Customary law in Nigeria is a living, community-based legal system with these defining characteristics:
It adapts to new social realities—economic changes, technology, external influences—without formal legislative amendment. Elders interpret norms in current contexts.
Dispute resolution is participatory. Parties, families, and village assemblies engage in dialogue. Decisions reflect collective wisdom, not just a judge's ruling.
The goal is restoring harmony, not merely assigning blame or punishment. Mediation, compensation, and apology are preferred over incarceration.
Customary law embodies the community's shared values—respect for elders, kinship obligations, gender roles, rites of passage. These norms are the law.
It transmits language, rituals, land tenure systems, and oral history across generations, acting as a cultural archive.
By reinforcing mutual obligations and shared identity, it sustains community solidarity in the absence of strong state institutions.
Nigeria's 250+ ethnic groups each have distinct customary laws. What applies in Igboland may differ in Yorubaland or the Hausa-Fulani emirates. Courts apply the customary law of the parties' community.
Customary law is recognized by the 1999 Constitution (Section 277) and the Evidence Act, provided it is not "repugnant to natural justice, equity, and good conscience" or incompatible with written law.