Translation guide
Expresses the idea of something increasing or expanding quickly in size, number, scale, or intensity. Japanese uses different words depending on what is growing—economy, population, plants, business, etc.
Describing rapid growth of an economy, company, market, or industry.
The most direct and common term for rapid growth in business, economic, or organizational contexts. Neutral and widely used.
That company achieved rapid growth.
The IT industry is growing rapidly.
Specifically refers to high economic growth, often used for Japan's post-war economic miracle. Slightly formal.
Japan experienced a period of rapid economic growth.
Emphasizes rapid expansion in scale or scope, often for markets or business operations.
Overseas markets are expanding rapidly.
Literally 'grow at a rapid pace.' Used in business news or reports.
Startups are growing at a rapid pace.
Describing a rapid rise in population, numbers, or statistics.
Describing plants, animals, or children growing quickly in size.
Can also be used for biological growth, though less common than for business. Neutral.
This plant grows rapidly.
Describes healthy, vigorous growth, often for children or plants. Has a positive, natural nuance.
The children are growing up quickly and healthily.
Implies rapid, noticeable growth in height or length, often for plants or children's height.
The sunflowers are growing rapidly.
Describing rapid growth of non-physical things like influence, popularity, or tension.
The phrase 'rapid growth' cannot always be translated word-for-word. For example, 'rapid growth of a city' is not 都市の急成長 but more naturally 都市の急拡大 or 急激な発展 depending on context. Choose the term that matches the type of growth.
急成長 (kyūseichō) is for growth in scale, value, or development (companies, economies). 急増 (kyūzō) is for a surge in countable numbers (population, cases). 急拡大 (kyūkakudai) is for expansion in area, scope, or influence (markets, power).
The number of infected people surged.
Recently, the number of tourists has been increasing rapidly.