Calcium

Quality:

Calcium - chemical element with symbol Ca and atomic number 20. Article “Calcium” in English Wikipedia has 96.1 points for quality (as of July 1, 2026). The article contains 111 references and 22 sections.

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

Achievements in all the time:

Global Wikipedia:

The 3377^th most popular in all topics.

The 3217^th most popular in AI.

Since the creation of article “Calcium”, its content was written by 801 registered users of English Wikipedia and edited by 4409 registered Wikipedia users in all languages (3217^th place).

The article is cited 4812 times in English Wikipedia (5220^th place) and cited 48855 times in all languages (3347^th place).

The highest Authors Interest rank from 2001:

• Local (English): #280 in August 2001
• Global: #193 in June 2003

The highest popularity rank from 2008:

• Local (English): #2452 in October 2008
• Global: #1551 in October 2008

There are 55 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	Chinese (zh) 钙		99.836
2	Indonesian (id) Kalsium		97.6584
3	English (en) Calcium		96.1282
4	German (de) Calcium		90.9869
5	Vietnamese (vi) Calci		83.9736
6	Simple English (simple) Calcium		80.5543
7	Italian (it) Calcio (elemento chimico)		80.5434
8	Tamil (ta) கல்சியம்		61.6524
9	French (fr) Calcium		52.9212
10	Arabic (ar) كالسيوم		51.8244

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

#	Language	Popularity award	Relative popularity
1	English (en) Calcium		14 238 808
2	Spanish (es) Calcio		7 825 522
3	German (de) Calcium		3 870 456
4	Russian (ru) Кальций		3 629 144
5	Portuguese (pt) Cálcio		2 588 632
6	Japanese (ja) カルシウム		2 255 026
7	French (fr) Calcium		2 083 920
8	Polish (pl) Wapń		1 623 735
9	Arabic (ar) كالسيوم		1 104 602
10	Italian (it) Calcio (elemento chimico)		1 027 899

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) Calcium		16 088
2	Russian (ru) Кальций		5 085
3	German (de) Calcium		4 892
4	French (fr) Calcium		2 943
5	Spanish (es) Calcio		2 922
6	Japanese (ja) カルシウム		2 837
7	Chinese (zh) 钙		1 646
8	Persian (fa) کلسیم		1 597
9	Polish (pl) Wapń		1 094
10	Portuguese (pt) Cálcio		1 092

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

#	Language	AI award	Relative AI
1	English (en) Calcium		801
2	German (de) Calcium		395
3	French (fr) Calcium		234
4	Spanish (es) Calcio		208
5	Italian (it) Calcio (elemento chimico)		201
6	Russian (ru) Кальций		178
7	Dutch (nl) Calcium		143
8	Japanese (ja) カルシウム		134
9	Hebrew (he) סידן		123
10	Portuguese (pt) Cálcio		118

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	Japanese (ja) カルシウム		2
2	Finnish (fi) Kalsium		1
3	French (fr) Calcium		1
4	Dutch (nl) Calcium		1
5	Simple English (simple) Calcium		1
6	Serbian (sr) Калцијум		1
7	Tamil (ta) கல்சியம்		1
8	Vietnamese (vi) Calci		1
9	Arabic (ar) كالسيوم		0
10	Azerbaijani (az) Kalsium		0

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