This study examines the impact of Christian–Muslim relations on social cohesion, political
stability, and economic development in Southern Kaduna, Nigeria, between 2000 and 2025.
The region, characterised by deep religious and ethnic diversity, has experienced recurring
intergroup tensions with significant implications for development. Using a mixed-methods
approach, the study draws on quantitative data from 2,198 respondents and qualitative data
from interviews and focus group discussions. Findings reveal that weak interfaith relations
significantly undermine social cohesion, promote political instability, and hinder economic
development. Statistical analysis using a one-sample t-test shows a mean score of 3.76,
indicating strong agreement among respondents, with results significant at p < 0.05. The
study concludes that sustainable development in Southern Kaduna is closely linked to the
quality of interreligious relations and recommends inclusive governance, economic
empowerment, and community-based peacebuilding.