JNR Class EF81

JNR Class EF81 - Japanese electric locomotive class. Article “JNR Class EF81” in English Wikipedia has 64.2 points for quality (as of July 1, 2025). The article contains 29 references and 11 sections.

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

Since the creation of article “JNR Class EF81”, its content was written by 30 registered users of English Wikipedia and edited by 285 registered Wikipedia users in all languages.

The article is cited 115 times in English Wikipedia and cited 873 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #114798 in June 2014
• Global: #18897 in June 2004

The highest popularity rank from 2008:

• Local (English): #873453 in March 2011
• Global: #75080 in December 2008

There are 7 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	Chinese (zh) 日本国铁EF81型电力机车		83.0866
2	Japanese (ja) 国鉄EF81形電気機関車		81.2291
3	English (en) JNR Class EF81		64.1955
4	Korean (ko) 일본국유철도 EF81형 전기 기관차		51.7234
5	Esperanto (eo) Klaso EF81 de JNR		12.3825
6	Italian (it) Locomotiva JNR EF81		5.002
7	Indonesian (id) Lokomotif JNR EF81		0.413

More...

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

The most popular language versions of the article "JNR Class EF81" in all the time

#	Language	Popularity award	Relative popularity
1	Japanese (ja) 国鉄EF81形電気機関車		1 833 482
2	English (en) JNR Class EF81		82 118
3	Chinese (zh) 日本国铁EF81型电力机车		47 824
4	Korean (ko) 일본국유철도 EF81형 전기 기관차		14 836
5	Italian (it) Locomotiva JNR EF81		7 026
6	Esperanto (eo) Klaso EF81 de JNR		1 675
7	Indonesian (id) Lokomotif JNR EF81		259

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 "JNR Class EF81" in June 2025

#	Language	Popularity award	Relative popularity
1	Japanese (ja) 国鉄EF81形電気機関車		7 911
2	English (en) JNR Class EF81		551
3	Chinese (zh) 日本国铁EF81型电力机车		468
4	Italian (it) Locomotiva JNR EF81		48
5	Korean (ko) 일본국유철도 EF81형 전기 기관차		19
6	Indonesian (id) Lokomotif JNR EF81		6
7	Esperanto (eo) Klaso EF81 de JNR		0

More...

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

Language versions of the article "JNR Class EF81" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	Japanese (ja) 国鉄EF81形電気機関車		200
2	English (en) JNR Class EF81		30
3	Korean (ko) 일본국유철도 EF81형 전기 기관차		18
4	Chinese (zh) 日本国铁EF81型电力机车		15
5	Italian (it) Locomotiva JNR EF81		12
6	Esperanto (eo) Klaso EF81 de JNR		7
7	Indonesian (id) Lokomotif JNR EF81		3

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 "JNR Class EF81" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Korean (ko) 일본국유철도 EF81형 전기 기관차		1
2	English (en) JNR Class EF81		0
3	Esperanto (eo) Klaso EF81 de JNR		0
4	Indonesian (id) Lokomotif JNR EF81		0
5	Italian (it) Locomotiva JNR EF81		0
6	Japanese (ja) 国鉄EF81形電気機関車		0
7	Chinese (zh) 日本国铁EF81型电力机车		0

More...

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

Language versions of the article "JNR Class EF81" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Japanese (ja) 国鉄EF81形電気機関車		468
2	Chinese (zh) 日本国铁EF81型电力机车		178
3	English (en) JNR Class EF81		115
4	Korean (ko) 일본국유철도 EF81형 전기 기관차		106
5	Indonesian (id) Lokomotif JNR EF81		4
6	Esperanto (eo) Klaso EF81 de JNR		1
7	Italian (it) Locomotiva JNR EF81		1

More...

#	Language	Value
en	English JNR Class EF81
eo	Esperanto Klaso EF81 de JNR
id	Indonesian Lokomotif JNR EF81
it	Italian Locomotiva JNR EF81
ja	Japanese 国鉄EF81形電気機関車
ko	Korean 일본국유철도 EF81형 전기 기관차
zh	Chinese 日本国铁EF81型电力机车

Best Rank

English: #873453 03.2011

Global: #75080 12.2008

Best Rank

English: #114798 06.2014

Global: #18897 06.2004

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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