Second

Quality:

Second - SI unit of time, defined as 9 192 631 770 periods of the ground-state hyperfine transitions of caesium-133. Article “Second” in English Wikipedia has 55.3 points for quality (as of July 1, 2026). The article contains 32 references and 21 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:

Global Wikipedia:

The 5421^st most popular in AI.

Achievements in the last month:

Global Wikipedia:

The 6312^th most popular in AI in the last month.

In June 2026 the article “Second” was edited by 2 authors in English Wikipedia and written by 26 authors in all languages (6312^th place).

Since the creation of article “Second”, its content was written by 611 registered users of English Wikipedia and edited by 3457 registered Wikipedia users in all languages (5421^st place).

The article is cited 2319 times in English Wikipedia and cited 67950 times in all languages (2503^rd place).

The highest Authors Interest rank from 2001:

• Local (English): #221 in September 2002
• Global: #440 in September 2002

The highest popularity rank from 2008:

• Local (English): #647 in November 2015
• Global: #1650 in November 2015

There are 54 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) Segon		60.9267
2	Esperanto (eo) Sekundo		59.4616
3	Tamil (ta) நொடி (கால அளவு)		59.3503
4	Basque (eu) Segundo		57.9632
5	English (en) Second		55.2551
6	Chinese (zh) 秒		51.3859
7	Japanese (ja) 秒		48.6586
8	Ukrainian (uk) Секунда		47.8503
9	Croatian (hr) Sekunda		45.3282
10	Slovenian (sl) Sekunda		43.9683

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

#	Language	Popularity award	Relative popularity
1	English (en) Second		7 590 543
2	Spanish (es) Segundo		3 840 584
3	German (de) Sekunde		2 464 829
4	Russian (ru) Секунда		2 081 230
5	Japanese (ja) 秒		1 557 882
6	French (fr) Seconde (temps)		1 540 305
7	Portuguese (pt) Segundo		935 080
8	Polish (pl) Sekunda		803 900
9	Italian (it) Secondo		796 414
10	Arabic (ar) ثانية		566 257

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) Second		17 508
2	Russian (ru) Секунда		3 683
3	German (de) Sekunde		2 806
4	Spanish (es) Segundo		2 653
5	French (fr) Seconde (temps)		2 497
6	Japanese (ja) 秒		2 121
7	Chinese (zh) 秒		1 132
8	Polish (pl) Sekunda		1 053
9	Italian (it) Secondo		938
10	Portuguese (pt) Segundo		786

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

#	Language	AI award	Relative AI
1	English (en) Second		611
2	German (de) Sekunde		273
3	French (fr) Seconde (temps)		236
4	Russian (ru) Секунда		155
5	Italian (it) Secondo		147
6	Spanish (es) Segundo		123
7	Dutch (nl) Seconde		114
8	Simple English (simple) Second		103
9	Chinese (zh) 秒		98
10	Japanese (ja) 秒		96

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	Korean (ko) 초 (시간)		9
2	Greek (el) Δευτερόλεπτο		5
3	Azerbaijani (az) Saniyə		2
4	English (en) Second		2
5	Spanish (es) Segundo		2
6	Lithuanian (lt) Sekundė		2
7	Catalan (ca) Segon		1
8	Basque (eu) Segundo		1
9	Hebrew (he) שנייה		1
10	Romanian (ro) Secundă		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