Planning fallacy

en

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Planning fallacy

Quality:

Planning fallacy - concept in behavioral economics that predictions about how much time will be needed to complete a future task display an optimism bias and underestimate the time needed. Article “Planning fallacy” in English Wikipedia has 49.7 points for quality (as of July 1, 2025). The article contains 33 references and 12 sections.

In this language version of Wikipedia the article has the best quality. Also, this article is the most popular in that (English) language version.

In June 2025 the article “Planning fallacy” was edited by 1 authors in English Wikipedia and written by 1 authors in all languages.

Since the creation of article “Planning fallacy”, its content was written by 82 registered users of English Wikipedia and edited by 177 registered Wikipedia users in all languages.

The article is cited 29 times in English Wikipedia and cited 290 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #59384 in November 2014
  • Global: #81360 in May 2007

The highest popularity rank from 2008:

  • Local (English): #34262 in December 2012
  • Global: #64970 in December 2012

There are 13 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, 2025 (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
1English (en)
Planning fallacy
49.7066
2Thai (th)
เหตุผลวิบัติในการวางแผน
44.5004
3Ukrainian (uk)
Омана планування
44.3596
4Russian (ru)
Ошибка планирования
39.1434
5Portuguese (pt)
Falácia do planejamento
37.5232
6German (de)
Planungsfehlschluss
35.8343
7Arabic (ar)
خطأ التخطيط
27.8768
8Japanese (ja)
計画錯誤
27.3215
9Chinese (zh)
規劃謬誤
22.4129
10Spanish (es)
Falacia de la planificación
5.0778
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 "Planning fallacy" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Planning fallacy
1 033 677
2Russian (ru)
Ошибка планирования
52 478
3German (de)
Planungsfehlschluss
52 279
4Spanish (es)
Falacia de la planificación
32 350
5Polish (pl)
Złudzenie planowania
20 705
6Ukrainian (uk)
Омана планування
10 106
7Chinese (zh)
規劃謬誤
6 553
8Portuguese (pt)
Falácia do planejamento
3 351
9Arabic (ar)
خطأ التخطيط
3 252
10Bulgarian (bg)
Грешка при планирането
2 297
More...

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

Most popular in June 2025

The most popular language versions of the article "Planning fallacy" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Planning fallacy
3 836
2Russian (ru)
Ошибка планирования
344
3German (de)
Planungsfehlschluss
191
4Chinese (zh)
規劃謬誤
150
5Japanese (ja)
計画錯誤
87
6Spanish (es)
Falacia de la planificación
85
7Portuguese (pt)
Falácia do planejamento
48
8Polish (pl)
Złudzenie planowania
45
9Ukrainian (uk)
Омана планування
37
10Arabic (ar)
خطأ التخطيط
33
More...

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

The highest AI

Language versions of the article "Planning fallacy" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Planning fallacy
82
2German (de)
Planungsfehlschluss
48
3Spanish (es)
Falacia de la planificación
9
4Bulgarian (bg)
Грешка при планирането
7
5Polish (pl)
Złudzenie planowania
5
6Russian (ru)
Ошибка планирования
5
7Ukrainian (uk)
Омана планування
5
8Arabic (ar)
خطأ التخطيط
4
9Portuguese (pt)
Falácia do planejamento
4
10Thai (th)
เหตุผลวิบัติในการวางแผน
4
More...

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

The highest AI in June 2025

Language versions of the article "Planning fallacy" with the highest AI in June 2025
#LanguageAI awardRelative AI
1English (en)
Planning fallacy
1
2Arabic (ar)
خطأ التخطيط
0
3Bulgarian (bg)
Грешка при планирането
0
4German (de)
Planungsfehlschluss
0
5Spanish (es)
Falacia de la planificación
0
6Persian (fa)
مغالطه برنامه‌ریزی
0
7Japanese (ja)
計画錯誤
0
8Polish (pl)
Złudzenie planowania
0
9Portuguese (pt)
Falácia do planejamento
0
10Russian (ru)
Ошибка планирования
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 "Planning fallacy" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1Chinese (zh)
規劃謬誤
229
2English (en)
Planning fallacy
29
3Ukrainian (uk)
Омана планування
8
4German (de)
Planungsfehlschluss
5
5Spanish (es)
Falacia de la planificación
5
6Thai (th)
เหตุผลวิบัติในการวางแผน
5
7Arabic (ar)
خطأ التخطيط
3
8Polish (pl)
Złudzenie planowania
2
9Bulgarian (bg)
Грешка при планирането
1
10Persian (fa)
مغالطه برنامه‌ریزی
1
More...

Scores

Estimated value for Wikipedia:
English:
Global:
Popularity in June 2025:
English:
Global:
Popularity in all years:
English:
Global:
Authors in June 2025:
English:
Global:
Registered authors in all years:
English:
Global:
Citations:
English:
Global:

Quality measures

Interwikis

#LanguageValue
arArabic
خطأ التخطيط
bgBulgarian
Грешка при планирането
deGerman
Planungsfehlschluss
enEnglish
Planning fallacy
esSpanish
Falacia de la planificación
faPersian
مغالطه برنامه‌ریزی
jaJapanese
計画錯誤
plPolish
Złudzenie planowania
ptPortuguese
Falácia do planejamento
ruRussian
Ошибка планирования
thThai
เหตุผลวิบัติในการวางแผน
ukUkrainian
Омана планування
zhChinese
規劃謬誤

Popularity rank trends

Best Rank English:
#34262
12.2012
Global:
#64970
12.2012

AI rank trends

Best Rank English:
#59384
11.2014
Global:
#81360
05.2007

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Planning fallacy from Wikipedia articles about Parkinsons law, List of cognitive biases, Thinking, Fast and Slow, Hofstadters law and Lindy Effect. Whereas reading the article about Planning fallacy people most often go to Wikipedia articles on Hofstadters law, Optimism bias, Daniel Kahneman, Parkinsons law and Hiding hand principle.

Cumulative results of quality and popularity of the Wikipedia article

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

News from 16 March 2026

On 16 March 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 98th Academy Awards, Michael B. Jordan, Sinners, Jessie Buckley, Paul Thomas Anderson, Sean Penn, One Battle After Another, Amy Madigan, Hamnet, Timothée Chalamet.

In English Wikipedia the most popular articles on that day were: 98th Academy Awards, Michael B. Jordan, Paul Thomas Anderson, Jessie Buckley, Sinners (2025 film), Amy Madigan, Autumn Durald Arkapaw, Maya Rudolph, Sean Penn, Academy Awards.

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 July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information