Substitution cipher

Substitution cipher - method of encoding by which units of plaintext are replaced with ciphertext, according to a fixed system; the "units" may be single letters (the most common), pairs of letters, triplets of letters, mixtures of the above, and so forth. Article “Substitution cipher” in English Wikipedia has 44.6 points for quality (as of July 1, 2026). The article contains 10 references and 13 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 4.95 points.

This article has the best quality in Chinese Wikipedia. However, this article is the most popular in English version.

Since the creation of article “Substitution cipher”, its content was written by 206 registered users of English Wikipedia and edited by 826 registered Wikipedia users in all languages.

The article is cited 240 times in English Wikipedia and cited 1318 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #749 in April 2002
• Global: #1036 in April 2002

The highest popularity rank from 2008:

• Local (English): #41027 in March 2015
• Global: #41287 in February 2015

There are 30 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2026 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	Chinese (zh) 替换式密码		71.1519
2	Russian (ru) Шифр подстановки		53.5404
3	Turkish (tr) Yerine koyma şifrelemesi		51.5547
4	English (en) Substitution cipher		44.5511
5	German (de) Monoalphabetische Substitution		32.4179
6	Malay (ms) Sifer penggantian		28.4346
7	Slovenian (sl) Zamenjalna šifra		25.6511
8	Persian (fa) رمزنگاری جانشینی		25.2543
9	Spanish (es) Cifrado por sustitución		25.233
10	Italian (it) Cifrario a sostituzione		25.2195

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The following table shows the most popular language versions of the article.

The most popular language versions of the article "Substitution cipher" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Substitution cipher		3 387 632
2	Russian (ru) Шифр подстановки		552 478
3	German (de) Monoalphabetische Substitution		460 051
4	Japanese (ja) 換字式暗号		334 168
5	Spanish (es) Cifrado por sustitución		304 070
6	Chinese (zh) 替换式密码		290 448
7	French (fr) Chiffrement par substitution		194 551
8	Portuguese (pt) Cifra de substituição		181 543
9	Polish (pl) Szyfr podstawieniowy		169 838
10	Italian (it) Cifrario a sostituzione		127 147

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The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "Substitution cipher" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Substitution cipher		5 561
2	Russian (ru) Шифр подстановки		736
3	Japanese (ja) 換字式暗号		686
4	German (de) Monoalphabetische Substitution		520
5	Chinese (zh) 替换式密码		483
6	French (fr) Chiffrement par substitution		474
7	Spanish (es) Cifrado por sustitución		240
8	Polish (pl) Szyfr podstawieniowy		210
9	Italian (it) Cifrario a sostituzione		166
10	Portuguese (pt) Cifra de substituição		164

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The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "Substitution cipher" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Substitution cipher		206
2	German (de) Monoalphabetische Substitution		118
3	Russian (ru) Шифр подстановки		62
4	Dutch (nl) Substitutieversleuteling		41
5	French (fr) Chiffrement par substitution		38
6	Hebrew (he) צופן החלפה		38
7	Italian (it) Cifrario a sostituzione		36
8	Japanese (ja) 換字式暗号		29
9	Hungarian (hu) Helyettesítő rejtjel		27
10	Chinese (zh) 替换式密码		26

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The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "Substitution cipher" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Arabic (ar) تعمية بالإعاضة		1
2	Catalan (ca) Xifratge per substitució		0
3	Czech (cs) Substituční šifra		0
4	German (de) Monoalphabetische Substitution		0
5	English (en) Substitution cipher		0
6	Spanish (es) Cifrado por sustitución		0
7	Persian (fa) رمزنگاری جانشینی		0
8	Finnish (fi) Korvaussalaus		0
9	French (fr) Chiffrement par substitution		0
10	Hebrew (he) צופן החלפה		0

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The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "Substitution cipher" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Substitution cipher		240
2	Hebrew (he) צופן החלפה		223
3	Arabic (ar) تعمية بالإعاضة		77
4	German (de) Monoalphabetische Substitution		77
5	Swedish (sv) Förskjutningschiffer		58
6	Dutch (nl) Substitutieversleuteling		54
7	French (fr) Chiffrement par substitution		53
8	Japanese (ja) 換字式暗号		53
9	Spanish (es) Cifrado por sustitución		52
10	Russian (ru) Шифр подстановки		51

More...

#	Language	Value
ar	Arabic تعمية بالإعاضة
ca	Catalan Xifratge per substitució
cs	Czech Substituční šifra
de	German Monoalphabetische Substitution
en	English Substitution cipher
es	Spanish Cifrado por sustitución
fa	Persian رمزنگاری جانشینی
fi	Finnish Korvaussalaus
fr	French Chiffrement par substitution
he	Hebrew צופן החלפה
hu	Hungarian Helyettesítő rejtjel
id	Indonesian Sandi substitusi
it	Italian Cifrario a sostituzione
ja	Japanese 換字式暗号
ka	Georgian ჩანაცვლებადი შიფრი
ko	Korean 치환 암호
ms	Malay Sifer penggantian
nl	Dutch Substitutieversleuteling
no	Norwegian Substitusjonschiffer
pl	Polish Szyfr podstawieniowy
pt	Portuguese Cifra de substituição
ro	Romanian Cifrul substituției
ru	Russian Шифр подстановки
simple	Simple English Substitution cipher
sk	Slovak Substitúcia (kryptografia)
sl	Slovenian Zamenjalna šifra
sv	Swedish Förskjutningschiffer
tr	Turkish Yerine koyma şifrelemesi
uk	Ukrainian Підстановочний шифр
zh	Chinese 替换式密码

Best Rank

English: #41027 03.2015

Global: #41287 02.2015

Best Rank

English: #749 04.2002

Global: #1036 04.2002

On 1 July 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2026 FIFA World Cup, Kylian Mbappé, Erling Haaland, Democratic Republic of the Congo, FIFA World Cup, Harry Kane, Romelu Lukaku, Senegal, Michael Olise, Sadio Mané.

In English Wikipedia the most popular articles on that day were: 2026 FIFA World Cup, Harry Kane, Julián Quiñones, List of FIFA World Cup top goalscorers, Kylian Mbappé, Democratic Republic of the Congo, Erling Haaland, DR Congo national football team, Melat Kiros, FIFA World Cup.

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information