Wikipedia article depth

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The depth or editing depth of Wikipedia is one of several possible rough indicators of the encyclopedia's collaborative quality, showing how frequently its articles are updated.

It does not refer to academic quality, which cannot be computed, but to Wikipedian quality, i.e. the depth of collaborativeness—a descriptor that is highly relevant for a Wikipedia.

Definition[edit]

The formula assumes that a relatively high number of page edits and the presence of support pages means articles have been updated. And the latter support pages are assumed to be a more important factor.

In the list of Wikipedias, depth is currently defined as:

The depth can be simplified to the equivalent formula below:

NonArticles are user pages, redirects, images, "project" pages, categories, templates, and all talk pages. Total is simply NonArticles + Articles.

English Wikipedia has depth of 991 = 21.13 × 46.91 and is the deepest one for Wikipedias with number of articles greater than 10000.

For the unblocked Wikipedias, the Ripuarian Wikipedia has the largest depth, at 1066 = 155.8 × 6.84.

The Chechen Wikipedia has the smallest depth, at 0.185 = 9.7 × 0.019.

Background[edit]

The measurement of depth was introduced after some limitations of the classic measurement of article count were realized. This insight is similar to the various suggestions to redefine the ordering of Wikipedias that appear on the international front page www.wikipedia.org. See Top Ten Wikipedias and Talk:Www.wikipedia.org portal.

Still in early February 2006 the list of Wikipedias only listed the article count. But on February 10, 2006, this changed into a table format that also listed the total edit count, number of users and admins.

The depth column first appeared on November 29, 2006. The initial definition was edits/articles, giving the English Wikipedia a value of 62. This definition changed already the next day to (Edits/Articles) × (Non-Articles/Articles), giving the English Wikipedia a value of 209. The next definition change occurred on October 9, 2007, when the Stub-ratio factor was appended. The stub ratio is (1-(Articles/Total)).[1] The new value for the English Wikipedia was 288. The formula changed again on October 17, October 28, and finally on April 11, 2008.

The discussion of the introduction of the depth parameter is found in Talk:List of Wikipedias/Archive 4. Early on, there were discussions of whether depth implies quality. The changes in October 2007 were discussed in Talk:List of Wikipedias/Archive 5#Depth 2.0.

10 000+ articles[edit]

The table shows the list of Wikipedias with over 10,000 articles sorted by Depth.
Data on this page is automatically updated every day (Purge).

N.B.: Default sorting is by language code, but it is possible to sort the table by any column.

