rapid economic growth; high economic growth
Refers specifically to Japan's period of exceptionally fast economic expansion from the mid-1950s to the early 1970s. Often used in historical, economic, or social contexts.
During the period of rapid economic growth, many people moved from rural areas to cities.
Japan's high economic growth was supported by export-oriented industrial policies.
Compound of 高度 (high degree) + 経済 (economy) + 成長 (growth). The term became fixed in Japanese to describe the specific post-war boom period.