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 906 = 18.63 × 48.66 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 = 155.42 × 6.92.

The Chechen Wikipedia has the smallest depth, at 0.322 = 13.94 × 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 29.37 50,111 1,676,675 123,950
Alemannic Alemannisch als 24.68 24,747 834,604 56,829
Amharic አማርኛ am 34.67 14,279 346,817 44,341
Aragonese Aragonés an 72.6 33,200 1,609,030 105,705
Arabic العربية ar 224.44 581,343 29,038,132 3,683,109
Egyptian Arabic مصرى arz 285.52 18,564 809,636 156,455
Asturian Asturianu ast 4.69 76,303 1,565,373 122,564
Azerbaijani Azərbaycanca az 30.9 135,687 4,325,021 350,296
South Azerbaijani تۆرکجه azb 3 86,911 448,080 183,030
Bashkir Башҡорт ba 23.57 43,201 815,914 125,442
Bavarian Boarisch bar 54.94 26,061 692,544 99,149
Samogitian Žemaitėška bat-smg 5.93 16,281 343,690 27,495
Belarusian Беларуская be 32.24 154,937 3,155,181 507,919
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 32.24 63,393 1,975,872 168,520
Bulgarian Български bg 23.6 243,207 8,536,366 540,468
Bengali বাংলা bn 411.83 59,086 3,030,654 586,632
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.36 25,080 780,506 58,177
Breton Brezhoneg br 13.07 64,921 1,793,429 127,507
Bosnian Bosanski bs 110.2 77,447 2,928,732 364,105
Buginese Basa Ugi bug 1.05 14,117 191,595 18,635
Catalan Català ca 30.15 583,472 19,966,093 1,445,609
Chechen Нохчийн ce 0.32 164,875 2,647,873 189,938
Cebuano Sinugboanong Binisaya ceb 1.14 5,382,740 23,133,237 8,964,490
Sorani کوردی ckb 95.52 21,784 574,855 118,415
Czech Čeština cs 42.32 407,793 16,153,043 1,100,118
Chuvash Чăваш cv 4.63 41,298 632,184 71,091
Welsh Cymraeg cy 33.98 100,703 5,594,151 216,079
Danish Dansk da 66.67 238,424 9,551,845 802,805
German Deutsch de 94.28 2,193,270 177,440,170 6,161,768
Greek Ελληνικά el 65.86 148,064 7,077,503 451,597
English English en 906.36 5,671,425 842,564,595 45,232,188
Esperanto Esperanto eo 17.06 247,785 6,312,851 549,861
Spanish Español es 205.32 1,423,666 108,438,304 6,366,626
Estonian Eesti et 25.39 176,819 5,025,687 440,666
Basque Euskara eu 9.18 293,746 6,284,222 559,330
Persian فارسی fa 176.01 630,934 23,713,244 4,119,988
Finnish Suomi fi 42.21 440,029 17,337,282 1,188,581
Faroese Føroyskt fo 35.9 12,774 347,983 38,097
French Français fr 223.5 1,995,176 149,321,087 9,530,875
West Frisian Frysk fy 29 40,203 919,106 117,665
Irish Gaeilge ga 4.72 47,546 892,224 78,106
Scottish Gaelic Gàidhlig gd 20.33 14,718 541,622 30,454
Galician Galego gl 27.61 149,093 4,758,491 366,499
Gujarati ગુજરાતી gu 26.13 27,836 589,407 80,387
Hebrew עברית he 246.93 226,265 23,237,083 942,236
Hindi हिन्दी hi 129.02 125,466 3,826,644 761,015
Croatian Hrvatski hr 24.35 194,838 5,086,219 494,698
Upper Sorbian Hornjoserbsce hsb 26.3 12,857 358,752 32,793
Haitian Krèyol ayisyen ht 0.58 52,393 708,731 64,368
Hungarian Magyar hu 57.67 432,990 19,997,517 1,257,568
Armenian Հայերեն hy 39.16 241,869 5,786,129 807,203
Interlingua Interlingua ia 6.51 20,642 595,094 33,056
Indonesian Bahasa Indonesia id 117.5 432,862 13,962,714 2,363,156
Ido Ido io 5.64 27,737 934,562 41,637
Ilokano Ilokano ilo 71.07 11,120 324,837 46,644
Icelandic Íslenska is 36.3 45,216 1,593,030 119,973
Italian Italiano it 154.96 1,445,122 97,795,803 5,841,814
Japanese 日本語 ja 80.43 1,110,826 68,788,080 3,289,214
Javanese Basa Jawa jv 26.62 54,894 1,441,990 144,572
Georgian ქართული ka 34.17 123,046 3,498,775 350,789
Kazakh Қазақша kk 9.21 221,900 2,625,792 522,306
Kannada ಕನ್ನಡ kn 77.26 23,450 847,975 90,959
Korean 한국어 ko 110.35 419,830 21,553,549 1,634,192
Kurdish Kurdî ku 27.65 23,533 703,586 59,525
Kirghiz Кыргызча ky 0.21 79,772 321,838 100,355
Latin Latina la 11.98 128,702 3,348,559 250,557
Luxembourgish Lëtzebuergesch lb 24.16 54,108 2,113,708 116,570
