Biodegradation

Quality:

Biodegradation - decomposition by living organisms. Article “Biodegradation” in Simple English Wikipedia has 23.1 points for quality (as of July 1, 2026). The article contains 5 references and 2 sections.

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

In June 2026 the article “Biodegradation” was edited by 1 authors in Simple English Wikipedia (5328^th place) and written by 9 authors in all languages.

Since the creation of article “Biodegradation”, its content was written by 5 registered users of Simple English Wikipedia and edited by 1093 registered Wikipedia users in all languages.

The article is cited 24 times in Simple English Wikipedia and cited 4734 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Simple English): #2604 in July 2013
• Global: #1352 in April 2003

The highest popularity rank from 2008:

• Local (Simple English): #4750 in September 2017
• Global: #25418 in October 2013

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) Biodegradation		77.1701
2	Vietnamese (vi) Phân hủy sinh học		44.0029
3	Polish (pl) Biodegradacja		35.5449
4	Slovak (sk) Biodegradácia		33.1167
5	Catalan (ca) Biodegradació		32.5125
6	Croatian (hr) Biorazgradivost		29.309
7	Slovenian (sl) Biodegradacija		27.6846
8	Tamil (ta) உயிரியாற்சிதைவு		27.3718
9	French (fr) Biodégradation		26.9358
10	Arabic (ar) تحلل حيوي		26.9234

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

#	Language	Popularity award	Relative popularity
1	English (en) Biodegradation		3 380 993
2	Spanish (es) Biodegradabilidad		2 092 641
3	French (fr) Biodégradation		470 435
4	Portuguese (pt) Biodegradabilidade		383 884
5	Polish (pl) Biodegradacja		370 559
6	German (de) Biologische Abbaubarkeit		268 266
7	Italian (it) Biodegradazione		255 763
8	Arabic (ar) تحلل حيوي		227 184
9	Thai (th) การย่อยสลายทางชีวภาพ		215 759
10	Chinese (zh) 生物降解		146 978

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) Biodegradation		2 297
2	Spanish (es) Biodegradabilidad		488
3	German (de) Biologische Abbaubarkeit		402
4	French (fr) Biodégradation		319
5	Russian (ru) Биодеградация		283
6	Chinese (zh) 生物降解		224
7	Dutch (nl) Biologische afbraak		147
8	Japanese (ja) 生分解		126
9	Italian (it) Biodegradazione		102
10	Polish (pl) Biodegradacja		89

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

#	Language	AI award	Relative AI
1	English (en) Biodegradation		389
2	French (fr) Biodégradation		116
3	Spanish (es) Biodegradabilidad		95
4	German (de) Biologische Abbaubarkeit		59
5	Italian (it) Biodegradazione		53
6	Dutch (nl) Biologische afbraak		33
7	Polish (pl) Biodegradacja		31
8	Portuguese (pt) Biodegradabilidade		30
9	Arabic (ar) تحلل حيوي		24
10	Russian (ru) Биодеградация		22

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) تحلل حيوي		1
2	Catalan (ca) Biodegradació		1
3	German (de) Biologische Abbaubarkeit		1
4	English (en) Biodegradation		1
5	Spanish (es) Biodegradabilidad		1
6	French (fr) Biodégradation		1
7	Indonesian (id) Biodegradasi		1
8	Simple English (simple) Biodegradation		1
9	Vietnamese (vi) Phân hủy sinh học		1
10	Azerbaijani (az) Biodeqradasiya		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