高こう度ど成せい長ちょう期き

noun

period of rapid economic growth; high-growth era

Often refers specifically to Japan's post-WWII economic boom (roughly mid-1950s to early 1970s).

• 日本にほんの高こう度ど成せい長ちょう期きは、1950年ねん代だい半なかばから1970年ねん代だい初はじめまで続つづいた。

  Japan's period of rapid economic growth lasted from the mid-1950s to the early 1970s.

• 高こう度ど成せい長ちょう期きには、多おおくの地ち方ほうから都と市しへ人じん口こうが移い動どうした。

  During the high-growth era, many people moved from rural areas to cities.