19, according to Brazil Geography and Statistics Institute.
Mexico
The death toll in Mexico reached 26,381, according to Health Ministry data.
The number of cases surged to 212,802, with 4,410 additions in the last 24 hours.
More than 498,000 people have died in at least 188 countries and regions since the virus emerged in China last December.
More than 9.9 million cases have been reported worldwide, with recoveries exceeding 5 million, according to figures compiled by US-based Johns Hopkins University.
The US, Brazil, Russia, and India are currently the worst-hit countries in the world.
