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 967 = 21.11 × 45.84 and is the deepest one for Wikipedias with number of articles greater than 10000.

The largest depth for the unblocked Wikipedias has Ripuarian Wikipedia which has the depth 1081 = 155.84 × 6.94.

The smallest depth has Chechen Wikipedia which has the depth 0.178 = 9.38 × 0.019.

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 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 29.77 43,883 1,584,896 105,725
Alemannic Alemannisch als 22.7 22,569 759,134 50,229
Amharic አማርኛ am 40.07 13,359 348,657 43,086
Aragonese Aragonés an 78.87 31,887 1,633,710 102,985
Arabic العربية ar 216.87 466,001 25,343,386 2,710,111
Egyptian Arabic مصرى arz 311.92 16,310 800,886 134,245
Asturian Asturianu ast 4.21 48,418 1,035,109 75,190
Azerbaijani Azərbaycanca az 34.9 114,509 4,050,683 298,131
South Azerbaijani تۆرکجه azb 2.3 14,577 125,828 24,359
Bashkir Башҡорт ba 21.36 37,265 661,800 106,292
Bavarian Boarisch bar 63.78 22,066 630,426 87,846
Samogitian Žemaitėška bat-smg 5.97 16,020 356,653 26,737
Belarusian Беларуская be 31.89 126,059 2,623,940 406,150
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 31.87 60,221 1,959,038 156,229
Bulgarian Български bg 24.07 227,329 8,152,846 504,867
Bengali বাংলা bn 454.03 48,113 2,591,448 497,143
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.48 25,068 806,064 57,517
Breton Brezhoneg br 14.46 61,225 1,817,140 121,414
Bosnian Bosanski bs 123.22 73,359 3,024,783 350,599
Buginese Basa Ugi bug 0.96 14,118 198,433 18,316
Catalan Català ca 31.2 534,527 18,515,989 1,336,842
Chechen Нохчийн ce 0.18 160,115 1,708,386 182,195
Cebuano Sinugboanong Binisaya ceb 1.14 4,024,973 13,043,141 7,228,676
Sorani کوردی ckb 114.08 18,571 540,191 106,747
Czech Čeština cs 40.33 374,366 14,682,266 992,507
Chuvash Чăваш cv 3.62 38,110 603,730 61,200
Welsh Cymraeg cy 42.28 90,299 5,800,874 199,063
Danish Dansk da 66.69 223,755 8,902,748 756,385
German Deutsch de 99.15 2,033,737 167,584,792 5,801,557
Greek Ελληνικά el 70.22 127,797 6,383,032 393,793
English English en 967.47 5,337,749 875,438,801 41,475,219
Esperanto Esperanto eo 16.78 237,375 6,177,608 519,256
Spanish Español es 191.44 1,316,940 96,695,488 5,766,824
Estonian Eesti et 28.55 154,386 4,709,478 392,519
Basque Euskara eu 18.43 277,580 5,904,427 682,804
Persian فارسی fa 212.23 524,033 23,786,848 3,417,797
Finnish Suomi fi 45.06 408,849 17,121,737 1,106,550
Faroese Føroyskt fo 36.55 12,439 342,070 37,259
French Français fr 214.1 1,843,805 137,112,977 8,600,743
West Frisian Frysk fy 22.43 37,172 856,836 96,150
Irish Gaeilge ga 5.11 39,382 844,696 63,866
Scottish Gaelic Gàidhlig gd 21.08 14,362 541,737 29,835
Galician Galego gl 25.16 136,351 4,299,758 324,147
Gujarati ગુજરાતી gu 16.71 26,831 467,174 68,967
Hebrew עברית he 258.28 202,314 21,098,209 857,997
Hindi हिन्दी hi 109.67 117,169 3,502,133 642,891
Croatian Hrvatski hr 30.45 172,123 5,015,920 459,620
Upper Sorbian Hornjoserbsce hsb 31.25 11,071 355,856 28,622
Haitian Krèyol ayisyen ht 0.53 51,150 697,207 62,271
Hungarian Magyar hu 57.86 403,835 19,100,662 1,161,231
Armenian Հայերեն hy 35.71 216,096 5,027,969 696,824
Interlingua Interlingua ia 6.55 19,621 564,114 31,483
Indonesian Bahasa Indonesia id 122.28 393,858 13,533,669 2,116,034
Ido Ido io 5.89 26,909 906,512 40,759
Ilokano Ilokano ilo 75.52 10,298 307,182 44,271
Icelandic Íslenska is 41.21 41,910 1,608,267 113,334
Italian Italiano it 122.67 1,336,298 91,306,109 4,690,952
Japanese 日本語 ja 76.92 1,050,119 64,060,471 3,064,500
Javanese Basa Jawa jv 22.88 49,695 1,139,201 129,995
Georgian ქართული ka 33.24 112,959 3,322,923 312,739
Kazakh Қазақша kk 8.85 218,039 2,633,121 501,070
Kannada ಕನ್ನಡ kn 56.52 21,665 681,742 76,070
Korean 한국어 ko 114.1 373,087 20,161,083 1,437,070
Kurdish Kurdî ku 29.67 22,680 713,646 57,855
Kirghiz Кыргызча ky 0.26 62,715 260,593 80,487
Latin Latina la 11.83 126,218 3,337,600 243,470
