The party system that Nigeria operated in the aborted Third Republic is

Nigeria operated a two-party system during the aborted Third Republic. This system involves having only two major political parties that dominate the political landscape, often leading to simpler choices for voters. In the case of Nigeria's Third Republic, the government officially sanctioned and recognized two political parties:

• Social Democratic Party (SDP)
• National Republican Convention (NRC)

In this system, both parties competed for political power, emulating a structure seen in several Western democracies, such as the United States. The goal was to create a more stable and efficient political environment by reducing the complexities and conflicts that can arise from multiple parties. Unfortunately, this attempt was short-lived because the Third Republic was prematurely ended by a military coup before the system could become entrenched.