No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
No.
Language Language (local) Wiki Depth Articles Edits Total Pages
Afrikaans Afrikaans af 28.32 46,558 1,640,235 111,015
Alemannic Alemannisch als 22.59 23,214 785,371 51,453
Amharic አማርኛ am 38.79 13,765 353,872 43,992
Aragonese Aragonés an 77.3 32,362 1,640,180 104,010
Arabic العربية ar 189.1 538,008 27,039,313 3,003,921
Egyptian Arabic مصرى arz 307.89 17,103 820,087 141,964
Asturian Asturianu ast 4.85 50,136 1,101,049 79,868
Azerbaijani Azərbaycanca az 34 123,819 4,257,224 322,374
South Azerbaijani تۆرکجه azb 0.4 39,104 207,445 50,826
Bashkir Башҡорт ba 23.58 39,604 751,494 114,746
Bavarian Boarisch bar 61.78 22,954 646,839 90,403
Samogitian Žemaitėška bat-smg 6.09 16,126 357,893 27,075
Belarusian Беларуская be 25.92 145,425 2,762,809 441,317
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 32.54 61,264 1,994,633 160,347
Bulgarian Български bg 24.26 233,215 8,395,293 518,721
Bengali বাংলা bn 443.14 52,080 2,797,922 528,612
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.86 25,074 811,222 57,756
Breton Brezhoneg br 14.07 62,896 1,842,057 124,150
Bosnian Bosanski bs 119.13 75,128 3,056,489 354,322
Buginese Basa Ugi bug 1.04 14,136 199,152 18,525
Catalan Català ca 30.91 551,789 19,119,399 1,374,287
Chechen Нохчийн ce 0.19 164,301 1,813,177 187,003
Cebuano Sinugboanong Binisaya ceb 0.88 5,094,165 15,512,525 8,665,982
Sorani کوردی ckb 110.86 19,644 570,345 110,815
Czech Čeština cs 41.05 388,171 15,232,459 1,037,165
Chuvash Чăваш cv 4.43 40,553 630,685 68,738
Welsh Cymraeg cy 48.23 92,030 6,717,521 203,182
Danish Dansk da 66.44 230,838 9,188,147 778,541
German Deutsch de 97.63 2,093,924 173,027,048 5,921,241
Greek Ελληνικά el 69.42 135,093 6,730,648 414,387
English English en 990.96 5,465,206 906,238,121 42,894,889
Esperanto Esperanto eo 16.77 241,365 6,264,694 528,446
Spanish Español es 197.95 1,350,504 101,068,751 5,967,574
Estonian Eesti et 28.21 160,180 4,849,121 406,513
Basque Euskara eu 18.63 282,929 6,088,256 695,699
Persian فارسی fa 200.64 572,892 25,355,176 3,653,074
Finnish Suomi fi 44.83 420,225 17,543,578 1,136,327
Faroese Føroyskt fo 36.26 12,576 344,511 37,593
French Français fr 217.8 1,901,264 142,478,968 8,923,297
West Frisian Frysk fy 29.13 38,968 918,453 112,611
Irish Gaeilge ga 4.99 43,285 874,415 70,808
Scottish Gaelic Gàidhlig gd 21.89 14,582 550,650 30,690
Galician Galego gl 27.33 140,599 4,548,142 342,245
Gujarati ગુજરાતી gu 18.85 27,336 501,619 72,438
Hebrew עברית he 261.94 211,558 22,349,204 897,825
Hindi हिन्दी hi 117.24 120,765 3,660,028 687,465
Croatian Hrvatski hr 29.52 177,343 5,104,597 469,563
Upper Sorbian Hornjoserbsce hsb 28.08 12,126 365,686 30,765
Haitian Krèyol ayisyen ht 0.54 51,492 701,375 62,855
Hungarian Magyar hu 58.15 415,879 19,697,117 1,198,008
Armenian Հայերեն hy 38.91 228,379 5,394,553 764,717
Interlingua Interlingua ia 6.32 20,523 587,642 32,698
Indonesian Bahasa Indonesia id 124.21 408,484 14,138,775 2,207,208
Ido Ido io 5.77 27,215 916,151 41,050
Ilokano Ilokano ilo 76.32 10,840 327,299 46,556
Icelandic Íslenska is 38.66 43,494 1,621,060 115,758
Italian Italiano it 126.65 1,378,538 95,918,375 4,876,575
Japanese 日本語 ja 78.02 1,073,220 66,225,330 3,136,090
Javanese Basa Jawa jv 26.21 50,295 1,280,523 133,415
Georgian ქართული ka 33.87 117,211 3,457,269 327,005
Kazakh Қазақша kk 9.04 219,456 2,664,629 507,405
Kannada ಕನ್ನಡ kn 60.21 22,089 710,522 79,377
Korean 한국어 ko 112.41 395,449 21,212,759 1,516,488
Kurdish Kurdî ku 30.14 22,916 721,419 58,844
Kirghiz Кыргызча ky 0.21 75,478 300,572 94,746
Latin Latina la 12 127,131 3,382,991 245,871
Luxembourgish Lëtzebuergesch lb 27.62 49,953 2,109,305 109,864
