Official name
Federative Republic of Brazil
South America
ISO 3166-1


Rio de Janeiro was the 2nd most populous city in Brazil, after São Paulo (2010 data). There were 5,940,224 people residing in the city of Rio de Janeiro. In 2017 the metropolitan area around Rio de Janeiro had a population of more than 12 million.

Rio de Janeiro is one of the most visited cities in the Southern Hemisphere and is known for its beaches, famous landmarks, carnival.

Porto Alegre is the capital and largest city of the Brazilian state of Rio Grande do Sul. its population of 1,481,019 inhabitants (2016) makes it the tenth most populous city in the country and the centre of Brazil's fifth largest metropolitan area, with 4,405,760 inhabitants (2010).

The city became famous for being the first city that implemented participatory budgeting.

Datapoa is the open data platform of Porto Alegre where citizens can build on the available data to develop smart solutions for the city, actively participating in the urban development and improvement of their communities.

The city of Rio de Janeiro is regularly hit by natural disasters caused by bad weather conditions such as torrential rains, floods, and landslides. In the “favelas”, the poor and steep neighbourhoods of the city, this can often lead to a deadly outcome.

Curitiba is a Brazilian city with approximately 1.9 million people and it is the capital of the Paraná state. The urban growth rate was strengthened by the arrival of a lot of European immigrants throughout the nineteenth century: mainly Germans, Poles, Ukrainians and Italians, which contributed to the cultural diversity that remains today.

Curitiba is the capital and largest city of the Brazilian state of Paraná. The city sits on a plateau at 932 metres (3,058 ft) above sea level. Curitiba's population numbered approximately 1,879,355 people as of 2015, and the had a total population of over 3.2 million (estimate 2010).

Curitiba is an important cultural, political, and economic centre in Latin America. The city receives more than two million tourists every year.