Geodetic Reference System 1980

GRS 80 - reference ellipsoid. Article "Geodetic Reference System 1980" in English Wikipedia has 17.2 points for quality (as of July 1, 2025). The article contains 4 references and 5 sections. The article also contains quality flaw template, which reduce quality score.

In this language version of Wikipedia the article has the best quality. Also, this article is the most popular in that language version.

Since the creation of article "Geodetic Reference System 1980", its content was written by 42 registered users of English Wikipedia and edited by 149 registered Wikipedia users in all languages.

The article is cited 87 times in English Wikipedia and cited 301 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #45786 in December 2019
• Global: #73186 in October 2005

The highest popularity rank from 2008:

• Local (English): #171120 in August 2010
• Global: #229181 in August 2010

There are 13 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) Geodetic Reference System 1980		17.1965
2	Portuguese (pt) GRS 80		15.7329
3	Catalan (ca) GRS80		13.666
4	Japanese (ja) GRS80		12.5661
5	Turkish (tr) GRS 80		10.3054
6	Swedish (sv) GRS80		4.8161
7	Dutch (nl) GRS80		4.1073
8	German (de) Geodätisches Referenzsystem 1980		4.0842
9	Danish (da) GRS 80		4.0189
10	Persian (fa) سامانه مرجع ژئودتیک ۱۹۸۰		3.9252

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

The most popular language versions of the article "Geodetic Reference System 1980" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Geodetic Reference System 1980		452 027
2	German (de) Geodätisches Referenzsystem 1980		144 900
3	Japanese (ja) GRS80		104 380
4	Polish (pl) System odniesienia GRS 80		84 731
5	Russian (ru) GRS80		20 348
6	Swedish (sv) GRS80		13 560
7	Turkish (tr) GRS 80		8 030
8	Dutch (nl) GRS80		6 545
9	Catalan (ca) GRS80		3 910
10	Finnish (fi) Geodeettinen vertausjärjestelmä 1980		1 831

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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 "Geodetic Reference System 1980" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Geodetic Reference System 1980		1 185
2	Japanese (ja) GRS80		318
3	German (de) Geodätisches Referenzsystem 1980		294
4	Polish (pl) System odniesienia GRS 80		123
5	Portuguese (pt) GRS 80		83
6	Russian (ru) GRS80		61
7	Dutch (nl) GRS80		43
8	Turkish (tr) GRS 80		23
9	Catalan (ca) GRS80		16
10	Swedish (sv) GRS80		16

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

Language versions of the article "Geodetic Reference System 1980" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	German (de) Geodätisches Referenzsystem 1980		43
2	English (en) Geodetic Reference System 1980		42
3	Russian (ru) GRS80		16
4	Japanese (ja) GRS80		9
5	Swedish (sv) GRS80		8
6	Polish (pl) System odniesienia GRS 80		7
7	Catalan (ca) GRS80		6
8	Turkish (tr) GRS 80		6
9	Persian (fa) سامانه مرجع ژئودتیک ۱۹۸۰		4
10	Dutch (nl) GRS80		4

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

Language versions of the article "Geodetic Reference System 1980" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Catalan (ca) GRS80		0
2	Danish (da) GRS 80		0
3	German (de) Geodätisches Referenzsystem 1980		0
4	English (en) Geodetic Reference System 1980		0
5	Persian (fa) سامانه مرجع ژئودتیک ۱۹۸۰		0
6	Finnish (fi) Geodeettinen vertausjärjestelmä 1980		0
7	Japanese (ja) GRS80		0
8	Dutch (nl) GRS80		0
9	Polish (pl) System odniesienia GRS 80		0
10	Portuguese (pt) GRS 80		0

More...

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

Language versions of the article "Geodetic Reference System 1980" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Geodetic Reference System 1980		87
2	Japanese (ja) GRS80		51
3	German (de) Geodätisches Referenzsystem 1980		47
4	Persian (fa) سامانه مرجع ژئودتیک ۱۹۸۰		41
5	Polish (pl) System odniesienia GRS 80		20
6	Dutch (nl) GRS80		15
7	Portuguese (pt) GRS 80		14
8	Swedish (sv) GRS80		7
9	Russian (ru) GRS80		6
10	Finnish (fi) Geodeettinen vertausjärjestelmä 1980		5

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#	Language	Value
ca	Catalan GRS80
da	Danish GRS 80
de	German Geodätisches Referenzsystem 1980
en	English Geodetic Reference System 1980
fa	Persian سامانه مرجع ژئودتیک ۱۹۸۰
fi	Finnish Geodeettinen vertausjärjestelmä 1980
ja	Japanese GRS80
nl	Dutch GRS80
pl	Polish System odniesienia GRS 80
pt	Portuguese GRS 80
ru	Russian GRS80
sv	Swedish GRS80
tr	Turkish GRS 80

Best Rank

English: #171120 08.2010

Global: #229181 08.2010

Best Rank

English: #45786 12.2019

Global: #73186 10.2005

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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