X-Bar-Theorie

X-bar theory - in generative grammar, the theory of syntactic category formation that ① phrases may contain intermediate constituents projected from a head X; and that ② this system of projected constituency may be common to more than one category (e.g. N, V, A, P). Article “X-Bar-Theorie” in German Wikipedia has 29.3 points for quality (as of July 1, 2025). The article contains 10 references and 7 sections.

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

Since the creation of article “X-Bar-Theorie”, its content was written by 55 registered users of German Wikipedia and edited by 351 registered Wikipedia users in all languages.

The article is cited 26 times in German Wikipedia and cited 501 times in all languages.

The highest Authors Interest rank from 2001:

• Local (German): #4948 in October 2024
• Global: #10161 in January 2004

The highest popularity rank from 2008:

• Local (German): #118998 in July 2009
• Global: #113945 in November 2008

There are 16 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) X-bar theory		82.6903
2	Japanese (ja) Xバー理論		50.0932
3	Chinese (zh) X-bar理论		40.3772
4	Vietnamese (vi) Thuyết X-bar		33.9197
5	German (de) X-Bar-Theorie		29.3435
6	Catalan (ca) Teoria de la X'		21.0699
7	French (fr) Théorie X-barre		12.5497
8	Spanish (es) Teoría de la X'		12.2
9	Portuguese (pt) Teoria X-barra		11.839
10	Estonian (et) X'-teooria		11.3

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

The most popular language versions of the article "X-Bar-Theorie" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) X-bar theory		1 337 568
2	Spanish (es) Teoría de la X'		158 268
3	Japanese (ja) Xバー理論		116 401
4	French (fr) Théorie X-barre		112 618
5	German (de) X-Bar-Theorie		107 081
6	Italian (it) Teoria X-barra		69 831
7	Chinese (zh) X-bar理论		26 495
8	Portuguese (pt) Teoria X-barra		20 515
9	Polish (pl) Teoria X-bar		15 043
10	Russian (ru) X’-теория		8 075

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

The most popular language versions of the article "X-Bar-Theorie" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) X-bar theory		4 221
2	Japanese (ja) Xバー理論		795
3	Chinese (zh) X-bar理论		266
4	French (fr) Théorie X-barre		246
5	German (de) X-Bar-Theorie		204
6	Spanish (es) Teoría de la X'		185
7	Italian (it) Teoria X-barra		118
8	Portuguese (pt) Teoria X-barra		73
9	Russian (ru) X’-теория		65
10	Vietnamese (vi) Thuyết X-bar		27

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

Language versions of the article "X-Bar-Theorie" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) X-bar theory		164
2	German (de) X-Bar-Theorie		55
3	French (fr) Théorie X-barre		29
4	Italian (it) Teoria X-barra		23
5	Spanish (es) Teoría de la X'		14
6	Catalan (ca) Teoria de la X'		11
7	Finnish (fi) X’-teoria		10
8	Japanese (ja) Xバー理論		10
9	Chinese (zh) X-bar理论		8
10	Min Nan (zhminnan) X' lí-lūn		8

More...

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

Language versions of the article "X-Bar-Theorie" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Catalan (ca) Teoria de la X'		0
2	Czech (cs) Teorie X s pruhem		0
3	German (de) X-Bar-Theorie		0
4	English (en) X-bar theory		0
5	Spanish (es) Teoría de la X'		0
6	Estonian (et) X'-teooria		0
7	Finnish (fi) X’-teoria		0
8	French (fr) Théorie X-barre		0
9	Italian (it) Teoria X-barra		0
10	Japanese (ja) Xバー理論		0

More...

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

Language versions of the article "X-Bar-Theorie" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Japanese (ja) Xバー理論		170
2	English (en) X-bar theory		166
3	Spanish (es) Teoría de la X'		36
4	Russian (ru) X’-теория		30
5	German (de) X-Bar-Theorie		26
6	Chinese (zh) X-bar理论		16
7	French (fr) Théorie X-barre		13
8	Italian (it) Teoria X-barra		10
9	Catalan (ca) Teoria de la X'		9
10	Czech (cs) Teorie X s pruhem		9

More...

#	Language	Value
ca	Catalan Teoria de la X'
cs	Czech Teorie X s pruhem
de	German X-Bar-Theorie
en	English X-bar theory
es	Spanish Teoría de la X'
et	Estonian X'-teooria
fi	Finnish X’-teoria
fr	French Théorie X-barre
it	Italian Teoria X-barra
ja	Japanese Xバー理論
pl	Polish Teoria X-bar
pt	Portuguese Teoria X-barra
ru	Russian X’-теория
vi	Vietnamese Thuyết X-bar
zh	Chinese X-bar理论
zhminnan	Min Nan X' lí-lūn

Best Rank

German: #118998 07.2009

Global: #113945 11.2008

Best Rank

German: #4948 10.2024

Global: #10161 01.2004

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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