Brazil is a federal republic that consists of 26 states and the federal sector (capital Brasilia). The President is normally elected through direct popular elections for a period of four years. (The President may be reelected for a second and final mandate, in accordance with the Brazilian Constitution). The Constitution of the country defines the powers of the President of the Republic: appointing ministers, directing foreign and internal policy and proposing laws. The president also serves as commander-in-chief of the armed forces.
• The President is been assisted by a Consultative Council consisting of: Vice President, Minister of Justice, Speaker of the House of Representatives, President of the Senate, majority and minority heads of the House and Senate, as well as two elected members of each Council and two other members appointed by the President to represent the Government to Congress.
• Legislative Authority (Congress): It consists of:
1- The Senate : The number of seats in the Senate 81 seats with a rate of 3 seats for each state or territory, and the conditions for the candidate; to be born in Brazil and over the age of 35 years; The term of the senator extends eight (8) years,
2. The House of Representatives (Parliament): It includes 513 members. The candidate for this council is required to exceed the 21-year-old candidate. The share of the state or territory of the members shall be calculated according to the number of its inhabitants. Candidates are elected for a term of four years and are eligible to compete for other mandates.
judicial authority :
• The Supreme Federal Court or the Constitutional Court is the highest judicial authority in the country, then comes the Supreme Court of Justice. The Constitutional Court has 11 judges with the title of Minister. The judiciary in Brazil is completely independent of the executive and legislative authorities. Its decisions are discussed in accordance with the legal rules established by the country's constitution. The hierarchy of the judiciary in Brazil includes federal and provincial courts so that the Supreme Courts can adjudicate cases that are insolvent after appeal, or in cases concerning holders of immunities and privileges such as members of Congress, ministers, the President and others.
• Political system: Brazil consists of 27 administrative units of 26 semi-autonomous states plus one federal region (Federal District). Each state has its own legislative, executive and judicial institutions, similar to federal government institutions. Brazil's elections law defines the number of members representing each state in the federal legislature, that’s according to the terms that combine the criteria of the proportional representation with the standards criteria of federal system, for example 7 Brazilian states represented by only 8 deputies As a minimum of representation at the state level, while, only the state of São Paulo is represented by 70 deputies (a minimum), and here we notice the difference in proportional representation according to the population and the economic weight of the state.