Line 9 (CPTM)

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Line 9 (CPTM)

Quality:

Line 9 - commuter rail line in São Paulo. Article “Line 9 (CPTM)” in English Wikipedia has 20.3 points for quality (as of July 1, 2025). The article contains 3 references and 5 sections.

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

Since the creation of article “Line 9 (CPTM)”, its content was written by 24 registered users of English Wikipedia and edited by 127 registered Wikipedia users in all languages.

The article is cited 120 times in English Wikipedia and cited 1224 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #84418 in April 2016
  • Global: #65125 in July 2023

The highest popularity rank from 2008:

  • Local (English): #1468967 in February 2020
  • Global: #576277 in March 2022

There are 5 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
1Portuguese (pt)
Linha 9 do Trem Metropolitano de São Paulo
62.9213
2French (fr)
Ligne 9-Émeraude
31.8187
3Spanish (es)
Línea 9 de CPTM
24.4086
4English (en)
Line 9 (CPTM)
20.2644
5Ukrainian (uk)
Лінія 9 CPTM
1.0737
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 "Line 9 (CPTM)" in all the time
#LanguagePopularity awardRelative popularity
1Portuguese (pt)
Linha 9 do Trem Metropolitano de São Paulo
86 719
2English (en)
Line 9 (CPTM)
27 248
3Spanish (es)
Línea 9 de CPTM
10 551
4Ukrainian (uk)
Лінія 9 CPTM
1 285
5French (fr)
Ligne 9-Émeraude
711
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 "Line 9 (CPTM)" in June 2025
#LanguagePopularity awardRelative popularity
1Portuguese (pt)
Linha 9 do Trem Metropolitano de São Paulo
1 503
2English (en)
Line 9 (CPTM)
180
3Spanish (es)
Línea 9 de CPTM
54
4French (fr)
Ligne 9-Émeraude
16
5Ukrainian (uk)
Лінія 9 CPTM
6
More...

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

The highest AI

Language versions of the article "Line 9 (CPTM)" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1Portuguese (pt)
Linha 9 do Trem Metropolitano de São Paulo
82
2English (en)
Line 9 (CPTM)
24
3Spanish (es)
Línea 9 de CPTM
12
4French (fr)
Ligne 9-Émeraude
6
5Ukrainian (uk)
Лінія 9 CPTM
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 "Line 9 (CPTM)" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Portuguese (pt)
Linha 9 do Trem Metropolitano de São Paulo
1
2English (en)
Line 9 (CPTM)
0
3Spanish (es)
Línea 9 de CPTM
0
4French (fr)
Ligne 9-Émeraude
0
5Ukrainian (uk)
Лінія 9 CPTM
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 "Line 9 (CPTM)" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1Portuguese (pt)
Linha 9 do Trem Metropolitano de São Paulo
1 005
2English (en)
Line 9 (CPTM)
120
3French (fr)
Ligne 9-Émeraude
63
4Spanish (es)
Línea 9 de CPTM
29
5Ukrainian (uk)
Лінія 9 CPTM
7
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
Line 9 (CPTM)
esSpanish
Línea 9 de CPTM
frFrench
Ligne 9-Émeraude
ptPortuguese
Linha 9 do Trem Metropolitano de São Paulo
ukUkrainian
Лінія 9 CPTM

Popularity rank trends

Best Rank English:
#1468967
02.2020
Global:
#576277
03.2022

AI rank trends

Best Rank English:
#84418
04.2016
Global:
#65125
07.2023

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Line 9 from Wikipedia articles about Line 8, Estação Varginha, Line 17, Companhia Paulista de Trens Metropolitanos and Line 5. Whereas reading the article about Line 9 people most often go to Wikipedia articles on Estação Varginha, Line 8, Line 17, Line 4 and Mendes-Vila Natal (CPTM).

Cumulative results of quality and popularity of the Wikipedia article

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

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 English Wikipedia the most popular articles on that day were: 98th Academy Awards, Michael B. Jordan, Paul Thomas Anderson, Jessie Buckley, Sinners (2025 film), Amy Madigan, Autumn Durald Arkapaw, Maya Rudolph, Sean Penn, Academy Awards.

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