In today's interconnected world, intercultural competence (IC) is essential for navigating diverse cultural contexts across education, professional practice, and society. Yet this field still lacks a systematic, data-driven synthesis that maps its intellectual evolution. This study addresses that gap by applying bibliometric techniques to 2,178 WoS-indexed articles published up to December 31, 2024, providing comprehensive quantitative mapping of IC research to date and illuminating both its historical foundations and future frontiers. Co-citation analysis revealed four thematic clusters representing the intellectual foundations of the field: (a) theoretical frameworks and assessment models; (b) multicultural counseling competence and cultural responsiveness in psychology; (c) pedagogical integration in language education; and (d) developmental and experiential pathways of competence acquisition. Co-word analysis, in turn, identified four conceptual clusters: competence development and adaptation, cultural responsiveness in professional practice, intercultural communication in language learning, and multicultural pedagogies in teacher education. Conceptually, co-citation maps the intellectual base by showing how foundational works are connected through shared citations. In contrast, co-word captures the field's evolving discourse by revealing how key concepts co-occur and converge across studies. The two analyses link the structural foundations and semantic dynamics of intercultural competence research, illustrating how established theoretical traditions inform emerging directions in this field. While scholarship remains grounded in seminal models such as Byram's framework, Bennett's Developmental Model of Intercultural Sensitivity, and Deardorff's process model, it is moving toward more dynamic, context-contingent, and digitally mediated understandings. This study provides a systematic knowledge map that strengthens the theoretical understanding of intercultural competence and informs practical applications in education, counseling, and organizational development.
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