Blood–brain barrier

Quality:

Blood–brain barrier - semipermable membrane that separates blood and the brain. Article “Blood–brain barrier” in Simple English Wikipedia has 29.1 points for quality (as of July 1, 2025). The article contains 7 references and 4 sections.

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

Since the creation of article “Blood–brain barrier”, its content was written by 8 registered users of Simple English Wikipedia and edited by 1538 registered Wikipedia users in all languages.

The article is cited 27 times in Simple English Wikipedia and cited 5486 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Simple English): #2064 in February 2016
• Global: #463 in September 2002

The highest popularity rank from 2008:

• Local (Simple English): #8809 in November 2021
• Global: #7425 in December 2014

There are 41 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	Russian (ru) Гематоэнцефалический барьер		100
2	German (de) Blut-Hirn-Schranke		100
3	Greek (el) Αιματοεγκεφαλικός φραγμός		100
4	Catalan (ca) Barrera hematoencefàlica		98.6948
5	French (fr) Barrière hémato-encéphalique		85.4334
6	Thai (th) ตัวกั้นระหว่างเลือดกับสมอง		78.4274
7	Spanish (es) Barrera hematoencefálica		68.8673
8	Japanese (ja) 血液脳関門		68.4426
9	English (en) Blood–brain barrier		66.7932
10	Dutch (nl) Bloed-hersenbarrière		52.6449

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

#	Language	Popularity award	Relative popularity
1	English (en) Blood–brain barrier		7 110 412
2	German (de) Blut-Hirn-Schranke		1 876 020
3	Spanish (es) Barrera hematoencefálica		1 507 629
4	Russian (ru) Гематоэнцефалический барьер		1 427 304
5	Japanese (ja) 血液脳関門		952 833
6	French (fr) Barrière hémato-encéphalique		668 826
7	Italian (it) Barriera emato-encefalica		560 904
8	Chinese (zh) 血腦屏障		507 146
9	Portuguese (pt) Barreira hematoencefálica		476 255
10	Polish (pl) Bariera krew-mózg		353 417

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) Blood–brain barrier		15 718
2	Russian (ru) Гематоэнцефалический барьер		4 808
3	German (de) Blut-Hirn-Schranke		2 515
4	Chinese (zh) 血腦屏障		2 344
5	Japanese (ja) 血液脳関門		1 789
6	Spanish (es) Barrera hematoencefálica		1 562
7	French (fr) Barrière hémato-encéphalique		1 398
8	Italian (it) Barriera emato-encefalica		843
9	Polish (pl) Bariera krew-mózg		717
10	Korean (ko) 혈액뇌장벽		612

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

#	Language	AI award	Relative AI
1	English (en) Blood–brain barrier		407
2	German (de) Blut-Hirn-Schranke		212
3	French (fr) Barrière hémato-encéphalique		125
4	Russian (ru) Гематоэнцефалический барьер		104
5	Dutch (nl) Bloed-hersenbarrière		88
6	Italian (it) Barriera emato-encefalica		70
7	Hebrew (he) מחסום דם-מוח		63
8	Spanish (es) Barrera hematoencefálica		54
9	Japanese (ja) 血液脳関門		52
10	Chinese (zh) 血腦屏障		41

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) Blood–brain barrier		4
2	Hebrew (he) מחסום דם-מוח		2
3	Italian (it) Barriera emato-encefalica		2
4	Finnish (fi) Veri-aivoeste		1
5	French (fr) Barrière hémato-encéphalique		1
6	Russian (ru) Гематоэнцефалический барьер		1
7	Arabic (ar) حاجز دموي دماغي		0
8	Belarusian (be) Гемата-энцэфалічны бар’ер		0
9	Bulgarian (bg) Кръвно-мозъчна бариера		0
10	Catalan (ca) Barrera hematoencefàlica		0

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

On 16 March 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 98th Academy Awards, Michael B. Jordan, Sinners, Jessie Buckley, Paul Thomas Anderson, Sean Penn, One Battle After Another, Amy Madigan, Hamnet, Timothée Chalamet.

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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