ER1

et

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ER1

Quality:

ER1 electric trainset - Electric multiple unit. Article “ER1” in Estonian Wikipedia has 17.3 points for quality (as of July 1, 2025). The article contains 1 references and 2 sections.

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

Since the creation of article “ER1”, its content was written by 1 registered users of Estonian Wikipedia and edited by 149 registered Wikipedia users in all languages.

The article is cited 3 times in Estonian Wikipedia and cited 446 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Estonian): #8984 in August 2020
  • Global: #70417 in February 2006

The highest popularity rank from 2008:

  • Local (Estonian): #40166 in December 2019
  • Global: #223868 in August 2009

There are 8 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
1Russian (ru)
ЭР1
73.3836
2Chinese (zh)
ER1型电力动车组
42.6746
3Japanese (ja)
ソ連運輸省ER1形電車
35.8895
4Estonian (et)
ER1
17.285
5German (de)
SŽD-Baureihe ЭР1
12.6727
6English (en)
ER1 electric trainset
5.3525
7Ukrainian (uk)
ЕР1
3.7716
8Belarusian (be)
Электрацягнік ЭР1
2.3469
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 "ER1" in all the time
#LanguagePopularity awardRelative popularity
1Russian (ru)
ЭР1
326 335
2English (en)
ER1 electric trainset
39 382
3Ukrainian (uk)
ЕР1
15 291
4Japanese (ja)
ソ連運輸省ER1形電車
11 412
5German (de)
SŽD-Baureihe ЭР1
6 537
6Chinese (zh)
ER1型电力动车组
5 249
7Estonian (et)
ER1
678
8Belarusian (be)
Электрацягнік ЭР1
277
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 "ER1" in June 2025
#LanguagePopularity awardRelative popularity
1Russian (ru)
ЭР1
1 252
2English (en)
ER1 electric trainset
263
3Ukrainian (uk)
ЕР1
123
4Japanese (ja)
ソ連運輸省ER1形電車
107
5German (de)
SŽD-Baureihe ЭР1
45
6Chinese (zh)
ER1型电力动车组
29
7Estonian (et)
ER1
11
8Belarusian (be)
Электрацягнік ЭР1
5
More...

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

The highest AI

Language versions of the article "ER1" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1Russian (ru)
ЭР1
64
2German (de)
SŽD-Baureihe ЭР1
51
3English (en)
ER1 electric trainset
14
4Ukrainian (uk)
ЕР1
7
5Chinese (zh)
ER1型电力动车组
6
6Japanese (ja)
ソ連運輸省ER1形電車
5
7Belarusian (be)
Электрацягнік ЭР1
1
8Estonian (et)
ER1
1
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 "ER1" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Russian (ru)
ЭР1
1
2Chinese (zh)
ER1型电力动车组
1
3Belarusian (be)
Электрацягнік ЭР1
0
4German (de)
SŽD-Baureihe ЭР1
0
5English (en)
ER1 electric trainset
0
6Estonian (et)
ER1
0
7Japanese (ja)
ソ連運輸省ER1形電車
0
8Ukrainian (uk)
ЕР1
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 "ER1" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1Russian (ru)
ЭР1
136
2English (en)
ER1 electric trainset
123
3Japanese (ja)
ソ連運輸省ER1形電車
83
4Ukrainian (uk)
ЕР1
57
5Chinese (zh)
ER1型电力动车组
28
6German (de)
SŽD-Baureihe ЭР1
12
7Belarusian (be)
Электрацягнік ЭР1
4
8Estonian (et)
ER1
3
More...

Scores

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

Quality measures

Interwikis

#LanguageValue
beBelarusian
Электрацягнік ЭР1
deGerman
SŽD-Baureihe ЭР1
enEnglish
ER1 electric trainset
etEstonian
ER1
jaJapanese
ソ連運輸省ER1形電車
ruRussian
ЭР1
ukUkrainian
ЕР1
zhChinese
ER1型电力动车组

Popularity rank trends

Best Rank Estonian:
#40166
12.2019
Global:
#223868
08.2009

AI rank trends

Best Rank Estonian:
#8984
08.2020
Global:
#70417
02.2006

Local AI rank history

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on ER1 electric trainset from Wikipedia articles about ER2, Riga Railway Carriage Building Factory, Electric multiple unit, Wikipedia article and Ukrainian Railways. Whereas reading the article about ER1 electric trainset people most often go to Wikipedia articles on ER2, Riga Railway Carriage Building Factory, S, Wikipedia article and SN (electric train).

Cumulative results of quality and popularity of the Wikipedia article

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

ru: ЭР1
uk: ЕР1
et: ER1

News from 16 March 2026

On 16 March 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 98th Academy Awards, Michael B. Jordan, Sinners, Jessie Buckley, Paul Thomas Anderson, Sean Penn, One Battle After Another, Amy Madigan, Hamnet, Timothée Chalamet.

In Estonian Wikipedia the most popular articles on that day were: Riina Kionka, Lauri Lepik, Leopard, Nieves Lepp, Üks võitlus teise järel, Mart Laanemäe, Diana Klas, Kerdo Mölder, Saksamaa linnade loend, Eesti.

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