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 909 = 18.64 × 48.77 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 1073 = 155.39 × 6.91.

The Chechen Wikipedia has the smallest depth, at 0.323 = 13.95 × 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 29.16 50,761 1,685,382 125,581
Alemannic Alemannisch als 24.68 24,843 836,225 57,093
Amharic አማርኛ am 34.71 14,299 347,160 44,442
Aragonese Aragonés an 72.49 33,265 1,609,936 105,904
Arabic العربية ar 223.22 588,997 29,376,009 3,720,870
Egyptian Arabic مصرى arz 280.32 18,789 812,536 157,122
Asturian Asturianu ast 4.53 79,890 1,640,559 127,244
Azerbaijani Azərbaycanca az 30.5 136,896 4,345,045 352,176
South Azerbaijani تۆرکجه azb 3 86,961 450,539 183,392
Bashkir Башҡорт ba 23.62 43,410 819,627 126,192
Bavarian Boarisch bar 54.74 26,142 693,506 99,344
Samogitian Žemaitėška bat-smg 5.92 16,292 343,801 27,507
Belarusian Беларуская be 32.28 155,712 3,171,803 510,673
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 32.12 63,654 1,979,663 169,076
Bulgarian Български bg 23.59 243,994 8,563,109 542,194
Bengali বাংলা bn 411.33 59,519 3,048,780 590,986
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.37 25,080 780,573 58,184
Breton Brezhoneg br 13.03 65,063 1,794,986 127,692
Bosnian Bosanski bs 110.27 77,539 2,933,663 364,570
Buginese Basa Ugi bug 1.05 14,115 191,611 18,633
Catalan Català ca 30.13 585,543 20,037,097 1,450,237
Chechen Нохчийн ce 0.32 165,095 2,653,256 190,225
Cebuano Sinugboanong Binisaya ceb 1.14 5,382,624 23,134,498 8,964,548
Sorani کوردی ckb 94.44 21,985 577,325 118,969
Czech Čeština cs 42.41 409,135 16,213,207 1,104,553
Chuvash Чăваш cv 4.75 41,289 636,257 71,424
Welsh Cymraeg cy 34.99 100,790 5,760,913 216,315
Danish Dansk da 66.67 238,911 9,576,278 804,214
German Deutsch de 94.17 2,200,454 178,082,855 6,177,698
Greek Ελληνικά el 65.51 149,341 7,116,039 454,977
English English en 909.3 5,683,472 845,992,102 45,373,995
Esperanto Esperanto eo 17.03 248,295 6,321,549 550,735
Spanish Español es 203.19 1,435,240 108,888,360 6,392,065
Estonian Eesti et 25.39 177,298 5,042,046 441,749
Basque Euskara eu 11.65 299,986 6,363,664 619,517
Persian فارسی fa 176.39 635,164 23,932,394 4,146,428
Finnish Suomi fi 42.18 441,340 17,385,603 1,191,875
Faroese Føroyskt fo 35.88 12,780 348,204 38,102
French Français fr 223.85 2,002,439 149,978,656 9,570,603
West Frisian Frysk fy 29.03 40,309 921,106 118,064
Irish Gaeilge ga 4.7 47,751 894,062 78,404
Scottish Gaelic Gàidhlig gd 20.36 14,721 541,920 30,470
Galician Galego gl 27.67 149,765 4,791,780 368,100
Gujarati ગુજરાતી gu 27.01 27,913 599,509 81,350
Hebrew עברית he 247.61 227,327 23,362,849 947,845
Hindi हिन्दी hi 130.76 125,858 3,849,531 769,201
Croatian Hrvatski hr 23.88 196,805 5,097,481 497,140
Upper Sorbian Hornjoserbsce hsb 26.19 12,903 359,190 32,880
Haitian Krèyol ayisyen ht 0.58 52,572 710,115 64,644
Hungarian Magyar hu 57.77 434,065 20,098,297 1,260,150
Armenian Հայերեն hy 39.23 242,973 5,821,594 810,997
Interlingua Interlingua ia 6.52 20,646 595,500 33,064
Indonesian Bahasa Indonesia id 117.04 435,233 14,013,364 2,372,715
Ido Ido io 5.61 27,835 935,391 41,762
Ilokano Ilokano ilo 69.34 11,310 326,366 47,079
Icelandic Íslenska is 36.19 45,394 1,595,853 120,402
Italian Italiano it 155.59 1,448,436 98,212,863 5,862,750
Japanese 日本語 ja 80.63 1,113,111 69,055,109 3,297,106
Javanese Basa Jawa jv 26.82 54,908 1,448,001 144,843
Georgian ქართული ka 34.29 123,409 3,509,572 352,416
Kazakh Қазақша kk 9.23 222,046 2,629,471 522,940
Kannada ಕನ್ನಡ kn 78.57 23,537 852,193 92,137
Korean 한국어 ko 110.61 422,188 21,722,593 1,643,523
Kurdish Kurdî ku 27.68 23,543 704,225 59,566
Kirghiz Кыргызча ky 0.22 79,767 324,853 100,834
Latin Latina la 11.99 128,800 3,351,588 250,814
Luxembourgish Lëtzebuergesch lb 24.17 54,244 2,117,782 116,896
Limburgish Limburgs li 110.18 12,213 427,550 60,394
Lombard Lumbaart lmo 25.7 37,493 969,836 97,872
