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 903 = 18.61 × 48.5 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 1075 = 155.43 × 6.91.

The Chechen Wikipedia has the smallest depth, at 0.318 = 13.88 × 0.023.

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. It can be 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 29.23 49,638 1,667,370 122,328
Alemannic Alemannisch als 24.98 24,486 830,738 56,359
Amharic አማርኛ am 34.79 14,245 346,509 44,278
Aragonese Aragonés an 73.09 33,074 1,607,853 105,507
Arabic العربية ar 217.68 576,376 28,711,835 3,578,531
Egyptian Arabic مصرى arz 286.69 18,437 806,548 155,513
Asturian Asturianu ast 4.62 74,861 1,537,274 119,784
Azerbaijani Azərbaycanca az 30.9 134,783 4,299,917 347,905
South Azerbaijani تۆرکجه azb 3 76,237 403,401 159,474
Bashkir Башҡорт ba 23.54 42,898 810,163 124,486
Bavarian Boarisch bar 54.73 26,000 689,995 98,775
Samogitian Žemaitėška bat-smg 5.87 16,275 343,237 27,421
Belarusian Беларуская be 32.26 154,322 3,142,949 506,043
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 32.28 63,165 1,971,531 167,899
Bulgarian Български bg 23.59 242,234 8,498,644 538,352
Bengali বাংলা bn 414.26 58,488 3,010,068 581,893
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.36 25,080 780,479 58,173
Breton Brezhoneg br 13.11 64,713 1,790,682 127,153
Bosnian Bosanski bs 110.08 77,396 2,923,648 363,862
Buginese Basa Ugi bug 1.05 14,116 191,533 18,630
Catalan Català ca 30.16 581,171 19,891,188 1,439,897
Chechen Нохчийн ce 0.32 164,837 2,633,545 189,787
Cebuano Sinugboanong Binisaya ceb 1.12 5,382,873 22,692,556 8,964,401
Sorani کوردی ckb 96.05 21,646 572,640 117,905
Czech Čeština cs 42.03 406,023 16,078,768 1,091,977
Chuvash Чăваш cv 4.6 41,256 628,967 70,965
Welsh Cymraeg cy 32.71 100,616 5,386,518 215,793
Danish Dansk da 66.63 237,843 9,521,061 800,941
German Deutsch de 94.37 2,184,976 176,657,225 6,143,269
Greek Ελληνικά el 65.93 147,115 7,035,997 448,814
English English en 902.71 5,656,303 838,489,883 45,046,396
Esperanto Esperanto eo 17.09 247,215 6,302,720 548,739
Spanish Español es 206.38 1,412,868 107,749,809 6,333,996
Estonian Eesti et 25.43 175,930 5,002,216 438,615
Basque Euskara eu 15.78 292,981 6,271,600 674,689
Persian فارسی fa 175.71 624,530 23,410,553 4,081,026
Finnish Suomi fi 42.26 437,919 17,274,653 1,182,845
Faroese Føroyskt fo 35.94 12,758 347,656 38,068
French Français fr 222.74 1,986,766 148,460,859 9,479,243
West Frisian Frysk fy 28.98 40,091 917,350 117,251
Irish Gaeilge ga 4.91 46,718 889,646 77,210
Scottish Gaelic Gàidhlig gd 20.34 14,699 541,238 30,416
Galician Galego gl 27.67 148,276 4,737,496 364,651
Gujarati ગુજરાતી gu 24.93 27,796 573,344 79,464
Hebrew עברית he 246.21 225,186 23,098,138 936,771
Hindi हिन्दी hi 127.25 125,057 3,801,490 752,856
Croatian Hrvatski hr 25.03 192,159 5,072,704 491,397
Upper Sorbian Hornjoserbsce hsb 26.35 12,823 357,981 32,722
Haitian Krèyol ayisyen ht 0.56 52,220 707,189 64,029
Hungarian Magyar hu 57.67 431,581 19,906,698 1,254,280
Armenian Հայերեն hy 39.18 240,756 5,755,754 804,023
Interlingua Interlingua ia 6.5 20,630 594,538 33,026
Indonesian Bahasa Indonesia id 117.58 430,875 13,906,482 2,352,598
Ido Ido io 5.69 27,618 933,357 41,508
Ilokano Ilokano ilo 70.94 10,989 317,746 46,331
Icelandic Íslenska is 36.42 45,041 1,590,446 119,571
Italian Italiano it 153.89 1,439,566 97,228,148 5,801,984
Japanese 日本語 ja 80.32 1,107,826 68,495,917 3,280,608
Javanese Basa Jawa jv 26.48 54,903 1,440,281 144,347
Georgian ქართული ka 33.85 122,762 3,489,080 348,485
Kazakh Қазақша kk 9.19 221,636 2,619,472 521,347
Kannada ಕನ್ನಡ kn 76.06 23,365 844,687 89,807
Korean 한국어 ko 109.85 417,706 21,376,001 1,624,608
Kurdish Kurdî ku 27.71 23,458 701,951 59,368
Kirghiz Кыргызча ky 0.21 79,780 320,230 100,257
Latin Latina la 11.97 128,551 3,344,715 250,172
Luxembourgish Lëtzebuergesch lb 24.72 53,430 2,108,360 115,654
