501c

501(c) organization - type of tax-exempt nonprofit organization in the United States. Article “501c” in Basque Wikipedia has 11.3 points for quality (as of July 1, 2025). The article contains 1 references and 3 sections.

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

Since the creation of article “501c”, its content was written by 2 registered users of Basque Wikipedia and edited by 612 registered Wikipedia users in all languages.

The article is cited 2 times in Basque Wikipedia and cited 2668 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Basque): #1245 in October 2021
• Global: #14581 in October 2024

The highest popularity rank from 2008:

• Local (Basque): #1491 in February 2024
• Global: #69 in March 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) 501(c) organization		80
2	Vietnamese (vi) Tổ chức 501(c)		76.4516
3	Min Nan (zhminnan) 501(c) cho͘-chit		64.009
4	Chinese (zh) 501(c)組織		40.4892
5	Catalan (ca) 501(c)		33.7138
6	Portuguese (pt) 501(c)		23.2463
7	Spanish (es) Organización 501(c)		19.2908
8	German (de) 501(c) organization		18.46
9	French (fr) 501c		16.0602
10	Japanese (ja) 501(c)団体		15.3539

More...

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

The most popular language versions of the article "501c" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) 501(c) organization		11 516 458
2	French (fr) 501c		1 237 353
3	German (de) 501(c) organization		86 685
4	Spanish (es) Organización 501(c)		80 873
5	Chinese (zh) 501(c)組織		77 900
6	Indonesian (id) 501(c)		34 110
7	Japanese (ja) 501(c)団体		32 915
8	Arabic (ar) منظمة 501(c)		15 322
9	Persian (fa) سازمان ۵۰۱ (سی)		8 648
10	Catalan (ca) 501(c)		7 682

More...

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 "501c" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) 501(c) organization		12 635
2	French (fr) 501c		1 607
3	German (de) 501(c) organization		389
4	Chinese (zh) 501(c)組織		366
5	Japanese (ja) 501(c)団体		219
6	Spanish (es) Organización 501(c)		118
7	Korean (ko) 501(c) 단체		90
8	Min Nan (zhminnan) 501(c) cho͘-chit		59
9	Arabic (ar) منظمة 501(c)		57
10	Dutch (nl) 501(c)-organisatie		55

More...

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

Language versions of the article "501c" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) 501(c) organization		444
2	French (fr) 501c		48
3	German (de) 501(c) organization		44
4	Vietnamese (vi) Tổ chức 501(c)		14
5	Chinese (zh) 501(c)組織		14
6	Spanish (es) Organización 501(c)		12
7	Indonesian (id) 501(c)		9
8	Arabic (ar) منظمة 501(c)		6
9	Persian (fa) سازمان ۵۰۱ (سی)		4
10	Japanese (ja) 501(c)団体		4

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 "501c" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	English (en) 501(c) organization		11
2	Chinese (zh) 501(c)組織		2
3	Arabic (ar) منظمة 501(c)		0
4	Catalan (ca) 501(c)		0
5	German (de) 501(c) organization		0
6	Spanish (es) Organización 501(c)		0
7	Basque (eu) 501c		0
8	Persian (fa) سازمان ۵۰۱ (سی)		0
9	French (fr) 501c		0
10	Indonesian (id) 501(c)		0

More...

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

Language versions of the article "501c" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) 501(c) organization		1 808
2	German (de) 501(c) organization		199
3	French (fr) 501c		175
4	Spanish (es) Organización 501(c)		100
5	Japanese (ja) 501(c)団体		86
6	Chinese (zh) 501(c)組織		82
7	Korean (ko) 501(c) 단체		49
8	Arabic (ar) منظمة 501(c)		39
9	Persian (fa) سازمان ۵۰۱ (سی)		38
10	Portuguese (pt) 501(c)		31

More...

#	Language	Value
ar	Arabic منظمة 501(c)
ca	Catalan 501(c)
de	German 501(c) organization
en	English 501(c) organization
es	Spanish Organización 501(c)
eu	Basque 501c
fa	Persian سازمان ۵۰۱ (سی)
fr	French 501c
id	Indonesian 501(c)
ja	Japanese 501(c)団体
ko	Korean 501(c) 단체
nl	Dutch 501(c)-organisatie
pt	Portuguese 501(c)
vi	Vietnamese Tổ chức 501(c)
zh	Chinese 501(c)組織
zhminnan	Min Nan 501(c) cho͘-chit

Best Rank

Basque: #1491 02.2024

Global: #69 03.2008

Best Rank

Basque: #1245 10.2021

Global: #14581 10.2024

On 28 January 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2025–26 UEFA Champions League, Nipah virus, Doomsday Clock, UEFA Champions League, Elena Rybakina, Donald Trump, 2026 European Men's Handball Championship, killing of Alex Pretti, Kristi Noem, deaths in 2026.

In Basque Wikipedia the most popular articles on that day were: Susana Atxaerandio Alessanco, Wikipedia, Lisieux, Fresagailu, Senegal, Euronews, Nepal, Euskal Herria, Inauteriak Euskal Herrian, Niue.

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