rapid economic growth; high economic growth
Typically refers to Japan's post-WWII high-growth era (mid-1950s to early 1970s). Often used in historical or economic contexts.
See also: 高度経済成長
During the period of rapid economic growth, many Japanese companies grew rapidly.
高度成長の時代は、人々の生活を大きく変えた。
The era of high economic growth dramatically changed people's lives.