Complex number

Quality:

Complex number - number that can be put in the form a + bi, where a and b are real numbers and i is called the imaginary unit. Article “Complex number” in English Wikipedia has 82.6 points for quality (as of July 1, 2026). The article contains 92 references and 34 sections.

In this language version of Wikipedia the article has the best quality. Also, this article is the most popular in that (English) language version.

Achievements in all the time:

English Wikipedia:

en

The 9820^th most popular in English Wikipedia.

en

The 8233^rd most editable in English Wikipedia.

Global Wikipedia:

The 2987^th most popular in all topics.

The 3376^th most popular in AI.

Achievements in the last month:

English Wikipedia:

en

The 3935^th most editable in English Wikipedia in the last month.

Global Wikipedia:

The 7728^th most popular in AI in the last month.

In June 2026 the article “Complex number” was edited by 12 authors in English Wikipedia (3935^th place) and written by 23 authors in all languages (7728^th place).

Since the creation of article “Complex number”, its content was written by 926 registered users of English Wikipedia (8233^rd place) and edited by 4324 registered Wikipedia users in all languages (3376^th place).

The article is cited 2512 times in English Wikipedia and cited 19721 times in all languages (8749^th place).

The highest Authors Interest rank from 2001:

• Local (English): #90 in December 2001
• Global: #25 in February 2002

The highest popularity rank from 2008:

• Local (English): #4813 in October 2010
• Global: #1403 in October 2009

There are 54 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	English (en) Complex number		82.6004
2	Russian (ru) Комплексное число		77.9522
3	Danish (da) Komplekse tal		71.1261
4	Polish (pl) Liczby zespolone		66.2111
5	German (de) Komplexe Zahl		63.0335
6	Malay (ms) Nombor kompleks		54.1206
7	Chinese (zh) 复数 (数学)		52.3702
8	Tamil (ta) சிக்கலெண்		51.2035
9	Portuguese (pt) Número complexo		51.1876
10	Finnish (fi) Kompleksiluku		49.8252

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

#	Language	Popularity award	Relative popularity
1	English (en) Complex number		14 644 410
2	Spanish (es) Número complejo		8 626 351
3	German (de) Komplexe Zahl		6 228 248
4	Russian (ru) Комплексное число		4 880 190
5	French (fr) Nombre complexe		2 632 060
6	Polish (pl) Liczby zespolone		2 211 049
7	Japanese (ja) 複素数		2 171 359
8	Italian (it) Numero complesso		1 786 155
9	Portuguese (pt) Número complexo		1 705 399
10	Chinese (zh) 复数 (数学)		1 016 946

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

#	Language	Popularity award	Relative popularity
1	English (en) Complex number		24 206
2	German (de) Komplexe Zahl		7 074
3	Russian (ru) Комплексное число		6 861
4	French (fr) Nombre complexe		3 777
5	Japanese (ja) 複素数		3 395
6	Spanish (es) Número complejo		3 080
7	Polish (pl) Liczby zespolone		2 280
8	Chinese (zh) 复数 (数学)		2 006
9	Italian (it) Numero complesso		1 327
10	Portuguese (pt) Número complexo		890

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

#	Language	AI award	Relative AI
1	English (en) Complex number		926
2	German (de) Komplexe Zahl		447
3	French (fr) Nombre complexe		276
4	Russian (ru) Комплексное число		227
5	Spanish (es) Número complejo		224
6	Italian (it) Numero complesso		161
7	Dutch (nl) Complex getal		140
8	Japanese (ja) 複素数		131
9	Polish (pl) Liczby zespolone		120
10	Chinese (zh) 复数 (数学)		112

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

#	Language	AI award	Relative AI
1	English (en) Complex number		12
2	Czech (cs) Komplexní číslo		2
3	Polish (pl) Liczby zespolone		2
4	Swedish (sv) Komplexa tal		2
5	Arabic (ar) عدد عقدي		1
6	Basque (eu) Zenbaki konplexu		1
7	Finnish (fi) Kompleksiluku		1
8	Romanian (ro) Număr complex		1
9	Russian (ru) Комплексное число		1
10	Azerbaijani (az) Kompleks ədədlər		0

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

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