Digital Nostalgia in Generation Z: Exploring the Motivations Behind Dreamcore and Y2K Revival

The rapid emergence of nostalgia aesthetics, particularly Dreamcore and Y2K, has become a significant cultural phenomenon. The questionnaire adopts a semi-structured approach featuring clear conceptual definitions to ensure respondent comprehension, and is designed based on four dimensions: behavioral dimension, psychological motivations, sociocultural context, and belongingness. Based on these four dimensions, the study reveals how social pressure, globalization, and digital platforms affect Generation Z's love for these aesthetics. This study also points out that nostalgia stems from the desire to regain the sense of security and positivity of childhood, because Dreamcore and Y2K fashion help them temporarily escape from daily pressures. Nostalgic aesthetics has indeed become a mechanism for coping with intergenerational anxiety and uncertainty. Globalization has also increased the accessibility and popularity of nostalgic styles. At the same time, nostalgic aesthetics also cultivate a sense of belonging among subculture groups, and social media is its main expression platform.