How to Say "Prosperity" in Japanese

繁栄

han'ei[hã̠ɰ̃e̞ː]

The English phrase "prosperity" is expressed in Japanese as 繁栄 (han'ei).

繁栄 represents the notion of prosperity, growth and flourishing.

Meaning: condition of being prosperous (noun)

How does it change in a sentence?

To use the concept as a verb, you add the verb する to the noun, resulting in 繁栄する (to prosper or to flourish).

While 繁栄 is used for nations and eras, Japanese people often use the word 景気 when talking about the 'prosperity' of the economy. 景気 literally refers to the 'spirit' or 'mood' of the market.
The first character of 繁栄, 繁, is also used to describe things that are 'complicated' or 'cluttered'. This links the idea of prosperity to a density of growth and a richness of detail.
If you use 繁栄 to describe a person's small business, it might sound strangely grandiose, as if you are describing the rise of a great dynasty.

国家の繁栄は市民の手にかかっている。
The prosperity of a country depends upon its citizens.
The first sentence shows how the prosperity of a country relates to its citizens using 繁栄.
Tatoeba #173102 by bunbuku, translation #241370 by CM
我が国の繁栄
Prosperity of our country
The second sentence is a phrase describing the prosperity of one's own country using 繁栄.
Wiktionary
当社は繁栄しており、国内外で成功を収めました。
Our company has prospered and achieved success both domestically and internationally.
この地域は観光業が栄えています。
The tourism industry thrives in this region.
このレストランは繁盛していて、いつも行列ができています。
This restaurant is prosperous and always has a line waiting.
この地域では農業が盛んで、新鮮な野菜がたくさん手に入ります。
Agriculture thrives in this area, and you can find plenty of fresh vegetables.
経済の繁栄を願っています。
Keizai no han'ei o negatte imasu.
I pray for the prosperity of the economy.

Yota and Misaki are discussing a history book about ancient cities.

陽太 Yota

昔の都はすごい繁栄でしたね。
Mukashi no miyako wa sugoi han'ei deshita ne.
The old capital was in a state of great prosperity, wasn't it?
美咲 Misaki

はい、貿易でとても豊かだったそうです。
Hai, boueki de totemo yutaka datta sou desu.
Yes, I heard they became very wealthy through trade.
陽太 Yota

今の時代に繁栄を再現するのは難しいです。
Ima no jidai ni han'ei o saigen suru no wa muzukashii desu.
It is difficult to recreate that prosperity in this day and age.
美咲 Misaki

でも、新しい形の繁栄があると思います。
Demo, atarashii katachi no han'ei ga aru to omoimasu.
But I think there is a new form of prosperity.

Sources

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