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 × 48.61 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 0.311 = 13.8 × 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 29.02 49,447 1,661,432 121,472
Alemannic Alemannisch als 24.73 24,408 820,936 56,157
Amharic አማርኛ am 34.82 14,226 346,086 44,236
Aragonese Aragonés an 73.43 32,973 1,606,562 105,312
Arabic العربية ar 214.74 568,692 28,258,952 3,502,671
Egyptian Arabic مصرى arz 287.4 18,291 803,951 154,011
Asturian Asturianu ast 4.31 74,697 1,491,995 118,365
Azerbaijani Azərbaycanca az 30.9 133,922 4,272,851 345,421
South Azerbaijani تۆرکجه azb 2.6 72,300 372,566 144,292
Bashkir Башҡорт ba 23.47 42,536 802,328 123,334
Bavarian Boarisch bar 54.96 25,828 684,454 98,442
Samogitian Žemaitėška bat-smg 5.88 16,260 343,145 27,399
Belarusian Беларуская be 31.91 153,397 3,120,789 500,361
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 32.29 62,791 1,964,917 166,718
Bulgarian Български bg 23.54 241,255 8,463,620 535,782
Bengali বাংলা bn 415.56 57,796 2,983,946 574,978
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.35 25,078 780,403 58,163
Breton Brezhoneg br 13.2 64,428 1,785,786 126,793
Bosnian Bosanski bs 109.98 77,312 2,917,648 363,479
Buginese Basa Ugi bug 1.05 14,114 191,520 18,630
Catalan Català ca 30.2 578,499 19,805,279 1,433,895
Chechen Нохчийн ce 0.31 164,808 2,616,030 189,532
Cebuano Sinugboanong Binisaya ceb 1.09 5,382,899 22,151,892 8,964,243
Sorani کوردی ckb 96.48 21,502 569,557 117,386
Czech Čeština cs 41.92 404,299 16,003,001 1,086,310
Chuvash Чăваш cv 4.57 41,221 628,221 70,788
Welsh Cymraeg cy 31.18 100,431 5,151,421 215,008
Danish Dansk da 66.76 236,808 9,479,357 798,331
German Deutsch de 94.38 2,175,427 175,729,713 6,119,039
Greek Ελληνικά el 66.02 146,049 6,988,911 445,751
English English en 903.75 5,623,391 833,491,029 44,829,506
Esperanto Esperanto eo 16.99 246,363 6,285,125 545,496
Spanish Español es 205.66 1,406,483 106,830,282 6,307,523
Estonian Eesti et 25.69 174,204 4,970,644 435,598
Basque Euskara eu 18.27 291,915 6,186,262 716,570
Persian فارسی fa 177.44 612,727 23,024,604 4,025,531
Finnish Suomi fi 42.23 436,103 17,206,506 1,177,462
Faroese Føroyskt fo 36.21 12,701 347,310 37,973
French Français fr 221.35 1,978,042 147,389,614 9,416,647
West Frisian Frysk fy 28.96 40,009 915,645 116,950
Irish Gaeilge ga 4.93 46,522 887,622 76,946
Scottish Gaelic Gàidhlig gd 20.35 14,688 540,883 30,396
Galician Galego gl 27.7 147,351 4,712,518 362,403
Gujarati ગુજરાતી gu 24.31 27,698 567,036 78,518
Hebrew עברית he 244.95 223,585 22,850,682 929,248
Hindi हिन्दी hi 125.35 124,474 3,771,063 743,125
Croatian Hrvatski hr 25.81 189,162 5,056,431 487,563
Upper Sorbian Hornjoserbsce hsb 26.6 12,718 356,905 32,515
Haitian Krèyol ayisyen ht 0.57 52,013 706,184 63,784
Hungarian Magyar hu 57.62 430,022 19,810,468 1,249,909
Armenian Հայերեն hy 39.13 239,893 5,725,761 801,276
Interlingua Interlingua ia 6.5 20,622 593,931 33,021
Indonesian Bahasa Indonesia id 117.39 428,141 13,829,347 2,333,755
Ido Ido io 5.66 27,570 926,328 41,443
Ilokano Ilokano ilo 70.71 10,952 315,487 46,192
Icelandic Íslenska is 36.37 44,848 1,587,006 118,875
Italian Italiano it 135.26 1,432,921 96,163,094 5,371,659
Japanese 日本語 ja 80.07 1,104,239 68,118,011 3,268,644
Javanese Basa Jawa jv 26.33 54,860 1,439,020 143,872
Georgian ქართული ka 33.42 122,033 3,471,837 344,126
Kazakh Қазақша kk 9.14 221,346 2,612,060 519,991
Kannada ಕನ್ನಡ kn 75.18 23,291 840,600 89,004
Korean 한국어 ko 108.7 415,513 21,088,528 1,613,992
Kurdish Kurdî ku 27.77 23,407 700,899 59,283
Kirghiz Кыргызча ky 0.21 79,810 318,385 100,098
Latin Latina la 11.96 128,364 3,340,044 249,732
Luxembourgish Lëtzebuergesch lb 26.36 51,870 2,103,092 113,833