Luxembourgish Lëtzebuergesch lb 28.59 48,085 2,061,656 106,530
Limburgish Limburgs li 107.67 11,615 428,038 54,700
Lombard Lumbaart lmo 32.2 34,765 1,094,915 91,927
Lithuanian Lietuvių lt 21.93 181,050 5,318,646 418,993
Latvian Latviešu lv 82.32 75,795 2,736,484 305,614
Maithili मैथिली mai 7.28 10,292 110,271 22,963
Banyumasan Basa Banyumasan map-bms 8.56 13,284 210,137 27,295
Malagasy Malagasy mg 9.99 83,430 836,304 218,087
Minangkabau Bahaso Minangkabau min 0.884 221,970 1,539,289 316,596
Macedonian Македонски mk 138.73 88,440 4,358,391 406,605
Malayalam മലയാളം ml 252.88 47,784 2,515,309 317,944
Mongolian Монгол mn 45.65 16,739 518,783 52,830
Marathi मराठी mr 75.57 45,929 1,486,110 187,904
Hill Mari Кырык Мары (Kyryk Mary) mrj 1.13 10,162 91,815 14,446
Malay Bahasa Melayu ms 16.11 287,016 4,281,277 778,065
Burmese language မ္ရန္‌မာစာ my 4.38 34,820 355,999 66,236
Mazandarani مَزِروني mzn 6.6 12,371 138,388 26,193
Neapolitan Nnapulitano nap 18.05 14,434 699,592 26,332
Low Saxon Plattdüütsch nds 32.84 25,817 812,828 68,892
Nepali नेपाली ne 21.89 29,967 600,523 81,681
Newari नेवारी new 12.69 72,123 842,556 196,042
Dutch Nederlands nl 13.05 1,894,028 49,707,606 3,781,197
Norwegian (Nynorsk) Nynorsk nn 17.14 132,416 2,936,687 310,734
Norwegian (Bokmål) Norsk (Bokmål) no 36.32 461,911 17,110,292 1,198,754
Occitan Occitan oc 7.08 82,687 2,200,356 137,723
Oriya ଓଡ଼ିଆ or 57.26 12,229 265,351 53,956
Ossetian Иронау os 97.7 10,360 485,949 39,587
Punjabi ਪੰਜਾਬੀ pa 25.29 24,624 369,015 83,546
Polish Polski pl 24.4 1,208,117 48,478,095 2,586,756
Piedmontese Piemontèis pms 2.38 64,035 863,578 97,184
Western Panjabi شاہ مکھی پنجابی pnb 0.98 43,655 505,334 58,333
Portuguese Português pt 138.95 957,011 49,051,966 4,295,136
Quechua Runa Simi qu 32.38 20,010 662,842 51,861
Romanian Română ro 85.05 374,647 11,354,851 1,719,026
Russian Русский ru 140.29 1,374,351 96,083,876 5,139,098
Sanskrit संस्कृतम् sa 100.01 10,743 409,581 47,222
Sakha Саха тыла sah 52.41 11,077 351,909 37,123
Sicilian Sicilianu scn 20.71 25,378 754,181 57,177
Scots Scots sco 26.54 42,335 587,843 153,953
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 792.67 437,547 40,740,253 4,558,042
Sinhalese සිංහල si 86.16 13,236 400,277 61,325
Simple English Simple English simple 75.66 123,172 5,588,298 415,208
Slovak Slovenčina sk 18.89 216,355 6,472,258 469,629
Slovenian Slovenščina sl 24.96 154,717 4,958,559 364,217
Albanian Shqip sq 31.71 64,533 1,867,382 176,152
Serbian Српски sr 71.33 345,275 12,757,926 1,262,642
Sundanese Basa Sunda su 20.9 19,254 507,188 45,669
Swedish Svenska sv 5.14 3,782,840 39,026,860 7,558,657
Swahili Kiswahili sw 23.46 35,266 1,033,220 83,952
Tamil தமிழ் ta 32.67 91,397 2,269,507 272,375
Telugu తెలుగు te 46.76 66,430 2,052,376 212,647
Tajik Тоҷикӣ tg 6.64 67,692 860,882 137,347
Thai ไทย th 232.17 114,759 7,200,292 633,383
Tagalog Tagalog tl 37.07 66,186 1,622,019 211,796
Turkish Türkçe tr 213.62 291,882 19,171,985 1,475,299
Tatar Татарча tt 25.86 70,219 2,188,240 169,639
Ukrainian Українська uk 39.23 681,742 19,961,721 2,050,307
Urdu اردو ur 163.33 113,932 5,361,558 601,711
Uzbek O‘zbek uz 61.51 128,876 2,654,329 615,670
Venetian Vèneto vec 77.01 10,874 600,302 33,375
Vietnamese Tiếng Việt vi 30.15 1,153,836 26,321,536 3,446,435
Volapük Volapük vo 15.21 120,480 3,311,221 249,470
Walloon Walon wa 22.28 14,403 331,777 37,151
Waray-Waray Winaray war 3.57 1,262,276 6,293,428 2,872,954
Yiddish ייִדיש yi 44.27 13,735 534,522 38,150
Yoruba Yorùbá yo 5.35 31,525 561,957 54,154
Chinese 中文 zh 166.32 927,196 44,523,470 4,890,048
Min Nan Bân-lâm-gú zh-min-nan 10.53 202,832 1,549,775 618,587
Cantonese 粵語 zh-yue 24.56 51,108 1,106,853 141,760
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 967 99 214 24 77 123 13 139 191 140 5 166 36 45 31 39 214 85 15 40 58 17 19 67 122 258 217 114 22 71
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.