0.999...

Quality:

0.999... - alternative decimal expansion of 1. Article “0.999...” in English Wikipedia has 81.7 points for quality (as of July 1, 2026). The article contains 98 references and 28 sections.

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

Achievements in all the time:

English Wikipedia:

en

The 6083^rd most editable in English Wikipedia.

Global Wikipedia:

The 6033^rd most popular in AI.

In June 2026 the article “0.999...” was edited by 4 authors in English Wikipedia and written by 15 authors in all languages.

Since the creation of article “0.999...”, its content was written by 1053 registered users of English Wikipedia (6083^rd place) and edited by 3289 registered Wikipedia users in all languages (6033^rd place).

The article is cited 66 times in English Wikipedia and cited 580 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #16 in October 2006
• Global: #6 in October 2006

The highest popularity rank from 2008:

• Local (English): #10106 in May 2016
• Global: #6906 in August 2010

There are 45 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, 2026 (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	Catalan (ca) 0,999...		86.2478
2	English (en) 0.999...		81.7199
3	Malay (ms) 0.999...		78.6066
4	Chinese (zh) 0.999…		77.3025
5	Greek (el) 0,999...		71.4963
6	Indonesian (id) 0,999...		68.9641
7	Portuguese (pt) 0,999...		67.1201
8	Serbian (sr) 0,999...		66.3232
9	Hungarian (hu) 0,999…		64.6789
10	Korean (ko) 0.999…		64.1065

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

#	Language	Popularity award	Relative popularity
1	English (en) 0.999...		4 743 716
2	Japanese (ja) 0.999...		1 584 288
3	Spanish (es) 0,999…		649 619
4	Russian (ru) 0,(9)		424 027
5	Chinese (zh) 0.999…		408 320
6	Italian (it) 0,999...		255 396
7	Polish (pl) 0,(9)		243 316
8	Persian (fa) ۰٫۹۹۹…		231 504
9	German (de) 0,999…		230 756
10	Indonesian (id) 0,999...		185 675

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

#	Language	Popularity award	Relative popularity
1	English (en) 0.999...		18 041
2	Japanese (ja) 0.999...		2 399
3	French (fr) 0,999…		1 019
4	German (de) 0,999…		952
5	Chinese (zh) 0.999…		872
6	Spanish (es) 0,999…		674
7	Italian (it) 0,999...		435
8	Polish (pl) 0,(9)		362
9	Russian (ru) 0,(9)		354
10	Vietnamese (vi) 0,999...		298

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

#	Language	AI award	Relative AI
1	English (en) 0.999...		1 053
2	German (de) 0,999…		591
3	Chinese (zh) 0.999…		174
4	Japanese (ja) 0.999...		164
5	French (fr) 0,999…		139
6	Italian (it) 0,999...		99
7	Hebrew (he) 0.999...		93
8	Spanish (es) 0,999…		89
9	Hungarian (hu) 0,999…		79
10	Russian (ru) 0,(9)		78

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

#	Language	AI award	Relative AI
1	English (en) 0.999...		4
2	Hungarian (hu) 0,999…		2
3	Azerbaijani (az) 0,(9)		1
4	Catalan (ca) 0,999...		1
5	German (de) 0,999…		1
6	French (fr) 0,999…		1
7	Italian (it) 0,999...		1
8	Japanese (ja) 0.999...		1
9	Korean (ko) 0.999…		1
10	Polish (pl) 0,(9)		1

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

On 1 July 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2026 FIFA World Cup, Kylian Mbappé, Erling Haaland, Democratic Republic of the Congo, FIFA World Cup, Harry Kane, Romelu Lukaku, Senegal, Michael Olise, Sadio Mané.

In English Wikipedia the most popular articles on that day were: 2026 FIFA World Cup, Harry Kane, Julián Quiñones, List of FIFA World Cup top goalscorers, Kylian Mbappé, Democratic Republic of the Congo, Erling Haaland, DR Congo national football team, Melat Kiros, FIFA World Cup.

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 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information