Nitrogen fixation

Quality:

Nitrogen fixation - process which converts nitrogen from the air into compounds such as ammonia. Article “Nitrogen fixation” in Simple English Wikipedia has 29.8 points for quality (as of July 1, 2026). The article contains 7 references and 5 sections.

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

Since the creation of article “Nitrogen fixation”, its content was written by 13 registered users of Simple English Wikipedia and edited by 1119 registered Wikipedia users in all languages.

The article is cited 23 times in Simple English Wikipedia and cited 3861 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Simple English): #351 in June 2013
• Global: #2814 in September 2012

The highest popularity rank from 2008:

• Local (Simple English): #1195 in April 2015
• Global: #23960 in April 2015

There are 39 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) Nitrogen fixation		86.5557
2	Korean (ko) 질소 고정		65.9088
3	Portuguese (pt) Fixação de nitrogênio		46.2106
4	Indonesian (id) Pengikatan nitrogen		45.5897
5	Norwegian (Nynorsk) (nn) Nitrogenfiksering		41.2896
6	Malay (ms) Pengikatan nitrogen		40.4575
7	French (fr) Fixation biologique du diazote		39.5367
8	Galician (gl) Fixación do nitróxeno		36.1357
9	Tamil (ta) நைதரசன் நிலைப்படுத்தல்		35.7967
10	Serbian (sr) Azotofiksacija		34.9553

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

#	Language	Popularity award	Relative popularity
1	English (en) Nitrogen fixation		5 961 973
2	Spanish (es) Fijación de nitrógeno		1 083 773
3	Japanese (ja) 窒素固定		663 480
4	German (de) Stickstofffixierung		354 751
5	Italian (it) Azotofissazione		340 361
6	Portuguese (pt) Fixação de nitrogênio		308 622
7	Russian (ru) Азотфиксация		267 486
8	French (fr) Fixation biologique du diazote		261 293
9	Hindi (hi) नाइट्रोजन यौगिकीकरण		226 807
10	Arabic (ar) تثبيت النيتروجين		211 365

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) Nitrogen fixation		6 929
2	Japanese (ja) 窒素固定		1 541
3	German (de) Stickstofffixierung		549
4	Chinese (zh) 固氮作用		532
5	French (fr) Fixation biologique du diazote		399
6	Russian (ru) Азотфиксация		378
7	Italian (it) Azotofissazione		289
8	Spanish (es) Fijación de nitrógeno		282
9	Persian (fa) تثبیت نیتروژن		193
10	Korean (ko) 질소 고정		153

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

#	Language	AI award	Relative AI
1	English (en) Nitrogen fixation		420
2	French (fr) Fixation biologique du diazote		82
3	Italian (it) Azotofissazione		78
4	German (de) Stickstofffixierung		75
5	Japanese (ja) 窒素固定		48
6	Spanish (es) Fijación de nitrógeno		42
7	Russian (ru) Азотфиксация		39
8	Dutch (nl) Stikstoffixatie		35
9	Danish (da) Kvælstoffiksering		34
10	Portuguese (pt) Fixação de nitrogênio		24

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	Arabic (ar) تثبيت النيتروجين		2
2	English (en) Nitrogen fixation		2
3	Hebrew (he) קיבוע חנקן ימי		1
4	Italian (it) Azotofissazione		1
5	Korean (ko) 질소 고정		1
6	Chinese (zh) 固氮作用		1
7	Catalan (ca) Fixació del nitrogen		0
8	Danish (da) Kvælstoffiksering		0
9	German (de) Stickstofffixierung		0
10	Esperanto (eo) Nitrogena fiksado		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 Simple English Wikipedia the most popular articles on that day were: List of European countries, Black, List of sex positions, 2026 Iran war, Suresh Raina, Politics of Germany, Academy Award for Best Director, 2020, DYSS-TV, 2022.

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