Abstract
This study investigates how social media marketing influences consumer behavior toward FMCG (Fast-Moving Consumer Goods) products in the Madurai district of Tamil Nadu, India. Utilizing a mixed-methods approach with survey data and statistical analysis, the research identifies key factors such as brand awareness, social influence, and purchase intention. Factor analysis reveals underlying dimensions of consumer response, while descriptive statistics highlight usage patterns. The findings suggest that targeted social media campaigns significantly affect consumer perception and buying habits. Recommendations for marketers include personalized engagement strategies and content optimization.