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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.

DefinitionEdit

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 974 = 18.79 × 51.8 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 1062 = 154.7 × 6.87.

The Chechen Wikipedia has the smallest depth, at 4.519 = 8.37 × 0.54.

BackgroundEdit

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+ articlesEdit

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
136
137
138
139
140
141
No.
Language Language (local) Wiki Depth Articles Edits Total Pages
Afrikaans Afrikaans af 32.69 85,933 2,051,495 261,268
Alemannic Alemannisch als 26.87 26,579 927,280 62,291
Amharic አማርኛ am 33.26 14,849 357,165 45,373
Aragonese Aragonés an 64.3 36,057 1,640,196 111,413
Arabic العربية ar 167.42 963,660 39,010,043 5,751,374
Egyptian Arabic مصرى arz 275.8 21,699 902,169 184,789
Asturian Asturianu ast 5.07 99,675 2,541,277 155,097
Azerbaijani Azərbaycanca az 32.1 150,492 4,888,102 391,964
South Azerbaijani تۆرکجه azb 9 152,150 1,127,550 435,488
Bashkir Башҡорт ba 21.66 49,920 912,748 141,354
Bavarian Boarisch bar 44.18 30,177 725,244 107,341
Samogitian Žemaitėška bat-smg 5.8 16,798 348,651 28,324
Belarusian Беларуская be 27.75 178,755 3,459,561 556,337
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 34.62 68,135 2,086,557 188,698
Bulgarian Български bg 25.13 256,627 9,620,718 569,682
Bengali বাংলা bn 373.32 75,109 3,734,597 706,158
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.64 25,085 781,944 58,424
Breton Brezhoneg br 12.78 67,246 1,847,092 131,363
Bosnian Bosanski bs 105.88 80,855 3,033,854 372,301
Buginese Basa Ugi bug 1.08 14,125 192,343 18,697
Catalan Català ca 30.67 625,593 22,089,358 1,540,481
Chechen Нохчийн ce 4.52 254,130 3,689,821 440,854
Min Dong Mìng-dĕ̤ng-ngṳ̄ cdo 2.68 15,262 83,908 30,285
Cebuano Sinugboanong Binisaya ceb 2 5,378,868 29,548,708 9,743,869
Sorani کوردی ckb 89.52 24,802 643,262 130,496
Czech Čeština cs 46.25 437,034 17,701,158 1,216,017
Chuvash Чăваш cv 5.42 42,187 660,076 75,366
Welsh Cymraeg cy 55.56 106,243 9,083,147 233,106
Danish Dansk da 63.77 253,893 10,065,975 839,377
German Deutsch de 93.93 2,355,051 191,869,205 6,582,610
Greek Ελληνικά el 61.02 169,286 7,819,105 505,546
Emilian-Romagnol Emiliàn e rumagnòl eml 11.05 12,143 132,407 31,977
English English en 973.52 5,953,051 917,080,319 48,799,794
Esperanto Esperanto eo 16.6 269,643 6,740,161 596,466
Spanish Español es 202.88 1,551,417 120,011,559 6,818,780
Estonian Eesti et 22.33 202,149 5,461,751 487,578
Basque Euskara eu 10.77 338,675 7,087,518 684,034
Persian فارسی fa 179.29 695,539 27,324,469 4,456,833
Finnish Suomi fi 41.2 470,309 18,422,695 1,259,733
Faroese Føroyskt fo 34.84 13,209 356,235 39,007
French Français fr 231.04 2,147,185 163,158,702 10,378,585
West Frisian Frysk fy 30.98 42,873 974,563 130,041
Irish Gaeilge ga 4.42 51,609 942,251 84,011
