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# 日本語

「◯◯パーセント」と「◯割◯分」は両方とも「◯◯％」を意味しますが、どちらを使うのが自然ですか。「◯割◯分」という表現を使いたいのですが、使う前にその言い方が九分九厘使わないものではないことを確かめた方がいいと思ったので、質問します。

# English

Both ◯◯パーセント and ◯割◯分 can mean ◯◯％. Which is the natural choice? I wanted to
use ◯割◯分 but I wanted to be sure that it is not an expression that is not used
anymore so I prefer to ask before using it.
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2016-04-15T12:05:33.607
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2016-04-16T07:02:27.853
2020-06-17T08:18:27.500
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question
word-choice
When talking about percents can I use ◯◯パーセント as well as ◯割◯分?
〇割 is commonly used. For example, この服を定価の一割安くします(I take ten percent off the
price of this piece of clothing.), 私の学校の二割の生徒は、英語が話せる(Twenty percent of the
students in my school can speak English).

However, I think 〇分 which means percent isn't very common. For example, we
don't say now "Five percent of the students in my school are Japanese" like
私の学校の五分の生徒は日本人だ.
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2016-04-15T13:05:24.270
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answer
If you only need one digit precision, for example 4割 is equally common to
40パーセント. In hasty conversations, パーセント is often shortened to パー (eg. 40パー).

If you need two digits precision, 4割5分 is no longer common today, and 45パーセント
is the normal choice.

Today, ○割○分(○厘) is used only in the following cases:

  * in a fixed expression 九割九分 (=almost certainly/always)
  * in baseball contexts to describe batting average of players (eg., ".321" is "3割2分1厘")
  * rarely in financial contexts to show interest rates
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2016-04-15T15:30:55.040
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answer