At stake in this election:

• 135 seats in the National Assembly (Assemblée Nationale)

Description of government structure:

• Chief of State: President Denis SASSOU-NGUESSO *
• Head of Government: President Denis SASSOU-NGUESSO
• Assembly: Congo (Brazzaville) has a bicameral Parliament () consisting of the Senate (Sénat) with 66 seats and the National Assembly (Assemblée Nationale) with 137 seats.

* The president is both the chief of state and head of government.
The President is elected by absolute majority vote to serve a 7-year term, renewable once.

Description of electoral system:

• The President is elected by absolute majority vote to serve a 7-year term.
• In the Senate (Sénat) 66 members are indirectly elected by regional governing councils to serve 6-year terms*. In the National Assembly (Assemblée Nationale) 137 members are elected by plurality vote in single-member constituencies to serve 5-year terms.

* 66 members are elected by indirect vote by district, local, and regional councils to serve 6-year terms. One-half of the Senate is renewed every 3 years.

Main parties in the Second Round of the electoral race:

• Party: Congolese Labor Party / (PCT)
  • Leader: N/A
  • Seats won in last National Assembly election: 46​
  • Seats won in this National Assembly election: 89
• Party: Congolese Movement for Democracy and Integral Development / (MCDDI)
  • Leader: N/A
  • Seats won in last National Assembly election: 11
  • ​Seats won in this National Assembly election: ​7
• Party: Rally for Democracy and Social Progress / (RDPS)
  • Leader: N/A
  • Seats won in last National Assembly election: 2
  • ​Seats won in this National Assembly election: 5
• Party: Movement for Active Renewal / (MAR)
  • Leader: N/A
  • Seats won in last National Assembly election: 5
  • ​Seats won in this National Assembly election: ​4
• Party: Citizens' Rally / (RC)
  • Leader: N/A
  • Seats won in last National Assembly election: 1​
  • Seats won in this National Assembly election: ​3
• Party: Movement for Unity, Solidarity, and Labor / (MUST)
  • Leader: N/A
  • Seats won in last National Assembly election: N/A
• Party: Patriotic Union for Democracy and Progress / (UPDP)
  • Leader: N/A
  • Seats won in last National Assembly election: 2
  • ​​Seats won in this National Assembly election: 2
• Party: Club 2002 - Party for Unity and the Republic / (Club 2002 - PUR)
  • Leader: N/A
  • Seats won in last National Assembly election: 3​
  • Seats won in this National Assembly election: ​1
• Party: Perspectives and Realities Club / (CPR)
  • Leader: N/A
  • Seats won in last National Assembly election: N/A​
  • Seats won in this National Assembly election: ​1
• Party: Republican and Liberal Party / (PRL)
  • Leader: N/A
  • Seats won in last National Assembly election: N/A​
  • Seats won in this National Assembly election: 1
• Party: Union of Democratic Forces / (UFD)
  • Leader: N/A
  • Seats won in last National Assembly election: 1​​
  • Seats won in this National Assembly election: 1
• Party: Union for the Republic / (UR)
  • Leader: N/A
  • Seats won in last National Assembly election: 2
  • ​Seats won in this National Assembly election: ​1
• Party: Pan-African Union for Social Democracy / (UPADS)
  • Leader: N/A
  • Seats won in last National Assembly election: 11​
  • Seats won in this National Assembly election: 7
• Independent(s): Other
  • Leader: N/A
  • Seats won in last National Assembly election: 37
  • ​Seats won in this National Assembly election: 12

Main parties in the First Round of the electoral race:

• Party: Congolese Workers Party (PCT) / Parti congolais du travail
  • Leader: Denis SASSOU-NGUESSO
  • Seats won in last National Assembly election: 53
• Party: Congolese Movement for Democracy and Integral Development (MCDDI) / Mouvement congolais pour la dÈmocratie et le dÈveloppement intÈgral
  • Leader: Bernard KOLELAS
  • Seats won in last National Assembly election: 11
• Party: Union for Democracy and Republic (UDR-Mwinda) / Union pour la democratie et la Republique-Mwinda
  • Leader: N/A
  • Seats won in last National Assembly election: 6
• Party: Pan-African Union for Social Democracy (UPADS) / Union panafricaine pour la democratie sociale
  • Leader: N/A
  • Seats won in last National Assembly election: 8

Population and number of registered voters:

• Population: 3,800,610 (July 2007 est.)
• Registered Voters: 1,733,943 ( 2002 )