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 × 48.62 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 1074 = 155.44 × 6.91.

The Chechen Wikipedia has the smallest depth, at 0.31 = 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 28.99 49,435 1,661,034 121,383
Alemannic Alemannisch als 24.73 24,405 820,652 56,154
Amharic አማርኛ am 34.81 14,226 346,073 44,235
Aragonese Aragonés an 73.42 32,973 1,606,543 105,311
Arabic العربية ar 214.71 568,541 28,251,834 3,501,309
Egyptian Arabic مصرى arz 287.73 18,280 803,892 153,993
Asturian Asturianu ast 4.28 74,695 1,490,553 118,215
Azerbaijani Azərbaycanca az 30.8 133,889 4,271,870 345,314
South Azerbaijani تۆرکجه azb 2.6 72,296 372,490 144,270
Bashkir Башҡорт ba 23.48 42,515 802,089 123,292
Bavarian Boarisch bar 54.96 25,825 684,414 98,426
Samogitian Žemaitėška bat-smg 5.88 16,260 343,143 27,399
Belarusian Беларуская be 31.91 153,389 3,120,516 500,318
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 32.29 62,780 1,964,650 166,696
Bulgarian Български bg 23.54 241,229 8,462,710 535,727
Bengali বাংলা bn 415.59 57,760 2,981,731 574,718
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.35 25,079 780,400 58,162
Breton Brezhoneg br 13.2 64,418 1,785,606 126,767
Bosnian Bosanski bs 109.99 77,305 2,917,430 363,465
Buginese Basa Ugi bug 1.05 14,114 191,519 18,630
Catalan Català ca 30.2 578,455 19,803,018 1,433,776
Chechen Нохчийн ce 0.31 164,828 2,615,963 189,549
Cebuano Sinugboanong Binisaya ceb 1.09 5,382,899 22,131,792 8,964,241
Sorani کوردی ckb 96.48 21,501 569,507 117,384
Czech Čeština cs 41.91 404,253 16,001,040 1,086,122
Chuvash Чăваш cv 4.57 41,220 628,201 70,784
Welsh Cymraeg cy 31.14 100,427 5,144,084 214,998
Danish Dansk da 66.76 236,787 9,477,595 798,267
German Deutsch de 94.39 2,175,170 175,700,105 6,118,809
Greek Ελληνικά el 66.04 146,010 6,987,209 445,691
English English en 903.96 5,621,653 833,326,104 44,819,717
Esperanto Esperanto eo 16.99 246,336 6,284,787 545,446
Spanish Español es 205.71 1,406,084 106,802,181 6,306,726
Estonian Eesti et 25.74 174,053 4,969,659 435,414
Basque Euskara eu 18.27 291,887 6,185,525 716,492
Persian فارسی fa 177.39 612,544 23,013,820 4,023,998
Finnish Suomi fi 42.23 436,008 17,204,059 1,177,138
Faroese Føroyskt fo 36.21 12,701 347,307 37,973
French Français fr 221.3 1,977,795 147,360,504 9,414,615
West Frisian Frysk fy 28.97 39,989 915,510 116,896
Irish Gaeilge ga 4.93 46,518 887,415 76,939
Scottish Gaelic Gàidhlig gd 20.35 14,688 540,867 30,395
Galician Galego gl 27.7 147,318 4,711,932 362,328
Gujarati ગુજરાતી gu 24.31 27,691 566,941 78,490
Hebrew עברית he 244.87 223,543 22,842,970 928,963
Hindi हिन्दी hi 125.27 124,471 3,770,242 742,849
Croatian Hrvatski hr 25.82 189,097 5,055,996 487,474
Upper Sorbian Hornjoserbsce hsb 26.6 12,718 356,895 32,515
Haitian Krèyol ayisyen ht 0.57 52,013 706,182 63,784
Hungarian Magyar hu 57.61 429,993 19,807,861 1,249,762
Armenian Հայերեն hy 39.13 239,886 5,725,030 801,221
Interlingua Interlingua ia 6.5 20,621 593,901 33,020
Indonesian Bahasa Indonesia id 117.38 428,087 13,827,101 2,333,291
Ido Ido io 5.66 27,569 926,298 41,438
Ilokano Ilokano ilo 70.64 10,952 315,190 46,189
Icelandic Íslenska is 36.37 44,844 1,586,797 118,857
Italian Italiano it 135.23 1,432,762 96,143,752 5,370,662
Japanese 日本語 ja 80.06 1,104,153 68,107,764 3,268,413
Javanese Basa Jawa jv 26.33 54,856 1,438,989 143,861
Georgian ქართული ka 33.39 122,021 3,471,120 343,995
Kazakh Қазақша kk 9.14 221,328 2,611,865 519,943
Kannada ಕನ್ನಡ kn 75.16 23,288 840,487 88,981
Korean 한국어 ko 108.72 415,483 21,081,822 1,614,249
Kurdish Kurdî ku 27.78 23,406 700,892 59,281
Kirghiz Кыргызча ky 0.21 79,808 318,330 100,095
Latin Latina la 11.95 128,362 3,339,893 249,717
Luxembourgish Lëtzebuergesch lb 26.4 51,839 2,102,926 113,792
