Lumen

Quality:

Lumen - SI unit of luminous flux. Article “Lumen” in Spanish Wikipedia has 23.5 points for quality (as of July 1, 2026). The article contains 11 references and 8 sections.

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

Since the creation of article “Lumen”, its content was written by 59 registered users of Spanish Wikipedia and edited by 1214 registered Wikipedia users in all languages.

The article is cited 95 times in Spanish Wikipedia and cited 3259 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Spanish): #1607 in April 2004
• Global: #4293 in January 2012

The highest popularity rank from 2008:

• Local (Spanish): #11118 in April 2011
• Global: #5615 in November 2014

There are 51 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) Lumen		57.365
2	English (en) Lumen (unit)		44.6629
3	Croatian (hr) Lumen		44.5543
4	Chinese (zh) 流明		42.1328
5	German (de) Lumen (Einheit)		40.4225
6	Greek (el) Λούμεν (μονάδα μέτρησης)		32.538
7	Basque (eu) Lumen (unitatea)		29.502
8	Ukrainian (uk) Люмен		29.1904
9	Serbian (sr) Лумен		28.5403
10	Romanian (ro) Lumen		26.6863

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

#	Language	Popularity award	Relative popularity
1	English (en) Lumen (unit)		6 957 675
2	German (de) Lumen (Einheit)		3 635 904
3	Russian (ru) Люмен		2 106 344
4	Spanish (es) Lumen		1 935 197
5	French (fr) Lumen (unité)		1 304 870
6	Japanese (ja) ルーメン		1 293 274
7	Italian (it) Lumen		847 441
8	Polish (pl) Lumen		754 946
9	Chinese (zh) 流明		694 395
10	Dutch (nl) Lumen (eenheid)		597 066

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) Lumen (unit)		9 077
2	German (de) Lumen (Einheit)		3 870
3	French (fr) Lumen (unité)		1 601
4	Russian (ru) Люмен		1 289
5	Chinese (zh) 流明		1 029
6	Japanese (ja) ルーメン		978
7	Italian (it) Lumen		769
8	Polish (pl) Lumen		652
9	Spanish (es) Lumen		461
10	Dutch (nl) Lumen (eenheid)		396

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

#	Language	AI award	Relative AI
1	English (en) Lumen (unit)		201
2	German (de) Lumen (Einheit)		142
3	Russian (ru) Люмен		72
4	French (fr) Lumen (unité)		71
5	Dutch (nl) Lumen (eenheid)		61
6	Spanish (es) Lumen		59
7	Italian (it) Lumen		51
8	Chinese (zh) 流明		39
9	Czech (cs) Lumen		35
10	Hungarian (hu) Lumen (mértékegység)		35

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	Arabic (ar) لومن		1
2	Catalan (ca) Lumen		1
3	Basque (eu) Lumen (unitatea)		1
4	Hungarian (hu) Lumen (mértékegység)		1
5	Belarusian (be) Люмен (адзінка вымярэння)		0
6	Bulgarian (bg) Лумен		0
7	Czech (cs) Lumen		0
8	Danish (da) Lumen		0
9	German (de) Lumen (Einheit)		0
10	Greek (el) Λούμεν (μονάδα μέτρησης)		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 Spanish Wikipedia the most popular articles on that day were: Copa Mundial de Fútbol de 2026, Julián Andrés Quiñones, Gilberto Mora Zambrano, Sebastián Beccacece, Raúl Jiménez, República Democrática del Congo, Javier Aguirre, Erling Haaland, Copa Mundial de Fútbol, Romelu Lukaku.

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