Scottish Gaelic Gàidhlig gd 20.68 14,834 550,017 30,795
Galician Galego gl 34.83 159,310 5,268,909 426,972
Gujarati ગુજરાતી gu 38.22 28,640 677,273 94,932
Hebrew עברית he 259.42 251,925 26,462,215 1,066,533
Hindi हिन्दी hi 164.93 133,590 4,341,644 925,829
Croatian Hrvatski hr 22.6 210,548 5,328,604 524,628
Upper Sorbian Hornjoserbsce hsb 25.69 13,434 366,060 34,266
Haitian Krèyol ayisyen ht 0.53 56,649 732,410 69,364
Hungarian Magyar hu 58.59 458,504 21,759,265 1,324,276
Armenian Հայերեն hy 41.11 259,132 6,573,934 860,063
Interlingua Interlingua ia 6.19 21,901 614,850 34,884
Indonesian Bahasa Indonesia id 108.39 505,935 15,990,616 2,650,301
Ido Ido io 5.51 28,846 950,762 43,301
Ilokano Ilokano ilo 52.97 13,544 342,973 51,884
Icelandic Íslenska is 35.14 48,455 1,648,198 128,731
Italian Italiano it 162.87 1,559,019 108,028,585 6,402,770
Japanese 日本語 ja 82.59 1,173,127 74,459,608 3,476,978
Javanese Basa Jawa jv 28.06 56,652 1,493,878 152,553
Georgian ქართული ka 35.32 132,164 3,731,878 384,160
Kazakh Қазақша kk 9.83 225,400 2,714,908 540,787
Kannada ಕನ್ನಡ kn 96.69 25,141 943,510 109,270
Korean 한국어 ko 148.31 472,388 24,991,743 2,166,043
Kurdish Kurdî ku 24.36 26,304 738,380 64,746
Kirghiz Кыргызча ky 0.35 79,653 351,362 105,327
Latin Latina la 12.58 131,342 3,472,387 258,439
Luxembourgish Lëtzebuergesch lb 23.77 57,302 2,208,507 123,325
Limburgish Limburgs li 108.79 12,620 437,424 62,294
Lombard Lumbaart lmo 24.64 39,043 990,771 100,892
Lithuanian Lietuvių lt 22.75 196,903 5,636,339 467,343
Latvian Latviešu lv 72.74 98,509 3,116,842 399,191
Maithili मैथिली mai 13.64 13,456 199,781 33,935
Banyumasan Basa Banyumasan map-bms 9.87 13,327 208,310 28,927
Malagasy Malagasy mg 10.08 92,106 974,641 235,991
Meadow Mari Олык Марий (Olyk Marij) mhr 14.66 10,053 177,144 24,316
Minangkabau Bahaso Minangkabau min 1.168 223,220 1,844,823 324,384
Macedonian Македонски mk 102.38 102,535 3,873,319 460,103
Malayalam മലയാളം ml 209.99 66,008 3,176,927 409,373
Mongolian Монгол mn 68.64 18,922 592,577 74,513
Marathi मराठी mr 72.81 55,157 1,706,085 226,733
Hill Mari Кырык Мары (Kyryk Mary) mrj 2.17 10,268 95,406 16,579
Malay Bahasa Melayu ms 15.78 330,465 4,641,853 912,533
Burmese language မြန်မာဘာသာ my 9.42 45,038 486,775 111,053
Mazandarani مَزِروني mzn 7.35 13,123 149,182 28,732
Neapolitan Nnapulitano nap 10.26 14,553 659,653 23,319
Low Saxon Plattdüütsch nds 8.2 57,814 889,329 118,168
Nepali नेपाली ne 25.54 33,284 748,752 92,362
Newari नेवारी new 12.72 72,232 845,187 196,454
Dutch Nederlands nl 15.52 1,981,289 54,636,406 4,126,737
Norwegian (Nynorsk) Nynorsk nn 15.62 150,386 3,163,223 347,303
Norwegian (Bokmål) Norsk (Bokmål) no 41.57 520,971 19,810,797 1,420,346
Occitan Occitan oc 6.78 86,422 2,133,570 145,111
Oriya ଓଡ଼ିଆ or 62.12 15,141 375,234 64,690
Ossetian Иронау os 85.11 11,706 474,938 44,919
Punjabi ਪੰਜਾਬੀ pa 27.64 31,930 490,809 112,176
Polish Polski pl 30.08 1,365,714 57,550,244 3,105,690
