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 904 = 18.59 × 48.63 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 0.309 = 13.8 × 0.022.

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 28.91 49,368 1,658,362 121,097
Alemannic Alemannisch als 24.87 24,326 819,974 56,038
Amharic አማርኛ am 34.85 14,216 345,987 44,217
Aragonese Aragonés an 73.46 32,962 1,606,374 105,288
Arabic العربية ar 214.75 567,579 28,204,255 3,495,801
Egyptian Arabic مصرى arz 287.85 18,258 803,177 153,821
Asturian Asturianu ast 4.21 74,670 1,481,890 117,890
Azerbaijani Azərbaycanca az 30.9 133,720 4,267,603 344,881
South Azerbaijani تۆرکجه azb 2.3 72,269 365,719 139,509
Bashkir Башҡорт ba 23.52 42,436 801,030 123,128
Bavarian Boarisch bar 55 25,801 684,121 98,352
Samogitian Žemaitėška bat-smg 5.88 16,259 343,128 27,397
Belarusian Беларуская be 31.87 153,338 3,118,325 499,950
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 32.25 62,702 1,963,227 166,360
Bulgarian Български bg 23.53 241,088 8,456,575 535,365
Bengali বাংলা bn 416.12 57,594 2,974,776 573,407
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.34 25,079 780,340 58,159
Breton Brezhoneg br 13.22 64,359 1,784,992 126,696
Bosnian Bosanski bs 109.84 77,311 2,915,308 363,369
Buginese Basa Ugi bug 1.05 14,114 191,517 18,630
Catalan Català ca 30.2 578,079 19,790,410 1,432,871
Chechen Нохчийн ce 0.31 164,817 2,614,106 189,488
Cebuano Sinugboanong Binisaya ceb 1.09 5,382,902 22,055,697 8,964,220
Sorani کوردی ckb 96.75 21,462 568,867 117,335
Czech Čeština cs 41.87 404,004 15,987,618 1,085,078
Chuvash Чăваш cv 4.56 41,214 628,058 70,753
Welsh Cymraeg cy 30.86 100,378 5,101,878 214,804
Danish Dansk da 66.68 236,696 9,465,603 797,866
German Deutsch de 94.39 2,173,722 175,530,760 6,115,638
Greek Ελληνικά el 66.12 145,807 6,980,761 445,244
English English en 904.03 5,615,791 832,449,805 44,776,027
Esperanto Esperanto eo 16.98 246,221 6,282,691 545,062
Spanish Español es 205.74 1,404,729 106,679,902 6,301,894
Estonian Eesti et 25.89 173,418 4,964,185 434,480
Basque Euskara eu 18.26 291,732 6,181,628 716,017
Persian فارسی fa 177.33 611,291 22,959,299 4,015,763
Finnish Suomi fi 42.25 435,616 17,191,601 1,176,227
Faroese Føroyskt fo 36.22 12,699 347,294 37,971
French Français fr 221.22 1,976,125 147,207,636 9,405,417
West Frisian Frysk fy 28.97 39,975 915,263 116,850
Irish Gaeilge ga 4.93 46,504 887,189 76,917
Scottish Gaelic Gàidhlig gd 20.35 14,687 540,766 30,394
Galician Galego gl 27.7 147,192 4,708,075 362,019
Gujarati ગુજરાતી gu 24.23 27,666 566,307 78,310
Hebrew עברית he 244.87 223,259 22,814,891 927,778
Hindi हिन्दी hi 124.91 124,345 3,764,462 740,880
Croatian Hrvatski hr 25.85 188,912 5,053,389 487,082
Upper Sorbian Hornjoserbsce hsb 26.69 12,690 356,758 32,470
Haitian Krèyol ayisyen ht 0.57 52,003 706,138 63,772
Hungarian Magyar hu 57.58 429,741 19,790,954 1,248,952
Armenian Հայերեն hy 39.12 239,743 5,719,654 800,838
Interlingua Interlingua ia 6.5 20,620 593,786 33,018
Indonesian Bahasa Indonesia id 117.43 427,572 13,814,335 2,330,716
Ido Ido io 5.65 27,564 926,056 41,427
Ilokano Ilokano ilo 70.68 10,946 315,081 46,176
Icelandic Íslenska is 36.38 44,807 1,585,844 118,772
Italian Italiano it 135.09 1,431,634 96,050,015 5,363,747
Japanese 日本語 ja 80.04 1,103,454 68,043,239 3,266,389
Javanese Basa Jawa jv 26.35 54,822 1,438,635 143,779
Georgian ქართული ka 33.28 121,971 3,468,429 343,383
Kazakh Қазақша kk 9.14 221,285 2,611,022 519,787
Kannada ಕನ್ನಡ kn 75.05 23,266 839,848 88,810
Korean 한국어 ko 108.57 414,934 21,048,813 1,611,022
Kurdish Kurdî ku 27.77 23,406 700,840 59,276
Kirghiz Кыргызча ky 0.2 79,817 317,962 100,070
Latin Latina la 11.95 128,321 3,339,083 249,631
Luxembourgish Lëtzebuergesch lb 26.45 51,761 2,102,111 113,661
Limburgish Limburgs li 111.01 12,136 426,326 60,174