Limburgish Limburgs li 114.69 12,017 436,451 59,555
Lombard Lumbaart lmo 31.2 35,999 1,107,956 94,830
Lithuanian Lietuvių lt 22.73 182,650 5,404,426 427,573
Latvian Latviešu lv 81.56 78,560 2,799,542 317,472
Maithili मैथिली mai 7.32 11,750 129,632 25,976
Banyumasan Basa Banyumasan map-bms 8.66 13,285 210,553 27,384
Malagasy Malagasy mg 10 83,458 837,013 218,231
Minangkabau Bahaso Minangkabau min 0.885 221,992 1,540,394 316,704
Macedonian Македонски mk 135.87 90,410 4,400,004 413,465
Malayalam മലയാളം ml 233.43 52,046 2,618,770 337,516
Mongolian Монгол mn 45.76 17,505 533,461 55,803
Marathi मराठी mr 75.73 48,366 1,546,351 199,575
Hill Mari Кырык Мары (Kyryk Mary) mrj 1.15 10,169 91,991 14,502
Malay Bahasa Melayu ms 15.47 303,507 4,460,530 813,163
Burmese language မ္ရန္‌မာစာ my 5.27 36,783 381,418 73,967
Mazandarani مَزِروني mzn 6.8 12,532 140,459 26,811
Neapolitan Nnapulitano nap 17.76 14,465 700,498 26,272
Low Saxon Plattdüütsch nds 33.3 26,611 823,112 72,042
Nepali नेपाली ne 22.09 30,707 616,409 83,981
Newari नेवारी new 12.7 72,134 842,921 196,127
Dutch Nederlands nl 13.36 1,909,312 50,843,566 3,822,602
Norwegian (Nynorsk) Nynorsk nn 17.5 134,429 2,974,916 318,408
Norwegian (Bokmål) Norsk (Bokmål) no 36.55 473,678 17,667,989 1,228,885
Occitan Occitan oc 7.02 83,520 2,213,637 138,943
Oriya ଓଡ଼ିଆ or 55.8 12,919 277,415 56,450
Ossetian Иронау os 97.24 10,518 488,544 40,311
Punjabi ਪੰਜਾਬੀ pa 24.36 26,657 394,110 89,272
Polish Polski pl 25.41 1,237,304 50,110,281 2,679,545
Piedmontese Piemontèis pms 2.46 64,168 867,092 98,002
Western Panjabi شاہ مکھی پنجابی pnb 1.19 45,057 518,014 62,085
Portuguese Português pt 143.4 976,657 50,674,600 4,437,659
Quechua Runa Simi qu 32.08 20,226 664,853 52,380
Romanian Română ro 87.03 378,470 11,651,976 1,744,736
Russian Русский ru 144.59 1,416,151 99,573,735 5,371,116
Sanskrit संस्कृतम् sa 99.55 11,183 424,150 49,176
Sakha Саха тыла sah 51.78 11,404 357,406 38,250
Sicilian Sicilianu scn 19.89 25,641 756,742 57,035
Scots Scots sco 25.56 46,399 628,715 167,463
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 790.65 439,587 40,804,032 4,581,292
Sinhalese සිංහල si 88.09 13,593 413,643 63,632
Simple English Simple English simple 75.63 127,337 5,749,489 430,293
Slovak Slovenčina sk 19.24 219,006 6,563,950 478,286
Slovenian Slovenščina sl 24.93 157,363 5,039,818 370,367
Albanian Shqip sq 30.68 68,101 1,904,906 185,947
Serbian Српски sr 97.58 355,099 15,326,197 1,424,552
Sundanese Basa Sunda su 4.17 38,657 547,911 66,073
Swedish Svenska sv 5.4 3,788,942 40,631,115 7,593,770
Swahili Kiswahili sw 22.06 37,269 1,051,460 87,868
Tamil தமிழ் ta 25.93 112,844 2,489,880 318,279
Telugu తెలుగు te 49.72 67,353 2,161,421 218,273
Tajik Тоҷикӣ tg 6.79 68,641 883,628 139,787
Thai ไทย th 240.98 118,757 7,527,112 667,909
Tagalog Tagalog tl 24.33 80,775 1,672,504 227,804
Turkish Türkçe tr 221.11 297,152 19,977,978 1,513,206
Tatar Татарча tt 25.56 72,246 2,226,440 174,501
Ukrainian Українська uk 40.12 714,377 21,105,750 2,162,824
Urdu اردو ur 171.5 123,031 5,617,165 686,150
Uzbek O‘zbek uz 61.67 128,961 2,661,341 616,327
Venetian Vèneto vec 76.84 10,944 601,850 33,617
Vietnamese Tiếng Việt vi 108.63 1,160,021 30,447,118 6,926,656
Volapük Volapük vo 15.15 120,521 3,312,632 249,177
Walloon Walon wa 22.29 14,592 335,484 37,681
Waray-Waray Winaray war 3.57 1,262,873 6,297,920 2,874,129
Yiddish ייִדיש yi 43.42 14,066 540,630 38,943
Yoruba Yorùbá yo 5.4 31,575 563,060 54,375
Chinese 中文 zh 170.93 958,087 47,025,225 5,071,695
Min Nan Bân-lâm-gú zh-min-nan 10.99 220,156 1,815,905 660,333
Cantonese 粵語 zh-yue 21.55 56,861 1,153,984 152,958
Language Language (local) Wiki Depth Articles Edits Total Pages


