Korean Wave
The Korean Wave (Hangul: 한류; Hanja: ; RR: Hallyu; MR: Hallyu, 
listen , a neologism literally meaning 'flow of Korea') is the increase in global popularity of South Korean culture since the 1990s. First driven by the spread of K-dramas and K-pop across East, South and Southeast Asia during its initial stages, the Korean Wave evolved from a regional development into a global phenomenon, carried by the Internet and social media and the proliferation of K-pop music videos on YouTube.
Since the turn of the 21st century, South Korea has emerged as a major exporter of popular culture and tourism, aspects which have become a significant part of its burgeoning economy. The growing popularity of Korean pop culture in many parts of the world has prompted the South Korean government to support its creative industries through subsidies and funding for start-ups, as a form of soft power and in its aim of becoming one of the world's leading exporters of culture along with Japanese and British culture, a niche that the United States has dominated for nearly a century.
...
Wikipedia
listen , a neologism literally meaning 'flow of Korea') is the increase in global popularity of South Korean culture since the 1990s. First driven by the spread of K-dramas and K-pop across East, South and Southeast Asia during its initial stages, the Korean Wave evolved from a regional development into a global phenomenon, carried by the Internet and social media and the proliferation of K-pop music videos on YouTube.