Lithuanian Lietuvių lt 22.81 188,629 5,398,256 448,209
Latvian Latviešu lv 80.09 86,485 2,890,802 359,395
Maithili मैथिली mai 11.6 12,507 175,577 30,158
Banyumasan Basa Banyumasan map-bms 9.59 13,327 206,152 28,737
Malagasy Malagasy mg 9.34 85,018 815,253 219,987
Minangkabau Bahaso Minangkabau min 0.913 222,212 1,563,760 317,937
Macedonian Македонски mk 109.44 95,268 3,747,041 434,737
Malayalam മലയാളം ml 219 57,386 2,835,517 359,971
Mongolian Монгол mn 54.27 18,187 549,760 63,848
Marathi मराठी mr 72.27 51,591 1,604,592 210,411
Hill Mari Кырык Мары (Kyryk Mary) mrj 1.58 10,267 93,947 15,502
Malay Bahasa Melayu ms 15 317,616 4,370,011 864,745
Burmese language မ္ရန္‌မာစာ my 6.52 39,089 412,002 84,216
Mazandarani مَزِروني mzn 7.51 12,711 145,569 27,977
Neapolitan Nnapulitano nap 16.5 14,547 649,519 26,479
Low Saxon Plattdüütsch nds 28.41 30,657 819,996 82,487
Nepali नेपाली ne 25.07 30,556 651,229 86,231
Newari नेवारी new 12.72 72,151 843,993 196,225
Dutch Nederlands nl 14.52 1,936,590 51,799,948 3,982,515
Norwegian (Nynorsk) Nynorsk nn 17.59 138,791 3,052,557 330,277
Norwegian (Bokmål) Norsk (Bokmål) no 39.56 491,274 18,649,242 1,310,288
Occitan Occitan oc 6.65 84,740 2,082,895 141,745
Oriya ଓଡ଼ିଆ or 57.97 14,025 323,445 60,026
Ossetian Иронау os 90.01 10,939 467,953 42,048
Punjabi ਪੰਜਾਬੀ pa 24.65 29,858 437,755 101,101
Polish Polski pl 28.28 1,290,638 53,743,947 2,879,387
Piedmontese Piemontèis pms 2.41 64,369 840,134 98,589
Western Panjabi شاہ مکھی پنجابی pnb 1.34 46,526 503,595 66,030
Portuguese Português pt 150.71 1,001,782 52,498,283 4,669,592
Quechua Runa Simi qu 28.17 20,720 632,996 52,340
Romanian Română ro 109.74 387,507 12,233,812 2,048,703
Russian Русский ru 134 1,484,292 93,715,426 5,734,667
Sanskrit संस्कृतम् sa 115.36 11,313 436,221 54,105
Sakha Саха тыла sah 50.55 11,620 340,808 39,883
Sicilian Sicilianu scn 16.41 26,044 723,827 55,168
Scots Scots sco 25 52,371 679,050 191,387
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 772.82 445,130 40,814,291 4,598,998
Sinhalese සිංහල si 79.52 14,771 424,063 67,209
Simple English Simple English simple 79.28 135,814 6,175,199 469,112
Slovak Slovenčina sk 18.8 226,487 6,671,393 493,610
Slovenian Slovenščina sl 24.55 161,770 5,010,107 383,563
Albanian Shqip sq 29.38 74,458 1,875,413 209,286
Serbian Српски sr 140.93 608,728 20,616,637 3,648,847
Sundanese Basa Sunda su 4.15 39,603 544,358 68,167
Swedish Svenska sv 5.98 3,781,518 43,187,756 7,681,670
Swahili Kiswahili sw 16.1 43,513 1,034,515 96,965
Tamil தமிழ் ta 27.54 117,253 2,548,900 342,951
Telugu తెలుగు te 58.13 69,393 2,414,729 234,143
Tajik Тоҷикӣ tg 4.33 94,460 1,007,882 176,766
Thai ไทย th 246.62 125,294 7,713,853 731,016
Tagalog Tagalog tl 24.1 81,808 1,642,376 233,130
Turkish Türkçe tr 204.61 312,013 19,769,509 1,569,568
Tatar Татарча tt 22.42 80,148 2,279,426 189,605
Ukrainian Українська uk 38.44 801,192 22,883,230 2,414,836
Urdu اردو ur 90.15 139,684 3,507,623 754,971
Uzbek O‘zbek uz 46.19 129,287 1,987,729 620,057
Venetian Vèneto vec 72.35 11,205 588,760 34,163
Vietnamese Tiếng Việt vi 329.43 1,182,383 41,107,612 13,464,385
Volapük Volapük vo 14.37 121,013 3,185,356 249,354
Walloon Walon wa 22.5 14,656 334,132 38,144
Waray-Waray Winaray war 3.51 1,263,185 6,190,198 2,876,187
Yiddish ייִדיש yi 40.79 14,441 531,291 39,629
Yoruba Yorùbá yo 4.81 31,678 514,128 54,248
Chinese 中文 zh 176.31 1,014,480 50,146,556 5,458,907
Min Nan Bân-lâm-gú zh-min-nan 12.4 226,987 1,895,955 719,286
Cantonese 粵語 zh-yue 16.71 67,607 1,206,487 171,913
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 909 94 224 28 81 156 15 151 203 134 6 176 40 42 30 38 205 110 14 42 58 17 19 67 117 248 223 111 23 141
1 Jan 2018 1011 97 222 27 80 132 14 148 204 149 6 175 38 45 31 39 221 103 15 42 59 17 19 66 125 254 219 115 23 133
1 July 2017 980 98 217 25 78 125 13 142 196 144 5 169 36 45 31 40 222 86 15 41 58 17 19 68 123 261 188 115 23 90
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.