Lactose intolerance

Quality:

Lactose intolerance - condition involving a decreased ability to digest lactose due to a lack of lactase in the small intestines, either genetically or from injury. Article “Lactose intolerance” in Simple English Wikipedia has 35.2 points for quality (as of July 1, 2026). The article contains 14 references and 10 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 6.21 points.

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

Achievements in all the time:

Global Wikipedia:

The 8209^th most popular in all topics.

Since the creation of article “Lactose intolerance”, its content was written by 21 registered users of Simple English Wikipedia and edited by 2457 registered Wikipedia users in all languages.

The article is cited 19 times in Simple English Wikipedia and cited 2217 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Simple English): #508 in June 2011
• Global: #2182 in April 2012

The highest popularity rank from 2008:

• Local (Simple English): #2118 in January 2011
• Global: #3812 in June 2011

There are 42 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	Turkish (tr) Laktoz intoleransı		85.7143
2	English (en) Lactose intolerance		85.6416
3	Hungarian (hu) Laktózérzékenység		82.1273
4	Chinese (zh) 乳糖不耐		66.7921
5	Spanish (es) Intolerancia a la lactosa		62.3896
6	German (de) Laktoseintoleranz		60.5917
7	Portuguese (pt) Intolerância à lactose		55.6075
8	Arabic (ar) عدم تحمل اللاكتوز		53.9457
9	Estonian (et) Laktoositalumatus		53.4574
10	Russian (ru) Непереносимость лактозы		52.9882

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

#	Language	Popularity award	Relative popularity
1	English (en) Lactose intolerance		12 885 734
2	German (de) Laktoseintoleranz		5 917 342
3	Spanish (es) Intolerancia a la lactosa		2 035 052
4	Russian (ru) Непереносимость лактозы		1 745 974
5	Japanese (ja) 乳糖不耐症		1 696 261
6	Chinese (zh) 乳糖不耐		1 542 817
7	French (fr) Intolérance au lactose		970 112
8	Polish (pl) Nietolerancja laktozy		915 359
9	Dutch (nl) Lactose-intolerantie		828 720
10	Italian (it) Intolleranza al lattosio		579 667

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) Lactose intolerance		11 619
2	German (de) Laktoseintoleranz		3 285
3	Russian (ru) Непереносимость лактозы		3 137
4	Chinese (zh) 乳糖不耐		2 568
5	Japanese (ja) 乳糖不耐症		1 252
6	Spanish (es) Intolerancia a la lactosa		694
7	French (fr) Intolérance au lactose		542
8	Italian (it) Intolleranza al lattosio		470
9	Czech (cs) Intolerance laktózy		429
10	Persian (fa) عدم تحمل لاکتوز		429

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

#	Language	AI award	Relative AI
1	English (en) Lactose intolerance		830
2	German (de) Laktoseintoleranz		393
3	French (fr) Intolérance au lactose		114
4	Spanish (es) Intolerancia a la lactosa		104
5	Dutch (nl) Lactose-intolerantie		89
6	Russian (ru) Непереносимость лактозы		88
7	Italian (it) Intolleranza al lattosio		86
8	Finnish (fi) Laktoosi-intoleranssi		82
9	Swedish (sv) Laktosintolerans		75
10	Chinese (zh) 乳糖不耐		62

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) Lactose intolerance		3
2	Catalan (ca) Intolerància a la lactosa		1
3	Basque (eu) Laktosarekiko jasanezintasun		1
4	Hungarian (hu) Laktózérzékenység		1
5	Russian (ru) Непереносимость лактозы		1
6	Turkish (tr) Laktoz intoleransı		1
7	Chinese (zh) 乳糖不耐		1
8	Arabic (ar) عدم تحمل اللاكتوز		0
9	Bulgarian (bg) Лактозна толерантност		0
10	Czech (cs) Intolerance laktózy		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 Simple English Wikipedia the most popular articles on that day were: List of European countries, Black, List of sex positions, 2026 Iran war, Suresh Raina, Politics of Germany, Academy Award for Best Director, 2020, DYSS-TV, 2022.

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