Federal government

• President: Olusegun Obasanjo (PDP)
• Vice President: Atiku Abubakar (PDP)
• Senate President: Anyim Pius Anyim (PDP)
• House Speaker: Ghali Umar Na'Abba (PDP)
• Chief Justice: Muhammad Lawal Uwais

Governors

• Abia State:
• Adamawa State:
• Akwa Ibom State:
• Anambra State:
• Bauchi State:
• Bayelsa State:
• Bendel State:
• Benue State:
• Borno State:
• Cross River State:
• Delta State:
• Eastern Region:
• Ebonyi State:
• Edo State:
• Ekiti State:
• Enugu State:
• Gombe State:
• Gongola State:
• Imo State:
• Jigawa State:
• Kaduna State:
• Kano State:
• Katsina State:
• Kebbi State:
• Kogi State:
• Kwara State:
• Lagos State:
• Nasarawa State:
• Niger State:
• Ogun State:
• Ondo State:
• Osun State:
• Oyo State:
• Plateau State:
• Rivers State: Peter Odili (PDP)
• Sokoto State:
• Taraba State:
• Western State:
• Yobe State:

January

• January 27 - Lagos Armoury Explosion

May

October

• October 10 — The International Court of Justice (ICJ) ruled against Nigeria in favor of Cameroon over the disputed oil-rich Bakassi peninsula territory.

November

• November — Religious riots erupt over the Miss World pageant hosted in Abuja; The pageant is subsequently moved to London.