Year 2011 problem

Y1C Problem - potential problem involving computers and computer systems in Taiwan in the year 2011 (Minguo 100). Article “Year 2011 problem” in English Wikipedia has 12.1 points for quality (as of July 1, 2025). The article contains 2 references and 4 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 1.35 points.

This article has the best quality in Hebrew Wikipedia. However, this article is the most popular in English version.

Since the creation of article “Year 2011 problem”, its content was written by 54 registered users of English Wikipedia and edited by 115 registered Wikipedia users in all languages.

The article is cited 13 times in English Wikipedia and cited 81 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #76172 in August 2016
• Global: #172165 in January 2011

The highest popularity rank from 2008:

• Local (English): #71987 in December 2010
• Global: #112571 in December 2010

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.

#	Language	Quality grade	Quality score
1	Hebrew (he) באג 2011		27.3358
2	Chinese (zh) 民國百年蟲		17.6563
3	Vietnamese (vi) Sự cố máy tính năm 2011		14.5175
4	English (en) Year 2011 problem		12.1097
5	Japanese (ja) 民国100年問題		7.4239
6	Simple English (simple) Year 100 problem		4.2119
7	Korean (ko) 2011년 문제		2.27
8	Azerbaijani (az) 100-cü il problemi		2.0486

More...

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

The most popular language versions of the article "Year 2011 problem" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Year 2011 problem		121 788
2	Chinese (zh) 民國百年蟲		86 200
3	Japanese (ja) 民国100年問題		72 850
4	Simple English (simple) Year 100 problem		4 388
5	Vietnamese (vi) Sự cố máy tính năm 2011		876
6	Hebrew (he) באג 2011		482
7	Azerbaijani (az) 100-cü il problemi		441
8	Korean (ko) 2011년 문제		111

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 "Year 2011 problem" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Year 2011 problem		446
2	Simple English (simple) Year 100 problem		383
3	Chinese (zh) 民國百年蟲		351
4	Japanese (ja) 民国100年問題		168
5	Vietnamese (vi) Sự cố máy tính năm 2011		17
6	Hebrew (he) באג 2011		9
7	Korean (ko) 2011년 문제		8
8	Azerbaijani (az) 100-cü il problemi		7

More...

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

Language versions of the article "Year 2011 problem" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Year 2011 problem		54
2	Chinese (zh) 民國百年蟲		25
3	Japanese (ja) 民国100年問題		13
4	Simple English (simple) Year 100 problem		8
5	Azerbaijani (az) 100-cü il problemi		6
6	Hebrew (he) באג 2011		6
7	Vietnamese (vi) Sự cố máy tính năm 2011		3
8	Korean (ko) 2011년 문제		0

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 "Year 2011 problem" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Azerbaijani (az) 100-cü il problemi		0
2	English (en) Year 2011 problem		0
3	Hebrew (he) באג 2011		0
4	Japanese (ja) 民国100年問題		0
5	Korean (ko) 2011년 문제		0
6	Simple English (simple) Year 100 problem		0
7	Vietnamese (vi) Sự cố máy tính năm 2011		0
8	Chinese (zh) 民國百年蟲		0

More...

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

Language versions of the article "Year 2011 problem" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Japanese (ja) 民国100年問題		33
2	Chinese (zh) 民國百年蟲		25
3	English (en) Year 2011 problem		13
4	Hebrew (he) באג 2011		5
5	Azerbaijani (az) 100-cü il problemi		3
6	Simple English (simple) Year 100 problem		1
7	Vietnamese (vi) Sự cố máy tính năm 2011		1
8	Korean (ko) 2011년 문제		0

More...

#	Language	Value
az	Azerbaijani 100-cü il problemi
en	English Year 2011 problem
he	Hebrew באג 2011
ja	Japanese 民国100年問題
ko	Korean 2011년 문제
simple	Simple English Year 100 problem
vi	Vietnamese Sự cố máy tính năm 2011
zh	Chinese 民國百年蟲

Best Rank

English: #71987 12.2010

Global: #112571 12.2010

Best Rank

English: #76172 08.2016

Global: #172165 01.2011

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.

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