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 953 = 18.67 × 51.01 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 1070 = 155.12 × 6.9.

The Chechen Wikipedia has the smallest depth, at 0.222 = 12.16 × 0.018.

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
136
137
138
139
140
141
No.
Language Language (local) Wiki Depth Articles Edits Total Pages
Afrikaans Afrikaans af 34.37 77,868 1,970,092 235,802
Alemannic Alemannisch als 26.41 25,609 896,873 59,513
Amharic አማርኛ am 34.28 14,589 353,430 45,106
Aragonese Aragonés an 67.01 34,969 1,627,537 109,072
Arabic العربية ar 201.1 757,314 34,191,852 4,767,554
Egyptian Arabic مصرى arz 282.52 20,230 858,608 172,754
Asturian Asturianu ast 4.29 99,300 2,248,017 152,937
Azerbaijani Azərbaycanca az 31.5 145,374 4,663,326 377,464
South Azerbaijani تۆرکجه azb 6.2 134,762 893,257 343,321
Bashkir Башҡорт ba 21.98 47,969 880,813 136,495
Bavarian Boarisch bar 50.19 27,936 710,664 103,440
Samogitian Žemaitėška bat-smg 5.75 16,716 346,970 28,126
Belarusian Беларуская be 30.02 167,799 3,346,644 535,550
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 33.44 66,582 2,045,012 181,177
Bulgarian Български bg 25.24 251,246 9,403,643 558,978
Bengali বাংলা bn 412.61 66,019 3,413,607 652,182
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.51 25,083 781,433 58,301
Breton Brezhoneg br 12.87 66,528 1,828,618 130,203
Bosnian Bosanski bs 106.59 79,725 2,979,889 369,610
Buginese Basa Ugi bug 1.07 14,123 192,161 18,683
Catalan Català ca 29.73 610,997 20,925,865 1,504,095
Chechen Нохчийн ce 0.22 213,593 2,947,688 242,429
Min Dong Mìng-dĕ̤ng-ngṳ̄ cdo 2.47 14,368 76,445 28,062
Cebuano Sinugboanong Binisaya ceb 1.52 5,322,442 26,349,900 9,197,336
Sorani کوردی ckb 93.77 23,338 614,030 125,514
Czech Čeština cs 45.55 426,485 17,109,658 1,183,491
Chuvash Чăваш cv 5.22 41,937 654,818 74,190
Welsh Cymraeg cy 48.09 104,359 7,961,510 226,403
Danish Dansk da 64.47 248,410 9,873,438 824,923
German Deutsch de 94.19 2,291,399 186,294,149 6,419,667
Greek Ελληνικά el 62.53 160,834 7,476,857 484,645
Emilian-Romagnol Emiliàn e rumagnòl eml 11.05 11,973 130,076 31,582
English English en 952.61 5,838,931 887,813,192 47,542,142
Esperanto Esperanto eo 17.25 257,161 6,555,120 572,861
Spanish Español es 196.66 1,516,317 114,813,671 6,623,857
Estonian Eesti et 23.8 190,662 5,270,563 467,771
Basque Euskara eu 10.25 333,347 6,802,595 667,722
Persian فارسی fa 175.92 672,113 25,828,211 4,316,366
Finnish Suomi fi 42.19 456,448 18,022,105 1,231,459
Faroese Føroyskt fo 35.85 12,918 351,002 38,553
French Français fr 228.03 2,097,527 157,983,754 10,110,227
West Frisian Frysk fy 30.63 41,921 955,000 126,292
Irish Gaeilge ga 4.44 50,650 923,856 82,537
Scottish Gaelic Gàidhlig gd 20.53 14,796 545,070 30,710
Galician Galego gl 33.49 155,891 5,111,271 412,031
Gujarati ગુજરાતી gu 34.54 28,391 658,169 90,134
Hebrew עברית he 257.3 241,332 25,222,680 1,019,675
Hindi हिन्दी hi 152.08 130,546 4,156,814 864,895
Croatian Hrvatski hr 23.09 204,579 5,226,303 512,406
Upper Sorbian Hornjoserbsce hsb 25.65 13,402 364,875 34,175
Haitian Krèyol ayisyen ht 0.56 55,245 725,581 67,835
Hungarian Magyar hu 58.43 448,335 21,126,626 1,297,659
Armenian Հայերեն hy 39.89 254,894 6,271,337 846,251
Interlingua Interlingua ia 6.19 21,537 607,484 34,257
Indonesian Bahasa Indonesia id 118.88 458,935 14,967,832 2,506,705
Ido Ido io 5.61 28,356 944,338 42,618
Ilokano Ilokano ilo 65.74 12,055 335,994 49,615
Icelandic Íslenska is 36.22 46,875 1,627,481 125,079
Italian Italiano it 156.64 1,521,366 103,737,609 6,161,959
Japanese 日本語 ja 81.76 1,147,427 72,180,613 3,398,879
Javanese Basa Jawa jv 28.53 55,370 1,475,510 149,523
Georgian ქართული ka 35.71 128,180 3,647,427 373,190
Kazakh Қазақша kk 9.6 224,059 2,681,012 533,818
Kannada ಕನ್ನಡ kn 90.42 24,552 909,505 103,191
Korean 한국어 ko 150.48 452,396 23,960,140 2,092,340
Kurdish Kurdî ku 23.69 25,658 718,786 62,476
Kirghiz Кыргызча ky 0.34 79,403 348,898 104,850
Latin Latina la 12.17 130,339 3,397,358 254,913
Luxembourgish Lëtzebuergesch lb 23.89 56,283 2,169,816 121,341
