Biosphere 2

Quality:

Biosphere 2 - artificial closed ecological system. Article “Biosphere 2” in English Wikipedia has 93 points for quality (as of July 1, 2025). The article contains 123 references and 18 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.

In June 2025 the article “Biosphere 2” was edited by 1 authors in English Wikipedia and written by 2 authors in all languages.

Since the creation of article “Biosphere 2”, its content was written by 565 registered users of English Wikipedia and edited by 1379 registered Wikipedia users in all languages.

The article is cited 201 times in English Wikipedia and cited 809 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #2203 in January 2005
• Global: #4902 in January 2005

The highest popularity rank from 2008:

• Local (English): #1770 in August 2019
• Global: #5171 in August 2019

There are 29 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, 2025 (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) Biosphere 2		92.9742
2	Portuguese (pt) Biosfera 2		81.7504
3	Japanese (ja) バイオスフィア2		69.2989
4	French (fr) Biosphère II		67.7462
5	Chinese (zh) 生物圈二号		56.3998
6	Ukrainian (uk) Біосфера 2		45.7438
7	German (de) Biosphäre 2		44.4925
8	Hungarian (hu) Bioszféra 2		39.3206
9	Finnish (fi) Biosfääri 2		30.582
10	Spanish (es) Biosfera 2		30.4547

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

#	Language	Popularity award	Relative popularity
1	English (en) Biosphere 2		5 068 609
2	German (de) Biosphäre 2		1 027 343
3	Japanese (ja) バイオスフィア2		468 707
4	Russian (ru) Биосфера-2		425 359
5	Spanish (es) Biosfera 2		342 685
6	French (fr) Biosphère II		234 029
7	Chinese (zh) 生物圈二号		170 559
8	Korean (ko) 바이오스피어 2		101 122
9	Dutch (nl) Biosfeer 2		86 928
10	Polish (pl) Biosfera 2		80 875

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) Biosphere 2		27 795
2	Japanese (ja) バイオスフィア2		2 350
3	German (de) Biosphäre 2		2 318
4	French (fr) Biosphère II		796
5	Russian (ru) Биосфера-2		789
6	Chinese (zh) 生物圈二号		603
7	Spanish (es) Biosfera 2		457
8	Polish (pl) Biosfera 2		319
9	Italian (it) Biosfera 2		237
10	Korean (ko) 바이오스피어 2		214

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

#	Language	AI award	Relative AI
1	English (en) Biosphere 2		565
2	German (de) Biosphäre 2		182
3	French (fr) Biosphère II		112
4	Russian (ru) Биосфера-2		55
5	Dutch (nl) Biosfeer 2		49
6	Spanish (es) Biosfera 2		43
7	Japanese (ja) バイオスフィア2		38
8	Italian (it) Biosfera 2		35
9	Finnish (fi) Biosfääri 2		31
10	Norwegian (no) Biosphere 2		30

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) Biosphere 2		1
2	French (fr) Biosphère II		1
3	Arabic (ar) بيوسفير 2		0
4	Bulgarian (bg) Биосфера 2		0
5	German (de) Biosphäre 2		0
6	Esperanto (eo) Biosfero 2		0
7	Spanish (es) Biosfera 2		0
8	Basque (eu) Biosphere 2		0
9	Persian (fa) زیست‌کره ۲		0
10	Finnish (fi) Biosfääri 2		0

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

On 10 February 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: Jeffrey Epstein, Ghislaine Maxwell, Ilia Malinin, Bad Bunny, 2026 Winter Olympics, Epstein files, Jutta Leerdam, Jake Paul, Puerto Rico, Little Saint James.

In English Wikipedia the most popular articles on that day were: Bad Bunny, Jeffrey Epstein, Epstein files, Ilia Malinin, Savannah Guthrie, Ghislaine Maxwell, 2026 Winter Olympics, List of Super Bowl halftime shows, Eileen Gu, Jutta Leerdam.

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 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information