Limburgish Limburgs li 111 12,139 426,437 60,184
Lombard Lumbaart lmo 25.73 37,287 966,404 97,302
Lithuanian Lietuvių lt 22.48 187,708 5,359,701 443,814
Latvian Latviešu lv 77.84 84,284 2,839,668 342,560
Maithili मैथिली mai 10.91 12,458 170,215 29,621
Banyumasan Basa Banyumasan map-bms 9.32 13,321 203,350 28,564
Malagasy Malagasy mg 9.34 84,949 814,256 219,828
Minangkabau Bahaso Minangkabau min 0.902 222,168 1,547,342 317,764
Macedonian Македонски mk 108.85 94,116 3,703,260 427,884
Malayalam മലയാളം ml 220.23 56,036 2,781,115 351,796
Mongolian Монгол mn 53.24 18,011 542,462 62,683
Marathi मराठी mr 73.09 51,331 1,584,830 211,733
Hill Mari Кырык Мары (Kyryk Mary) mrj 1.49 10,265 93,741 15,336
Malay Bahasa Melayu ms 14.95 314,601 4,318,673 856,276
Burmese language မ္ရန္‌မာစာ my 5.87 38,355 397,565 80,062
Mazandarani مَزِروني mzn 7.46 12,635 144,541 27,755
Neapolitan Nnapulitano nap 16.5 14,524 648,708 26,431
Low Saxon Plattdüütsch nds 28.73 30,155 816,146 81,111
Nepali नेपाली ne 24.42 30,495 638,123 85,732
Newari नेवारी new 12.72 72,151 843,862 196,213
Dutch Nederlands nl 14.35 1,929,664 51,365,622 3,959,193
Norwegian (Nynorsk) Nynorsk nn 17.53 137,656 3,030,561 326,988
Norwegian (Bokmål) Norsk (Bokmål) no 38.82 487,256 18,409,871 1,291,271
Occitan Occitan oc 6.64 84,426 2,075,370 141,163
Oriya ଓଡ଼ିଆ or 57.34 13,755 312,059 59,071
Ossetian Иронау os 91.52 10,735 466,203 41,303
Punjabi ਪੰਜਾਬੀ pa 25.1 28,601 420,657 97,623
Polish Polski pl 27.94 1,276,813 53,092,262 2,836,820
Piedmontese Piemontèis pms 2.4 64,333 839,346 98,508
Western Panjabi شاہ مکھی پنجابی pnb 1.34 46,426 502,370 65,858
Portuguese Português pt 147.17 997,434 51,713,227 4,610,339
Quechua Runa Simi qu 28.82 20,489 632,217 52,049
Romanian Română ro 109.14 385,337 12,131,669 2,033,500
Russian Русский ru 131.62 1,469,145 92,005,644 5,643,644
Sanskrit संस्कृतम् sa 113.12 11,262 434,453 53,163
Sakha Саха тыла sah 50.04 11,584 339,808 39,536
Sicilian Sicilianu scn 16.45 25,964 721,799 55,045
Scots Scots sco 24.57 51,527 664,309 187,060
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 779.09 443,164 40,796,971 4,594,094
Sinhalese සිංහල si 78.75 14,708 420,674 66,667
Simple English Simple English simple 78.05 133,294 6,056,153 456,675
Slovak Slovenčina sk 18.66 225,737 6,639,162 490,845
Slovenian Slovenščina sl 24.35 160,929 4,971,977 380,663
Albanian Shqip sq 28.68 73,785 1,855,605 205,179
Serbian Српски sr 137.54 605,932 20,002,408 3,635,454
Sundanese Basa Sunda su 4.08 39,569 536,974 68,007
Swedish Svenska sv 5.85 3,784,346 42,755,016 7,656,445
Swahili Kiswahili sw 18.27 40,711 1,025,926 93,141
Tamil தமிழ் ta 26.98 115,886 2,509,396 336,245
Telugu తెలుగు te 55.11 68,945 2,341,059 229,045
Tajik Тоҷикӣ tg 4.27 93,727 994,891 174,881
Thai ไทย th 241.65 123,657 7,562,748 714,500
Tagalog Tagalog tl 23.94 81,570 1,630,764 232,166
Turkish Türkçe tr 206.69 308,310 19,613,875 1,557,280
Tatar Татарча tt 22.82 78,710 2,265,483 186,620
Ukrainian Українська uk 38.73 782,950 22,417,962 2,365,883
Urdu اردو ur 87.05 138,312 3,411,416 738,910
Uzbek O‘zbek uz 46.11 129,133 1,982,241 619,226
Venetian Vèneto vec 72.08 11,155 583,026 34,037
Vietnamese Tiếng Việt vi 317.49 1,171,411 39,526,520 13,261,360
Volapük Volapük vo 14.36 121,019 3,184,950 249,350
Walloon Walon wa 22.61 14,572 333,025 37,966
Waray-Waray Winaray war 3.51 1,262,946 6,187,971 2,875,844
Yiddish ייִדיש yi 40.93 14,351 529,025 39,412
Yoruba Yorùbá yo 4.67 31,618 512,514 53,742
Chinese 中文 zh 173.18 1,002,822 48,991,246 5,373,398
Min Nan Bân-lâm-gú zh-min-nan 12.31 226,504 1,888,957 715,576
Cantonese 粵語 zh-yue 16.88 66,367 1,187,483 169,317
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.