Half-life

Quality:

Half-life - mean duration after which a decaying quantity has reached half of its initial value. Article "Half-life" in English Wikipedia has 36 points for quality (as of August 1, 2024). The article contains 14 references and 10 sections.

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

Achievements in all the time:
Global Wikipedia:
The 9069th most popular in all topics.

Since the creation of article "Half-life", its content was written by 465 registered users of English Wikipedia and edited by 1971 registered Wikipedia users in all languages.

The article is cited 1310 times in English Wikipedia and cited 16113 times in all languages (9937th place).

The highest Authors Interest rank from 2001:

  • Local (English): #359 in December 2001
  • Global: #378 in December 2001

The highest popularity rank from 2008:

  • Local (English): #2758 in March 2011
  • Global: #710 in March 2011

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 August 1, 2024 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

Languages with the highest quality

#LanguageQuality gradeQuality score
1Russian (ru)
Период полураспада
52.2871
2Slovak (sk)
Polčas premeny
45.8872
3German (de)
Halbwertszeit
40.7238
4English (en)
Half-life
36.0445
5Czech (cs)
Poločas přeměny
35.4804
6Vietnamese (vi)
Chu kỳ bán rã
33.5696
7Japanese (ja)
半減期
29.6969
8Tamil (ta)
அரைவாழ்வுக் காலம்
26.244
9Italian (it)
Emivita (fisica)
23.627
10Greek (el)
Χρόνος ημιζωής
22.6927
More...

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

Most popular in all the time

The most popular language versions of the article "Half-life" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Half-life
12 258 398
2German (de)
Halbwertszeit
3 079 263
3Japanese (ja)
半減期
1 773 529
4Russian (ru)
Период полураспада
1 500 477
5Polish (pl)
Czas połowicznego rozpadu
1 069 343
6French (fr)
Demi-vie
1 048 616
7Chinese (zh)
半衰期
616 571
8Portuguese (pt)
Meia-vida
566 037
9Dutch (nl)
Halveringstijd
529 213
10Italian (it)
Emivita (fisica)
486 532
More...

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

Most popular in July 2024

The most popular language versions of the article "Half-life" in July 2024
#LanguagePopularity awardRelative popularity
1English (en)
Half-life
20 284
2German (de)
Halbwertszeit
5 029
3Russian (ru)
Период полураспада
3 998
4Japanese (ja)
半減期
3 583
5Arabic (ar)
عمر النصف
2 678
6Korean (ko)
반감기
2 618
7Chinese (zh)
半衰期
2 454
8French (fr)
Demi-vie
2 323
9Italian (it)
Emivita (fisica)
1 413
10Thai (th)
ครึ่งชีวิต
1 253
More...

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

The highest AI

Language versions of the article "Half-life" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Half-life
465
2German (de)
Halbwertszeit
262
3French (fr)
Demi-vie
113
4Dutch (nl)
Halveringstijd
84
5Italian (it)
Emivita (fisica)
77
6Russian (ru)
Период полураспада
59
7Danish (da)
Halveringstid
53
8Japanese (ja)
半減期
51
9Hebrew (he)
מחצית חיים
49
10Chinese (zh)
半衰期
49
More...

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

The highest AI in July 2024

Language versions of the article "Half-life" with the highest AI in July 2024
#LanguageAI awardRelative AI
1Persian (fa)
نیمه‌عمر
2
2German (de)
Halbwertszeit
1
3Esperanto (eo)
Duoniĝa tempo
1
4Italian (it)
Emivita (fisica)
1
5Polish (pl)
Czas połowicznego rozpadu
1
6Serbo-Croatian (sh)
Vreme poluraspada
1
7Arabic (ar)
عمر النصف
0
8Azerbaijani (az)
Yarımparçalanma periodu
0
9Belarusian (be)
Перыяд паўраспаду
0
10Bulgarian (bg)
Период на полуразпад
0
More...