Limburgish Limburgs li 110.47 12,190 427,221 60,340
Lombard Lumbaart lmo 25.71 37,436 968,808 97,724
Lithuanian Lietuvių lt 22.73 188,368 5,390,071 447,023
Latvian Latviešu lv 81.48 85,407 2,876,116 357,029
Maithili मैथिली mai 11.38 12,496 173,707 30,015
Banyumasan Basa Banyumasan map-bms 9.51 13,325 205,957 28,648
Malagasy Malagasy mg 9.34 84,995 814,920 219,924
Minangkabau Bahaso Minangkabau min 0.912 222,207 1,562,667 317,909
Macedonian Македонски mk 109.48 95,040 3,740,976 433,588
Malayalam മലയാളം ml 218.95 57,137 2,827,344 357,963
Mongolian Монгол mn 54.17 18,137 547,153 63,672
Marathi मराठी mr 72.16 51,470 1,598,839 209,884
Hill Mari Кырык Мары (Kyryk Mary) mrj 1.55 10,267 93,889 15,458
Malay Bahasa Melayu ms 15 316,778 4,354,717 862,943
Burmese language မ္ရန္‌မာစာ my 6.31 38,907 407,976 83,003
Mazandarani مَزِروني mzn 7.51 12,679 145,306 27,902
Neapolitan Nnapulitano nap 16.51 14,539 649,389 26,464
Low Saxon Plattdüütsch nds 28.42 30,565 819,299 82,169
Nepali नेपाली ne 24.75 30,567 645,691 86,092
Newari नेवारी new 12.72 72,151 843,949 196,224
Dutch Nederlands nl 14.48 1,934,480 51,686,721 3,976,286
Norwegian (Nynorsk) Nynorsk nn 17.58 138,570 3,046,032 329,744
Norwegian (Bokmål) Norsk (Bokmål) no 39.39 490,067 18,596,695 1,304,816
Occitan Occitan oc 6.65 84,677 2,081,876 141,636
Oriya ଓଡ଼ିଆ or 57.73 13,965 320,917 59,747
Ossetian Иронау os 90.92 10,846 467,262 41,764
Punjabi ਪੰਜਾਬੀ pa 24.51 29,753 435,492 100,515
Polish Polski pl 28.25 1,286,535 53,565,693 2,868,939
Piedmontese Piemontèis pms 2.41 64,363 839,934 98,572
Western Panjabi شاہ مکھی پنجابی pnb 1.34 46,506 503,285 66,000
Portuguese Português pt 150.12 999,758 52,256,258 4,656,203
Quechua Runa Simi qu 28.37 20,650 632,784 52,258
Romanian Română ro 109.46 387,176 12,207,717 2,045,196
Russian Русский ru 133.45 1,479,983 93,232,422 5,711,747
Sanskrit संस्कृतम् sa 114.14 11,310 435,573 53,762
Sakha Саха тыла sah 50.49 11,611 340,606 39,820
Sicilian Sicilianu scn 16.39 26,035 722,811 55,146
Scots Scots sco 24.99 52,188 676,723 190,653
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 773.79 444,788 40,808,719 4,597,808
Sinhalese සිංහල si 78.83 14,792 423,009 67,099
Simple English Simple English simple 79.52 134,887 6,146,539 466,144
Slovak Slovenčina sk 18.77 226,217 6,662,302 492,716
Slovenian Slovenščina sl 24.54 161,533 5,002,704 382,940
Albanian Shqip sq 29.12 74,297 1,868,585 208,102
Serbian Српски sr 140.79 607,974 20,561,922 3,645,554
Sundanese Basa Sunda su 4.14 39,603 543,896 68,138
Swedish Svenska sv 5.95 3,782,084 43,078,832 7,674,397
Swahili Kiswahili sw 16.69 42,738 1,032,382 95,982
Tamil தமிழ் ta 27.31 117,088 2,540,454 341,377
Telugu తెలుగు te 57.39 69,261 2,394,939 232,882
Tajik Тоҷикӣ tg 4.31 94,170 1,001,858 176,128
Thai ไทย th 244.6 124,967 7,672,090 726,327
Tagalog Tagalog tl 24.13 81,612 1,637,309 232,767
Turkish Türkçe tr 205.87 310,489 19,726,448 1,565,464
Tatar Татарча tt 22.57 79,710 2,276,847 188,751
Ukrainian Українська uk 38.36 797,803 22,760,476 2,403,441
Urdu اردو ur 89.48 139,303 3,486,050 750,870
Uzbek O‘zbek uz 46.11 129,264 1,985,289 619,624
Venetian Vèneto vec 72.02 11,192 585,273 34,128
Vietnamese Tiếng Việt vi 327.34 1,176,622 40,703,640 13,383,498
Volapük Volapük vo 14.35 121,064 3,185,213 249,404
Walloon Walon wa 22.5 14,634 333,742 38,084
Waray-Waray Winaray war 3.51 1,263,099 6,189,217 2,876,061
Yiddish ייִדיש yi 40.83 14,406 530,572 39,533
Yoruba Yorùbá yo 4.81 31,663 513,960 54,228
Chinese 中文 zh 175.01 1,011,772 49,797,464 5,432,879
Min Nan Bân-lâm-gú zh-min-nan 12.3 226,838 1,891,879 716,239
Cantonese 粵語 zh-yue 16.73 67,261 1,201,041 171,077
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 906 94 223 28 80 155 14 150 205 133 6 175 39 42 30 38 206 109 14 42 58 17 19 67 117 247 224 110 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.