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How many Jōyō Kanji are identical to simplified Hanzi?

If we need to define a restriction for the simplified Hanzi, I would suggest
[List of Frequently Used Characters in Modern
Chinese](http://en.wikipedia.org/wiki/List_of_Commonly_Used_Characters_in_Modern_Chinese).
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2015-03-13T05:21:40.017
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2015-03-14T18:18:57.673
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kanji chinese
How many Jōyō Kanji are identical to simplified Hanzi?
Since I have no knowledge of the subject, I am quoting from an academic paper:

[日本・中国・台湾・香港の基礎漢字1945字字体一覧表の作成に向けて](https://www5.cuhk.edu.hk/jas/jas_media/staff/kojima/10-1945-word-
style.pdf) (香港中文大学日本研究学科、Senior Instructor、兒島慶治)

According to the author of this paper, the number is 1,165. (See page 4.)

Note that there were 1,945 [常用漢字]{じょうようかんじ} when this paper was written.
Currently, that number has increased to 2,136.

So, the current number you are looking for would be a little over 1,165.

Also, this number from the paper includes minor differences as well. The paper
notes (page 5):

>
> 更に極論すれば、例えば日中間で字体が異なるとされた約40％の漢字の中にも、「为(為)、异(異)、伟(偉)、卫(衛)、杰(傑)、洁(潔)、听(聴)」のように字体の差異が顕著なものと、「低(低)、唐(唐)、德(徳)、毒(毒)、肺(肺)、反(反)、鼻(鼻)、隆(隆)」のようにかなり微妙な差のものが含まれている。

(See also: [screenshot of the above quote from the
paper](https://i.stack.imgur.com/Vdae6.png))

On page 6, the paper estimates that about 170 of the characters that are
different only display minor differences. It also notes that "minor
difference" is not a clearly defined objective term:

>
> まだ全体的な整理を終えていない中間的な整理状況ではあるが、日中間での字体が異なるとされた771字中、168字（約22％）の字体差の低い字種があると言える。この整理においては、“糸”編の簡略は字体差が低いと見て数えたが、“言”・“金”・“魚”・“貝”編等は字体差がかなりあるとして、168字には整理しなかった為に、今後の整理如何によっては、更に字体差が低いと部類分けられる字種が増えるものと思う。
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2015-03-13T10:47:22.150
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answer