Trends[edit]

Trend of article depth.

The table shows how the depth of the largest 30 languages[2] of Wikipedia has developed over time.

Date en de fr pl ja it nl pt es ru sv zh no fi ca uk tr ro vo cs hu eo sk da id he ar ko lt sr
Today 991 98 218 25 78 127 13 143 198 145 5 171 37 45 31 40 221 87 15 41 58 17 19 66 124 262 189 112 23 98
1 Jan 2017 953 100 213 24 77 122 13 138 191 140 5 161 36 45 31 39 229 85 15 40 58 17 19 66 107 256 218 112 22 71
1 July 2016 933 102 208 22 75 120 12 136 187 136 6 165 37 45 31 38 226 82 15 40 58 17 18 66 104 253 233 105 21 66
1 Jan 2016 910 98 205 21 72 115 11 133 198 131 9 163 35 46 31 37 240 82 15 41 59 17 18 68 84 251 223 90 21 69
1 July 2015 888 97 205 21 71 109 11 130 190 125 12 147 34 46 31 36 229 77 15 42 76 17 18 70 76 253 214 87 31 66
1 Jan 2015 887 89 193 20 69 105 9 123 176 115 11 131 32 44 31 37 210 97 15 39 97 18 19 70 65 257 214 87 31 66
1 July 2014 868 90 181 18 68 101 9 121 174 113 11 114 26 45 30 27 211 94 16 39 99 18 18 69 60 256 237 80 31 63
1 Jan 2014 824 90 172 18 66 98 10 117 172 109 11 108 28 45 27 38 214 90 15 39 100 18 18 67 56 253 248 82 31 57
1 July 2013 769 89 164 19 64 95 9 112 170 106 15 100 28 45 26 38 212 88 15 39 100 18 18 66 112 249 235 82 18 64
1 Jan 2013 731 89 165 17 61 91 18 103 175 104 38 108 28 44 24 38 214 81 15 38 99 18 15 62 88 242 243 77 17 57
1 July 2012 688 88 157 16 58 89 19 96 166 99 44 148 28 44 22 36 207 101 13 38 98 17 15 58 89 236 241 76 16 52
1 Jan 2012 648 89 151 14 56 85 18 88 158 92 50 90 29 44 20 35 207 97 12 37 92 16 24 39 72 231 230 74 17 51
1 July 2011 613 89 145 13 54 81 30 82 163 91 48 83 27 43 18 34 192 93 12 37 90 16 22 36 63 227 225 71 17 47
1 Jan 2011 572 87 140 10 51 77 29 71 179 90 46 80 25 41 17 33 185 86 11 34 86 16 20 35 61 220 208 62 17 40
1 July 2010 522 88 139 11 49 75 30 77 189 91 35 68 24 39 18 31 177 73 10 32 81 15 19 34 61 208 197 51 19 47
1 Jan 2010 478 86 128 10 46 71 27 74 141 87 31 63 23 37 17 25 159 54 9 33 71 14 16 31 42 205 167 43 19 46
1 July 2009 440 84 121 10 43 66 25 71 116 81 28 63 22 35 17 26 132 36 8 32 70 13 14 28 35 184 142 39 17 56
1 Jan 2009 413 81 115 9 41 57 23 66 94 74 24 71 20 32 17 15 95 30 8 28 64 13 10 26 30 177 117 36 15 52
1 July 2008 368 77 101 8 38 47 21 58 69 63 19 56 20 30 15 10 66 25 8 26 51 12 8 24 24 159 108 34 14 46
1 Jan 2008 302 70 79 9 33 43 20 49 51 56 15 59 18 27 14 12 43 17 3 24 39 11 7 21 20 132 107 27 12 35
1 July 2007 320 100 59 15 36 59 23 31 39 32
1 Jan 2007 224 87 45 12 32 37 19 25 34 24

See also[edit]

Lists of Wikipedias by various criteria: edit

Notes[edit]

  1. List of Wikipedias
  2. At November 2008.