Japan National Route 21

en

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Japan National Route 21

Quality:

Japan National Route 21 - road in Japan. Article “Japan National Route 21” in English Wikipedia has 18.7 points for quality (as of July 1, 2025). The article contains 2 references and 4 sections.

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

Since the creation of article “Japan National Route 21”, its content was written by 15 registered users of English Wikipedia and edited by 85 registered Wikipedia users in all languages.

The article is cited 503 times in English Wikipedia and cited 1560 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #228214 in October 2007
  • Global: #89997 in January 2004

The highest popularity rank from 2008:

  • Local (English): #1192334 in January 2008
  • Global: #431736 in February 2008

There are 4 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.

Languages with the highest quality

#LanguageQuality gradeQuality score
1Japanese (ja)
国道21号
36.1992
2English (en)
Japan National Route 21
18.7467
3Min Nan (zhminnan)
Ji̍t-pún Kok-tō 21-hō
10.9088
4Korean (ko)
국도 제21호선 (일본)
2.6652
More...

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

Most popular in all the time

The most popular language versions of the article "Japan National Route 21" in all the time
#LanguagePopularity awardRelative popularity
1Japanese (ja)
国道21号
343 604
2English (en)
Japan National Route 21
18 510
3Korean (ko)
국도 제21호선 (일본)
3 593
4Min Nan (zhminnan)
Ji̍t-pún Kok-tō 21-hō
66
More...

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

Most popular in June 2025

The most popular language versions of the article "Japan National Route 21" in June 2025
#LanguagePopularity awardRelative popularity
1Japanese (ja)
国道21号
1 681
2English (en)
Japan National Route 21
83
3Korean (ko)
국도 제21호선 (일본)
11
4Min Nan (zhminnan)
Ji̍t-pún Kok-tō 21-hō
1
More...

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

The highest AI

Language versions of the article "Japan National Route 21" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1Japanese (ja)
国道21号
64
2English (en)
Japan National Route 21
15
3Korean (ko)
국도 제21호선 (일본)
3
4Min Nan (zhminnan)
Ji̍t-pún Kok-tō 21-hō
3
More...

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

The highest AI in June 2025

Language versions of the article "Japan National Route 21" with the highest AI in June 2025
#LanguageAI awardRelative AI
1English (en)
Japan National Route 21
0
2Japanese (ja)
国道21号
0
3Korean (ko)
국도 제21호선 (일본)
0
4Min Nan (zhminnan)
Ji̍t-pún Kok-tō 21-hō
0
More...

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

The highest CI

Language versions of the article "Japan National Route 21" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1Japanese (ja)
国道21号
836
2English (en)
Japan National Route 21
503
3Korean (ko)
국도 제21호선 (일본)
217
4Min Nan (zhminnan)
Ji̍t-pún Kok-tō 21-hō
4
More...

Scores

Estimated value for Wikipedia:
English:
Global:
Popularity in June 2025:
English:
Global:
Popularity in all years:
English:
Global:
Authors in June 2025:
English:
Global:
Registered authors in all years:
English:
Global:
Citations:
English:
Global:

Quality measures

Interwikis

#LanguageValue
enEnglish
Japan National Route 21
jaJapanese
国道21号
koKorean
국도 제21호선 (일본)
zhminnanMin Nan
Ji̍t-pún Kok-tō 21-hō

Popularity rank trends

Best Rank English:
#1192334
01.2008
Global:
#431736
02.2008

AI rank trends

Best Rank English:
#228214
10.2007
Global:
#89997
01.2004

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Japan National Route 21 from Wikipedia articles about List of national highways of Japan, National highway of Japan, Japan National Route 8, Japan National Route 19 and Japan National Route 22. Whereas reading the article about Japan National Route 21 people most often go to Wikipedia articles on Japan National Route 22, Japan National Route 19, Gidai bypass, Japan National Route 8 and Mizunami.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

News from 15 February 2026

On 15 February 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: Jeffrey Epstein, Wuthering Heights, 2026 Winter Olympics, Epstein files, Ilia Malinin, Wuthering Heights, Ghislaine Maxwell, Lucas Pinheiro Braathen, 2026 Winter Olympics medal table, Valentine's Day.

In English Wikipedia the most popular articles on that day were: Jeffrey Epstein, Wuthering Heights, Wuthering Heights (2026 film), 2026 Winter Olympics, Lucas Pinheiro Braathen, Ice hockey at the 2026 Winter Olympics – Men's tournament, Epstein files, John F. Kennedy Jr., Anthony Kim, James Van Der Beek.

About WikiRank

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