After the first round in the Brazilian presidential elections - try our recommended research resources.
A good starting point are the facts on the BBC website.
The Council of the Americas also has good introduction and up to date blog postings in its 2014 elections guide. There is also the IFES basic guide.
For official information on the electoral system see the official Electoral tribunal which has a history and details about current regulations in English or Portuguese
For local newspaper/ news service coverage with analysis of the polls and results try Folha de s Paolo
Carta Capital blogs and news.
Wilson Center has created a Brazil elections portal which has blogs, news stories and analysis
Latin American Monitor provides brief free risk analysis for business of election outcomes.
The Conversation- UK academic analysis
Council on Hemispheric Affairs USA
CSIS strategic analysis on expectations for US foreign policy
Further foreign policy analysis by Council on Foreign Relations
Celag analysis pre-election. El Centro Estratégico Latinoamericano de Geopolítica (CELAG)
Latin American Bureau blog commentary.