Limburgish Limburgs li 110.97 12,153 426,820 60,253
Lombard Lumbaart lmo 25.7 37,374 967,606 97,526
Lithuanian Lietuvių lt 22.63 188,020 5,376,165 445,479
Latvian Latviešu lv 81.92 84,840 2,864,335 355,289
Maithili मैथिली mai 11.1 12,478 171,512 29,810
Banyumasan Basa Banyumasan map-bms 9.5 13,322 205,896 28,640
Malagasy Malagasy mg 9.33 84,987 814,537 219,876
Minangkabau Bahaso Minangkabau min 0.902 222,192 1,547,641 317,849
Macedonian Македонски mk 109.73 94,591 3,730,192 431,657
Malayalam മലയാളം ml 220.21 56,588 2,808,354 355,249
Mongolian Монгол mn 53.13 18,071 543,913 62,842
Marathi मराठी mr 73.62 51,426 1,593,005 212,634
Hill Mari Кырык Мары (Kyryk Mary) mrj 1.52 10,267 93,822 15,400
Malay Bahasa Melayu ms 15.01 315,645 4,338,302 860,284
Burmese language မ္ရန္‌မာစာ my 6.04 38,565 401,263 81,218
Mazandarani مَزِروني mzn 7.48 12,661 144,891 27,839
Neapolitan Nnapulitano nap 16.48 14,537 649,109 26,450
Low Saxon Plattdüütsch nds 28.55 30,397 818,034 81,741
Nepali नेपाली ne 24.53 30,535 640,986 85,889
Newari नेवारी new 12.72 72,154 843,915 196,218
Dutch Nederlands nl 14.42 1,932,198 51,532,965 3,967,981
Norwegian (Nynorsk) Nynorsk nn 17.55 138,121 3,037,262 328,354
Norwegian (Bokmål) Norsk (Bokmål) no 39.11 488,665 18,496,852 1,298,310
Occitan Occitan oc 6.65 84,601 2,079,653 141,503
Oriya ଓଡ଼ିଆ or 57.29 13,852 314,919 59,382
Ossetian Иронау os 91.38 10,779 466,615 41,513
Punjabi ਪੰਜਾਬੀ pa 24.83 29,286 429,949 99,473
Polish Polski pl 28.1 1,282,374 53,347,638 2,854,766
Piedmontese Piemontèis pms 2.41 64,348 839,574 98,535
Western Panjabi شاہ مکھی پنجابی pnb 1.34 46,480 503,032 65,939
Portuguese Português pt 149.36 997,770 52,003,228 4,640,425
Quechua Runa Simi qu 28.69 20,536 632,434 52,114
Romanian Română ro 109.35 386,309 12,174,038 2,039,900
Russian Русский ru 132.39 1,474,693 92,607,477 5,675,244
Sanskrit संस्कृतम् sa 113.24 11,295 435,011 53,411
Sakha Саха тыла sah 50.3 11,601 340,272 39,708
Sicilian Sicilianu scn 16.42 25,995 722,049 55,097
Scots Scots sco 24.86 51,916 672,033 189,309
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 775.99 444,113 40,803,176 4,596,319
Sinhalese සිංහල si 78.6 14,763 421,693 66,891
Simple English Simple English simple 78.65 134,271 6,110,436 461,539
Slovak Slovenčina sk 18.71 225,948 6,650,901 491,693
Slovenian Slovenščina sl 24.46 161,293 4,985,957 382,139
Albanian Shqip sq 28.94 74,082 1,862,311 206,939
Serbian Српски sr 140.67 607,150 20,501,116 3,642,409
Sundanese Basa Sunda su 4.13 39,583 543,517 68,063
Swedish Svenska sv 5.87 3,783,666 42,859,312 7,660,245
Swahili Kiswahili sw 16.74 42,414 1,029,606 95,177
Tamil தமிழ் ta 27.33 116,268 2,526,570 338,843
Telugu తెలుగు te 56.8 68,994 2,369,618 231,521
Tajik Тоҷикӣ tg 4.27 93,872 996,655 175,254
Thai ไทย th 243.05 124,385 7,622,435 720,630
Tagalog Tagalog tl 24.17 81,396 1,633,387 232,295
Turkish Türkçe tr 206.03 309,520 19,667,053 1,561,275
Tatar Татарча tt 22.64 79,300 2,270,650 187,822
Ukrainian Українська uk 38.64 790,400 22,603,512 2,387,107
Urdu اردو ur 88.51 138,991 3,454,834 747,062
Uzbek O‘zbek uz 46.13 129,197 1,984,307 619,518
Venetian Vèneto vec 71.97 11,181 583,757 34,110
Vietnamese Tiếng Việt vi 323.33 1,173,748 40,331,150 13,288,671
Volapük Volapük vo 14.36 121,049 3,185,088 249,385
Walloon Walon wa 22.56 14,598 333,348 38,012
Waray-Waray Winaray war 3.51 1,263,015 6,188,574 2,875,956
Yiddish ייִדיש yi 40.89 14,386 530,088 39,495
Yoruba Yorùbá yo 4.79 31,645 513,552 54,116
Chinese 中文 zh 174 1,008,089 49,431,614 5,405,313
Min Nan Bân-lâm-gú zh-min-nan 12.3 226,708 1,890,457 715,980
Cantonese 粵語 zh-yue 16.84 66,748 1,194,480 170,136
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 903 94 223 28 80 154 14 149 206 132 6 174 39 42 30 39 206 109 14 42 58 17 19 67 118 246 218 110 23 141
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.