Identity plays an exceptionally significant and often foundational role in determining political participation in developing countries. Unlike many developed nations where class or ideology might be primary mobilizers, shared identities based on ethnicity, religion, language, caste, or region frequently serve as powerful bases for political organization and action.

These identities can mobilize citizens for electoral participation, protests, and social movements. Political parties in many developing countries are often formed along identity lines, appealing directly to specific ethnic, religious, or caste groups for support. For instance, in India, caste and religious identities profoundly influence voting patterns and the formation of political parties like the Bahujan Samaj Party. In Nigeria, ethnic and religious divisions (e.g., Hausa-Fulani, Yoruba, Igbo; Muslim-Christian) frequently shape political alliances, electoral outcomes, and resource allocation, leading to distinct patterns of participation and representation.

Identity can also be a source of both intense conflict and cooperation. While it can lead to exclusionary politics, civil strife, or even genocide (as tragically seen in Rwanda between Hutu and Tutsi identities), it can also foster solidarity and collective action among marginalized groups seeking greater inclusion and rights. Demands for affirmative action, regional autonomy, or recognition of cultural rights are often driven by identity-based political participation. Thus, identity is not merely a factor but often a central organizing principle of political life, shaping who participates, how they participate, and what political outcomes are pursued in developing nations.