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

The highest CI

Language versions of the article "Half-life" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1Dutch (nl)
Halveringstijd
1 443
2English (en)
Half-life
1 310
3French (fr)
Demi-vie
1 291
4German (de)
Halbwertszeit
689
5Hungarian (hu)
Felezési idő
685
6Ukrainian (uk)
Період напіврозпаду
658
7Chinese (zh)
半衰期
620
8Japanese (ja)
半減期
542
9Persian (fa)
نیمه‌عمر
466
10Russian (ru)
Период полураспада
462
More...

Scores

Estimated value for Wikipedia:
English:
Global:
Popularity in July 2024:
English:
Global:
Popularity in all years:
English:
Global:
Authors in July 2024:
English:
Global:
Registered authors in all years:
English:
Global:
Citations:
English:
Global:

Quality measures

Interwikis

#LanguageValue
arArabic
عمر النصف
azAzerbaijani
Yarımparçalanma periodu
beBelarusian
Перыяд паўраспаду
bgBulgarian
Период на полуразпад
caCatalan
Període de semidesintegració
csCzech
Poločas přeměny
daDanish
Halveringstid
deGerman
Halbwertszeit
elGreek
Χρόνος ημιζωής
enEnglish
Half-life
eoEsperanto
Duoniĝa tempo
esSpanish
Semivida
etEstonian
Poolestusaeg
euBasque
Semidesintegrazio-periodo
faPersian
نیمه‌عمر
fiFinnish
Puoliintumisaika
frFrench
Demi-vie
glGalician
Período de semidesintegración
heHebrew
מחצית חיים
hiHindi
अर्धायु काल
hrCroatian
Vrijeme poluraspada
huHungarian
Felezési idő
idIndonesian
Waktu paruh
itItalian
Emivita (fisica)
jaJapanese
半減期
kaGeorgian
ნახევრად დაშლის პერიოდი
kkKazakh
Жартылай ыдырау мерзімі
koKorean
반감기
ltLithuanian
Pusėjimo trukmė
msMalay
Separuh hayat
nlDutch
Halveringstijd
nnNorwegian (Nynorsk)
Halveringstid
noNorwegian
Halveringstid
plPolish
Czas połowicznego rozpadu
ptPortuguese
Meia-vida
roRomanian
Perioadă de înjumătățire
ruRussian
Период полураспада
shSerbo-Croatian
Vreme poluraspada
simpleSimple English
Half-life (element)
skSlovak
Polčas premeny
slSlovenian
Razpolovni čas
srSerbian
Време полураспада
svSwedish
Halveringstid
taTamil
அரைவாழ்வுக் காலம்
thThai
ครึ่งชีวิต
trTurkish
Yarı ömür
ukUkrainian
Період напіврозпаду
urUrdu
نصف حیات
viVietnamese
Chu kỳ bán rã
zhChinese
半衰期
zhminnanMin Nan
Poàn-kiám-kî

Popularity rank trends

Best Rank English:
#2758
03.2011
Global:
#710
03.2011

AI rank trends

Best Rank English:
#359
12.2001
Global:
#378
12.2001

Local popularity rank history

Global popularity rank history

Local AI rank history

Global AI rank history

Languages comparison

Important global interconnections

Wikipedia readers most often find their way to information on Half-life from Wikipedia articles about Radioactivity, Uranium, Uranium-235, Chernobyl disaster and Plutonium. Whereas reading the article about Half-life people most often go to Wikipedia articles on Exponential decay, Radioactivity, Half-Life, List of radioactive nuclides by half-life and Half-Life.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

zhminnan: Poàn-kiám-kî

News from 13 April 2025

On 13 April 2025 in multilingual Wikipedia, Internet users most often read articles on the following topics: Palm Sunday, Black Mirror, Rory McIlroy, ChatGPT, Alexander Volkanovski, A Minecraft Movie, Paddy Pimblett, Adolescence, list of Black Mirror episodes, Diego Lopes.

In English Wikipedia the most popular articles on that day were: Rory McIlroy, Justin Rose, Bryson DeChambeau, List of Masters Tournament champions, Grand Slam (golf), UFC 314, Kyren Lacy, Paddy Pimblett, Jaat (film), 1989 Tiananmen Square protests and massacre.

About WikiRank

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 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from August, 2024. When calculating current popularity and AI of articles data from July 2024 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2023... More information