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 997 = 21.12 × 47.21 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 1070 = 155.77 × 6.87.

The Chechen Wikipedia has the smallest depth, at 0.19 = 9.93 × 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 28.01 46,990 1,648,033 111,757
Alemannic Alemannisch als 26.68 23,356 796,991 55,064
Amharic አማርኛ am 38.76 13,818 355,060 44,155
Aragonese Aragonés an 77.23 32,388 1,640,951 104,066
Arabic العربية ar 194.32 540,604 27,363,575 3,061,183
Egyptian Arabic مصرى arz 307.37 17,222 822,951 143,151
Asturian Asturianu ast 4.97 50,533 1,114,343 80,866
Azerbaijani Azərbaycanca az 34.2 124,758 4,285,515 325,794
South Azerbaijani تۆرکجه azb 0.2 47,402 221,101 59,515
Bashkir Башҡорт ba 23.7 39,850 756,461 115,720
Bavarian Boarisch bar 61.39 23,094 649,418 90,722
Samogitian Žemaitėška bat-smg 6.1 16,132 358,042 27,095
Belarusian Беларуская be 29.56 146,060 2,877,146 465,432
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 32.8 61,406 2,000,092 161,270
Bulgarian Български bg 24.41 234,409 8,489,340 521,432
Bengali বাংলা bn 444.76 52,443 2,819,818 533,520
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.95 25,077 811,378 57,846
Breton Brezhoneg br 14.09 63,057 1,847,242 124,519
Bosnian Bosanski bs 118.46 75,439 3,069,248 354,482
Buginese Basa Ugi bug 1.07 14,120 199,672 18,578
Catalan Català ca 30.79 555,036 19,202,034 1,381,001
Chechen Нохчийн ce 0.19 164,313 1,856,628 187,061
Cebuano Sinugboanong Binisaya ceb 0.8 5,333,327 15,766,215 8,910,964
Sorani کوردی ckb 112.54 19,771 577,133 112,281
Czech Čeština cs 41.12 389,769 15,308,600 1,041,827
Chuvash Чăваш cv 4.46 40,642 632,434 68,975
Welsh Cymraeg cy 49.48 92,448 6,947,194 203,839
Danish Dansk da 66.45 231,498 9,217,567 780,662
German Deutsch de 97.56 2,102,496 173,821,494 5,942,005
Greek Ελληνικά el 68.71 136,682 6,770,426 418,292
English English en 996.97 5,479,835 910,874,083 43,130,379
Esperanto Esperanto eo 16.8 241,850 6,275,341 529,912
Spanish Español es 199.75 1,354,835 101,750,524 6,007,656
Estonian Eesti et 28.1 161,220 4,871,842 408,774
Basque Euskara eu 18.64 283,650 6,114,326 697,225
Persian فارسی fa 213.62 575,877 26,014,237 3,787,515
Finnish Suomi fi 44.8 422,047 17,609,353 1,141,174
Faroese Føroyskt fo 36.16 12,604 344,895 37,641
French Français fr 218.13 1,910,815 143,276,918 8,973,387
West Frisian Frysk fy 29.83 39,068 926,855 113,859
Irish Gaeilge ga 5.15 43,975 882,841 72,582
Scottish Gaelic Gàidhlig gd 22.09 14,591 551,734 30,793
Galician Galego gl 27.59 141,146 4,594,274 344,001
Gujarati ગુજરાતી gu 19.2 27,390 504,326 73,072
Hebrew עברית he 262.12 212,814 22,504,407 902,986
Hindi हिन्दी hi 118.91 121,141 3,684,477 694,772
Croatian Hrvatski hr 29.49 177,762 5,117,650 470,458
Upper Sorbian Hornjoserbsce hsb 27.96 12,351 367,522 31,459
Haitian Krèyol ayisyen ht 0.54 51,518 701,617 62,896
Hungarian Magyar hu 58.73 417,182 19,813,213 1,205,935
Armenian Հայերեն hy 38.68 230,410 5,434,383 769,765
Interlingua Interlingua ia 6.33 20,547 588,387 32,744
Indonesian Bahasa Indonesia id 124.63 410,170 14,193,251 2,221,901
Ido Ido io 5.8 27,243 917,454 41,130
Ilokano Ilokano ilo 76.59 10,848 327,709 46,677
Icelandic Íslenska is 38.66 43,544 1,622,655 115,905
Italian Italiano it 127.81 1,383,839 96,700,620 4,908,649
Japanese 日本語 ja 78.96 1,076,601 66,601,311 3,160,576
Javanese Basa Jawa jv 27.1 50,293 1,308,879 134,103
Georgian ქართული ka 33.81 117,614 3,466,268 327,989
Kazakh Қазақша kk 9.07 219,602 2,668,925 508,141
Kannada ಕನ್ನಡ kn 61.45 22,158 716,687 80,299
Korean 한국어 ko 112.98 397,641 21,469,923 1,523,532
Kurdish Kurdî ku 29.74 23,038 722,645 58,907
Kirghiz Кыргызча ky 0.21 75,705 302,369 95,216
Latin Latina la 12.04 127,195 3,388,157 246,154
Luxembourgish Lëtzebuergesch lb 27.44 50,311 2,120,903 110,453