Limburgish Limburgs li 109.41 12,382 432,559 61,031
Lombard Lumbaart lmo 25.03 38,474 983,862 99,767
Lithuanian Lietuvių lt 22.5 194,701 5,525,591 461,608
Latvian Latviešu lv 78.51 92,419 3,041,630 383,014
Maithili मैथिली mai 12.28 13,321 189,828 32,696
Banyumasan Basa Banyumasan map-bms 9.73 13,344 207,877 28,849
Malagasy Malagasy mg 10.1 91,620 969,076 235,041
Meadow Mari Олык Марий (Olyk Marij) mhr 13.82 10,040 175,909 23,753
Minangkabau Bahaso Minangkabau min 1.007 222,653 1,631,097 321,938
Macedonian Македонски mk 105.12 99,739 3,825,296 450,792
Malayalam മലയാളം ml 212.3 63,207 3,062,212 393,234
Mongolian Монгол mn 62.02 18,580 573,622 69,516
Marathi मराठी mr 75.4 53,218 1,675,302 221,084
Hill Mari Кырык Мары (Kyryk Mary) mrj 1.89 10,269 94,690 16,082
Malay Bahasa Melayu ms 15.63 325,947 4,550,481 898,622
Burmese language မြန်မာဘာသာ my 6.98 44,019 457,168 97,820
Mazandarani مَزِروني mzn 7.51 12,897 147,686 28,395
Neapolitan Nnapulitano nap 17.3 14,585 654,112 26,882
Low Saxon Plattdüütsch nds 12.62 46,302 860,915 103,273
Nepali नेपाली ne 26.29 31,867 718,716 89,545
Newari नेवारी new 12.71 72,221 844,819 196,380
Dutch Nederlands nl 15.15 1,963,460 53,462,140 4,073,118
Norwegian (Nynorsk) Nynorsk nn 17.18 142,905 3,122,742 337,697
Norwegian (Bokmål) Norsk (Bokmål) no 40.82 507,166 19,319,223 1,370,066
Occitan Occitan oc 6.73 85,494 2,106,136 143,343
Oriya ଓଡ଼ିଆ or 61.93 14,824 364,585 63,517
Ossetian Иронау os 86 11,494 472,575 44,030
Punjabi ਪੰਜਾਬੀ pa 25.89 31,168 459,817 108,033
Polish Polski pl 29.67 1,331,981 56,241,334 3,010,811
Piedmontese Piemontèis pms 2.43 64,437 841,982 98,829
Western Panjabi شاہ مکھی پنجابی pnb 2.42 47,763 527,677 75,987
Portuguese Português pt 164.03 1,002,410 54,647,305 4,812,075
Quechua Runa Simi qu 27.34 21,092 635,976 52,901
Romanian Română ro 113.93 393,747 12,670,784 2,107,968
Russian Русский ru 133.01 1,540,900 98,923,083 5,869,795
Sanskrit संस्कृतम् sa 126.5 11,385 443,066 57,523
Sakha Саха тыла sah 49.72 11,993 345,663 41,181
Sicilian Sicilianu scn 16.46 26,064 725,124 55,250
Scots Scots sco 24.75 53,855 697,860 195,770
Sindhi سنڌي، سندھی ، सिन्ध sd 17.07 11,181 142,813 33,579
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 762.23 448,851 40,867,264 4,611,645
Sinhalese සිංහල si 81.24 15,053 433,299 69,323
Simple English Simple English simple 78.13 144,691 6,480,227 499,925
Slovak Slovenčina sk 19.26 229,256 6,798,485 502,861
Slovenian Slovenščina sl 25.07 164,117 5,110,894 391,555
Albanian Shqip sq 31.54 76,282 1,956,690 219,907
Serbian Српски sr 150.35 618,613 21,772,640 3,778,618
Sundanese Basa Sunda su 4.18 41,090 557,045 71,115
Swedish Svenska sv 6.54 3,748,703 45,299,432 7,703,571
Swahili Kiswahili sw 12.78 49,586 1,057,600 105,612
Tamil தமிழ் ta 29.81 121,614 2,686,262 367,085
Telugu తెలుగు te 67.48 70,596 2,625,507 249,286
Tajik Тоҷикӣ tg 4.32 97,065 1,031,950 181,739
Thai ไทย th 261.87 130,704 8,205,722 784,829
Tagalog Tagalog tl 31.23 75,088 1,687,265 230,029
Turkish Türkçe tr 197.49 325,817 20,488,213 1,608,900
Tatar Татарча tt 22.36 84,423 2,362,032 200,812
Ukrainian Українська uk 37.33 898,822 24,821,051 2,715,125
Urdu اردو ur 98.98 145,294 3,854,681 806,474
Uzbek O‘zbek uz 46.3 131,200 2,038,540 625,889
Venetian Vèneto vec 73.69 11,407 598,011 35,146
Vietnamese Tiếng Việt vi 438.07 1,205,751 51,938,793 14,573,945
Volapük Volapük vo 14.19 122,759 3,199,916 252,693
Walloon Walon wa 22.84 14,876 344,476 38,709
Waray-Waray Winaray war 3.51 1,263,537 6,198,924 2,877,207
Wu 吴语 wuu 3.26 18,620 249,239 30,359
Mingrelian მარგალური (Margaluri) xmf 6.9 12,975 137,345 28,496
Yiddish ייִדיש yi 41.18 14,673 539,434 40,459
Yoruba Yorùbá yo 4.9 31,873 518,693 54,801
Chinese 中文 zh 186.7 1,050,839 53,716,944 5,747,501
Min Nan Bân-lâm-gú zh-min-nan 13.18 228,115 1,928,003 741,697
Cantonese 粵語 zh-yue 16.86 72,238 1,286,085 184,598
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 953 94 228 30 82 157 15 164 197 133 7 187 41 42 30 37 197 114 14 46 58 17 19 64 119 257 201 150 22 150
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.