Lombard Lumbaart lmo 25.74 37,265 966,039 97,255
Lithuanian Lietuvių lt 22.46 187,644 5,356,597 443,511
Latvian Latviešu lv 77.81 84,170 2,834,877 342,095
Maithili मैथिली mai 10.86 12,449 169,615 29,581
Banyumasan Basa Banyumasan map-bms 9.28 13,324 203,164 28,531
Malagasy Malagasy mg 9.34 84,944 814,210 219,823
Minangkabau Bahaso Minangkabau min 0.902 222,167 1,547,311 317,763
Macedonian Македонски mk 108.46 94,020 3,697,475 426,620
Malayalam മലയാളം ml 220.47 55,924 2,772,921 351,619
Mongolian Монгол mn 53.26 17,986 541,972 62,597
Marathi मराठी mr 72.99 51,305 1,583,409 211,500
Hill Mari Кырык Мары (Kyryk Mary) mrj 1.49 10,265 93,722 15,325
Malay Bahasa Melayu ms 14.96 314,377 4,314,823 855,823
Burmese language မ္ရန္‌မာစာ my 5.86 38,308 396,940 79,918
Mazandarani مَزِروني mzn 7.46 12,629 144,477 27,743
Neapolitan Nnapulitano nap 16.51 14,519 648,653 26,426
Low Saxon Plattdüütsch nds 28.8 30,070 815,250 80,912
Nepali नेपाली ne 24.32 30,489 635,569 85,698
Newari नेवारी new 12.72 72,151 843,855 196,211
Dutch Nederlands nl 14.34 1,929,172 51,333,362 3,957,730
Norwegian (Nynorsk) Nynorsk nn 17.52 137,563 3,028,368 326,678
Norwegian (Bokmål) Norsk (Bokmål) no 38.77 486,906 18,393,483 1,289,668
Occitan Occitan oc 6.64 84,379 2,074,459 141,092
Oriya ଓଡ଼ିଆ or 57.38 13,724 311,370 58,960
Ossetian Иронау os 92.42 10,672 465,845 41,173
Punjabi ਪੰਜਾਬੀ pa 25.15 28,496 419,311 97,363
Polish Polski pl 27.89 1,275,783 53,038,196 2,833,023
Piedmontese Piemontèis pms 2.4 64,329 839,295 98,500
Western Panjabi شاہ مکھی پنجابی pnb 1.33 46,420 502,244 65,830
Portuguese Português pt 146.85 997,389 51,660,495 4,606,592
Quechua Runa Simi qu 28.86 20,473 632,177 52,027
Romanian Română ro 109.01 385,191 12,119,602 2,031,944
Russian Русский ru 131.52 1,467,718 91,859,446 5,637,539
Sanskrit संस्कृतम् sa 112.93 11,258 434,201 53,092
Sakha Саха тыла sah 50.01 11,582 339,715 39,515
Sicilian Sicilianu scn 16.46 25,951 721,728 55,026
Scots Scots sco 24.52 51,328 662,250 186,052
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 779.38 443,060 40,795,515 4,593,646
Sinhalese සිංහල si 78.83 14,698 420,520 66,650
Simple English Simple English simple 77.9 133,188 6,048,026 455,961
Slovak Slovenčina sk 18.64 225,697 6,635,919 490,687
Slovenian Slovenščina sl 24.35 160,851 4,969,817 380,436
Albanian Shqip sq 28.62 73,739 1,854,468 204,867
Serbian Српски sr 136.06 605,701 19,780,413 3,634,075
Sundanese Basa Sunda su 4.08 39,537 536,712 67,940
Swedish Svenska sv 5.84 3,784,230 42,733,357 7,655,419
Swahili Kiswahili sw 18.36 40,600 1,025,440 92,994
Tamil தமிழ் ta 26.91 115,813 2,506,298 335,706
Telugu తెలుగు te 54.47 69,091 2,335,239 228,642
Tajik Тоҷикӣ tg 4.26 93,720 994,734 174,867
Thai ไทย th 240.71 123,644 7,550,895 713,207
Tagalog Tagalog tl 22.77 82,981 1,628,682 232,649
Turkish Türkçe tr 206.76 308,112 19,606,524 1,556,342
Tatar Татарча tt 22.96 78,414 2,263,681 186,174
Ukrainian Українська uk 38.71 781,857 22,380,442 2,362,138
Urdu اردو ur 86.72 138,277 3,401,503 738,092
Uzbek O‘zbek uz 46.11 129,116 1,981,840 619,175
Venetian Vèneto vec 72.09 11,151 582,914 34,026
Vietnamese Tiếng Việt vi 317.19 1,170,727 39,446,788 13,258,977
Volapük Volapük vo 14.36 121,016 3,184,877 249,345
Walloon Walon wa 22.61 14,566 332,946 37,950
Waray-Waray Winaray war 3.51 1,262,938 6,187,826 2,875,818
Yiddish ייִדיש yi 40.93 14,347 528,887 39,401
Yoruba Yorùbá yo 4.67 31,613 512,468 53,725
Chinese 中文 zh 173.05 1,001,521 48,899,081 5,365,851
Min Nan Bân-lâm-gú zh-min-nan 12.31 226,496 1,888,760 715,559
Cantonese 粵語 zh-yue 16.85 66,325 1,186,143 169,150
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 904 94 221 28 80 135 14 147 206 132 6 173 39 42 30 39 207 109 14 42 58 17 19 67 117 245 215 109 22 136
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.