Piedmontese Piemontèis pms 2.44 64,521 844,525 99,067
Western Panjabi شاہ مکھی پنجابی pnb 2.44 48,857 533,926 78,005
Portuguese Português pt 168.88 1,015,124 56,312,213 4,910,744
Quechua Runa Simi qu 26.42 21,490 637,965 53,468
Romanian Română ro 115.77 401,506 13,066,993 2,156,454
Russian Русский ru 135.64 1,574,180 102,484,387 6,016,210
Sanskrit संस्कृतम् sa 132.32 11,419 446,685 59,263
Sakha Саха тыла sah 50.64 12,055 347,629 41,803
Sicilian Sicilianu scn 16.48 26,060 726,106 55,241
Scots Scots sco 24.78 55,122 717,131 200,033
Sindhi سنڌي، سندھی ، सिन्ध sd 16.14 12,258 155,589 35,921
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 759.62 450,161 40,902,175 4,619,889
Sinhalese සිංහල si 81.11 15,406 441,614 71,067
Simple English Simple English simple 77.52 150,450 6,669,373 520,512
Slovak Slovenčina sk 19.75 231,353 6,901,358 511,159
Slovenian Slovenščina sl 25.55 165,702 5,190,785 397,474
Albanian Shqip sq 33.71 77,862 2,041,863 229,391
Serbian Српски sr 151.58 625,406 22,210,814 3,817,762
Sundanese Basa Sunda su 1.95 59,565 591,995 92,424
Swedish Svenska sv 6.84 3,748,398 46,357,866 7,759,478
Swahili Kiswahili sw 11.17 54,208 1,086,032 112,526
Tamil தமிழ் ta 31.67 123,751 2,812,002 379,639
Telugu తెలుగు te 74.22 71,346 2,749,407 260,571
Tajik Тоҷикӣ tg 4.3 98,725 1,044,244 184,864
Thai ไทย th 271.67 133,606 8,528,284 813,906
Tagalog Tagalog tl 31.86 75,877 1,718,035 233,888
Turkish Türkçe tr 200.49 334,763 21,009,767 1,671,928
Tatar Татарча tt 22.09 87,414 2,395,029 208,703
Ukrainian Українська uk 38.34 942,115 26,239,089 2,872,262
Urdu اردو ur 100.21 149,280 3,975,094 833,625
Uzbek O‘zbek uz 46.23 132,118 2,059,381 628,311
Venetian Vèneto vec 62.91 12,435 604,218 36,765
Vietnamese Tiếng Việt vi 472.12 1,237,392 55,800,611 15,329,567
Volapük Volapük vo 14.05 123,476 3,203,670 253,708
Walloon Walon wa 21.9 15,374 350,002 39,561
Waray-Waray Winaray war 3.52 1,263,772 6,204,320 2,877,744
Wu 吴语 wuu 2.22 22,117 255,750 34,153
Mingrelian მარგალური (Margaluri) xmf 6.82 13,182 139,020 28,866
Yiddish ייִדיש yi 41.93 14,877 545,527 41,422
Yoruba Yorùbá yo 4.92 31,945 520,248 54,986
Chinese 中文 zh 192.88 1,077,527 56,208,831 5,943,825
Min Nan Bân-lâm-gú zh-min-nan 13.19 228,395 1,933,201 742,383
Cantonese 粵語 zh-yue 16.97 74,558 1,335,412 190,571
Language Language (local) Wiki Depth Articles Edits Total Pages


TrendsEdit

 
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 974 94 231 30 83 163 16 169 203 136 7 193 42 41 31 38 200 116 14 46 59 17 20 64 108 259 167 148 23 152
1 Jan 2019 937 95 225 29 81 157 15 154 196 132 6 181 40 42 30 37 199 112 14 45 58 17 19 67 118 254 238 146 22 144
1 July 2018 907 94 224 28 80 155 14 150 205 134 6 175 39 42 30 38 205 110 14 42 58 17 19 67 117 247 225 110 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 alsoEdit

Lists of Wikipedias by various criteria: edit

NotesEdit

  1. List of Wikipedias
  2. At November 2008.