Limburgish Limburgs li 114.48 12,044 436,835 59,672
Lombard Lumbaart lmo 30.97 36,180 1,109,333 95,142
Lithuanian Lietuvių lt 22.82 182,961 5,417,415 428,863
Latvian Latviešu lv 82.51 78,932 2,811,197 321,328
Maithili मैथिली mai 7.46 11,818 131,011 26,269
Banyumasan Basa Banyumasan map-bms 8.67 13,285 210,585 27,392
Malagasy Malagasy mg 9.86 84,663 853,484 219,451
Minangkabau Bahaso Minangkabau min 0.885 221,993 1,540,469 316,712
Macedonian Македонски mk 135.72 90,658 4,408,474 414,516
Malayalam മലയാളം ml 233.84 52,197 2,624,717 339,090
Mongolian Монгол mn 47.16 17,563 536,474 56,810
Marathi मराठी mr 75.59 48,685 1,554,515 200,824
Hill Mari Кырык Мары (Kyryk Mary) mrj 1.35 10,240 93,108 15,016
Malay Bahasa Melayu ms 15.64 303,970 4,491,133 816,603
Burmese language မ္ရန္‌မာစာ my 5.26 37,305 383,381 75,175
Mazandarani مَزِروني mzn 6.87 12,544 140,839 26,920
Neapolitan Nnapulitano nap 17.77 14,466 700,566 26,274
Low Saxon Plattdüütsch nds 33.31 26,735 825,666 72,440
Nepali नेपाली ne 23.56 30,087 619,758 83,776
Newari नेवारी new 12.7 72,136 842,967 196,134
Dutch Nederlands nl 13.63 1,911,461 51,080,291 3,848,194
Norwegian (Nynorsk) Nynorsk nn 17.46 134,926 2,981,114 319,487
Norwegian (Bokmål) Norsk (Bokmål) no 36.99 475,290 17,755,616 1,238,865
Occitan Occitan oc 7.02 83,555 2,215,034 139,022
Oriya ଓଡ଼ିଆ or 56.94 13,122 292,382 56,739
Ossetian Иронау os 97.29 10,529 488,725 40,382
Punjabi ਪੰਜਾਬੀ pa 24.69 26,847 397,816 90,458
Polish Polski pl 25.49 1,241,292 50,349,073 2,689,657
Piedmontese Piemontèis pms 2.46 64,190 867,350 98,047
Western Panjabi شاہ مکھی پنجابی pnb 1.2 45,213 519,088 62,354
Portuguese Português pt 144.43 978,482 50,907,896 4,458,437
Quechua Runa Simi qu 31.96 20,272 665,154 52,454
Romanian Română ro 87.18 379,141 11,685,316 1,748,481
Russian Русский ru 145.07 1,421,809 100,103,704 5,398,766
Sanskrit संस्कृतम् sa 100.9 11,181 424,889 49,527
Sakha Саха тыла sah 51.91 11,409 357,561 38,319
Sicilian Sicilianu scn 19.89 25,643 756,832 57,043
Scots Scots sco 25.49 46,687 631,322 168,421
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 789.75 439,889 40,808,461 4,582,328
Sinhalese සිංහල si 87.56 13,706 415,348 64,083
Simple English Simple English simple 75.68 127,963 5,785,128 432,259
Slovak Slovenčina sk 18.6 222,550 6,579,471 482,415
Slovenian Slovenščina sl 24.89 158,141 5,050,794 372,366
Albanian Shqip sq 30.12 69,078 1,912,253 187,918
Serbian Српски sr 137.38 356,250 15,764,913 1,745,801
Sundanese Basa Sunda su 4.18 38,707 548,762 66,200
Swedish Svenska sv 5.46 3,788,858 40,790,324 7,615,882
Swahili Kiswahili sw 21.76 37,678 1,053,699 88,662
Tamil தமிழ் ta 26.1 113,146 2,501,337 319,821
Telugu తెలుగు te 50.11 67,495 2,178,816 218,961
Tajik Тоҷикӣ tg 6.77 68,917 886,644 140,211
Thai ไทย th 241.64 119,425 7,572,057 672,798
Tagalog Tagalog tl 23.33 82,544 1,680,503 230,043
Turkish Türkçe tr 221.44 298,523 20,094,880 1,520,462
Tatar Татарча tt 25.39 72,601 2,229,259 175,152
Ukrainian Українська uk 38.81 734,784 21,292,598 2,209,342
Urdu اردو ur 170.89 123,921 5,660,873 689,126
Uzbek O‘zbek uz 61.69 128,997 2,663,167 616,482
Venetian Vèneto vec 76.55 10,973 602,211 33,676
Vietnamese Tiếng Việt vi 119.43 1,161,311 31,275,329 7,287,514
Volapük Volapük vo 15.12 120,620 3,313,091 249,276
Walloon Walon wa 22.31 14,633 336,568 37,792
Waray-Waray Winaray war 3.57 1,262,885 6,298,257 2,874,154
Yiddish ייִדיש yi 43.34 14,109 541,872 39,040
Yoruba Yorùbá yo 5.41 31,579 563,572 54,398
Chinese 中文 zh 175.28 962,982 47,481,045 5,169,931
Min Nan Bân-lâm-gú zh-min-nan 10.85 221,800 1,821,396 662,264
Cantonese 粵語 zh-yue 20.36 58,977 1,164,805 156,518
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 997 98 218 25 79 128 14 144 200 145 5 175 37 45 31 39 221 87 15 41 59 17 19 66 125 262 194 113 23 137
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.