Limburgish Limburgs li 110.98 12,139 426,422 60,181
Lombard Lumbaart lmo 25.74 37,280 966,313 97,292
Lithuanian Lietuvių lt 22.48 187,700 5,359,248 443,762
Latvian Latviešu lv 77.85 84,265 2,839,253 342,480
Maithili मैथिली mai 10.91 12,455 170,183 29,612
Banyumasan Basa Banyumasan map-bms 9.3 13,330 203,220 28,574
Malagasy Malagasy mg 9.34 84,947 814,248 219,826
Minangkabau Bahaso Minangkabau min 0.902 222,168 1,547,339 317,764
Macedonian Македонски mk 108.8 94,101 3,702,122 427,736
Malayalam മലയാളം ml 220.33 56,010 2,780,619 351,673
Mongolian Монгол mn 53.25 18,007 542,411 62,674
Marathi मराठी mr 73.08 51,329 1,584,694 211,713
Hill Mari Кырык Мары (Kyryk Mary) mrj 1.49 10,265 93,739 15,334
Malay Bahasa Melayu ms 14.95 314,587 4,318,064 856,217
Burmese language မ္ရန္‌မာစာ my 5.87 38,351 397,512 80,051
Mazandarani مَزِروني mzn 7.46 12,635 144,540 27,755
Neapolitan Nnapulitano nap 16.5 14,524 648,706 26,431
Low Saxon Plattdüütsch nds 28.73 30,150 816,010 81,091
Nepali नेपाली ne 24.41 30,499 638,081 85,731
Newari नेवारी new 12.72 72,151 843,860 196,211
Dutch Nederlands nl 14.35 1,929,591 51,359,755 3,959,116
Norwegian (Nynorsk) Nynorsk nn 17.53 137,642 3,030,151 326,925
Norwegian (Bokmål) Norsk (Bokmål) no 38.82 487,183 18,407,836 1,291,120
Occitan Occitan oc 6.64 84,424 2,075,219 141,157
Oriya ଓଡ଼ିଆ or 57.32 13,754 311,985 59,061
Ossetian Иронау os 91.88 10,714 466,147 41,273
Punjabi ਪੰਜਾਬੀ pa 25.1 28,583 420,392 97,572
Polish Polski pl 27.93 1,276,623 53,084,837 2,836,180
Piedmontese Piemontèis pms 2.4 64,333 839,341 98,506
Western Panjabi شاہ مکھی پنجابی pnb 1.34 46,421 502,335 65,842
Portuguese Português pt 147.12 997,424 51,704,713 4,609,798
Quechua Runa Simi qu 28.83 20,485 632,211 52,045
Romanian Română ro 109.13 385,309 12,129,291 2,033,304
Russian Русский ru 131.61 1,468,953 91,988,686 5,642,633
Sanskrit संस्कृतम् sa 113.11 11,261 434,431 53,152
Sakha Саха тыла sah 50.03 11,584 339,784 39,533
Sicilian Sicilianu scn 16.45 25,963 721,790 55,044
Scots Scots sco 24.57 51,504 664,128 186,976
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 779.13 443,151 40,796,798 4,594,028
Sinhalese සිංහල si 78.81 14,703 420,659 66,666
Simple English Simple English simple 78.04 133,268 6,054,841 456,553
Slovak Slovenčina sk 18.65 225,729 6,638,690 490,815
Slovenian Slovenščina sl 24.34 160,922 4,971,503 380,615
Albanian Shqip sq 28.67 73,775 1,855,329 205,124
Serbian Српски sr 137.54 605,887 20,000,638 3,635,203
Sundanese Basa Sunda su 4.08 39,543 536,793 67,955
Swedish Svenska sv 5.85 3,784,318 42,751,636 7,656,296
Swahili Kiswahili sw 18.27 40,707 1,025,899 93,136
Tamil தமிழ் ta 26.98 115,864 2,508,621 336,153
Telugu తెలుగు te 55.06 68,926 2,338,805 228,949
Tajik Тоҷикӣ tg 4.26 93,726 994,848 174,878
Thai ไทย th 241.46 123,666 7,561,068 714,306
Tagalog Tagalog tl 23.59 81,978 1,630,285 232,247
Turkish Türkçe tr 206.71 308,276 19,613,007 1,557,148
Tatar Татарча tt 22.83 78,687 2,265,361 186,582
Ukrainian Українська uk 38.73 782,750 22,412,569 2,365,261
Urdu اردو ur 87 138,319 3,410,474 738,812
Uzbek O‘zbek uz 46.11 129,130 1,982,199 619,220
Venetian Vèneto vec 72.06 11,154 583,011 34,029
Vietnamese Tiếng Việt vi 317.45 1,171,287 39,514,821 13,260,718
Volapük Volapük vo 14.36 121,017 3,184,940 249,346
Walloon Walon wa 22.61 14,570 333,000 37,959
Waray-Waray Winaray war 3.51 1,262,945 6,187,939 2,875,830
Yiddish ייִדיש yi 40.93 14,350 528,978 39,408
Yoruba Yorùbá yo 4.67 31,618 512,510 53,742
Chinese 中文 zh 173.13 1,002,701 48,977,327 5,372,238
Min Nan Bân-lâm-gú zh-min-nan 12.31 226,502 1,888,948 715,574
Cantonese 粵語 zh-yue 16.88 66,360 1,187,328 169,304
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 22 138
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.