Nigeria has a federal republic system of government. The federal power includes legislative, executive and judicial powers.
The legislative powers are vested in parliament, which is bicameral and includes the senate and the house of representatives. The house of representatives consists of 360 members, who are directly elected for a term of four years. The senate has a statutory requirement of 109 members, directly elected for a term of four years.
Nigeria has a multi-party system and there are 50 political parties, with the three main parties being:
· Peoples Democratic Party (PDP)
· All Nigeria Peoples Party (ANPP)
· Action Congress (AC)
(Source:nigeria-law.org, fco.gov.uk, IPU)
Regulatory environment
Nigeria’s economic freedom score is 56.7, making its economy the 111th freest in the 2011 Index of Economic Freedom. Nigeria ranks 18th out of 46 countries Sub-Saharan Africa region. Its overall score is lower than world average.

(Source:Heritage.org)
Corruption perception
The Corruption Perceptions Index (CPI) is a survey to measure the perceived level of corruption across countries worldwide. Nigeria is ranked 134th on this list which indicates that the corruption levels in the public departments in Nigeria is fairly high.
Nigeria’s CPI rankings have improved since 2009 – when it was ranked 130th with a score of 2.5 which indicates the perceived levels of corruption have increased in Nigeria.
(Source:transparency.org)
Freedom of information
Nigeria is ranked 145th in the World Press Freedom Index 2010 with a score of 51.50 indicating that the media in Nigeria is restricted. (Source: rsf.org)
Newspapers
· The Guardian
· The Champion
· The Punch
· New Nigerian
· Daily Trust
· Leadership
· This Day
· The Daily Sun
(Source: BBC)
Judicial system
The judiciary structure in Nigeria consists of:
· Supreme Court of Justice
· Courts of appeal
· the Federal High Court
· High Court of the Federal Capital Territory
· High Court of a State
· Sharia Court of Appeal of the Federal Capital Territory
· Sharia Court of Appeal of a State
· Customary Court of Appeal of the Federal Capital Territory
· Customary Court of Appeal of a State
· Other courts
The Supreme Court is the highest court of justice. The Supreme Court includes the Chief Justice of Nigeria and other judges.
(Source: nigeria-law.org)