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 1010 = 21.14 × 47.77 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 1071 = 155.69 × 6.88.

The Chechen Wikipedia has the smallest depth, at 0.243 = 12.46 × 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. 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 28.95 48,005 1,685,261 115,668
Alemannic Alemannisch als 27.12 23,637 816,263 55,826
Amharic አማርኛ am 38.3 13,956 356,849 44,435
Aragonese Aragonés an 77.01 32,538 1,644,513 104,523
Arabic العربية ar 216.15 549,856 28,956,250 3,263,995
Egyptian Arabic مصرى arz 306.18 17,652 837,740 147,067
Asturian Asturianu ast 4.86 54,679 1,199,226 87,189
Azerbaijani Azərbaycanca az 32.7 129,887 4,384,575 335,116
South Azerbaijani تۆرکجه azb 1.1 55,130 269,165 88,655
Bashkir Башҡорт ba 23.71 40,854 776,038 118,636
Bavarian Boarisch bar 63.33 23,682 666,101 94,772
Samogitian Žemaitėška bat-smg 6.13 16,223 358,642 27,304
Belarusian Беларуская be 33.2 148,016 3,090,525 486,316
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 33.34 61,761 2,019,231 163,125
Bulgarian Български bg 24.55 237,589 8,664,099 528,240
Bengali বাংলা bn 433.57 54,555 2,918,957 545,733
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 24.01 25,081 811,787 57,905
Breton Brezhoneg br 14.02 63,502 1,854,678 125,305
Bosnian Bosanski bs 116.96 76,678 3,101,001 358,731
Buginese Basa Ugi bug 1.09 14,120 200,108 18,619
Catalan Català ca 30.55 567,401 19,707,619 1,404,759
Chechen Нохчийн ce 0.24 164,613 2,337,719 187,580
Cebuano Sinugboanong Binisaya ceb 0.89 5,382,962 17,977,730 8,963,644
Sorani کوردی ckb 110.43 20,246 587,837 113,893
Czech Čeština cs 41.56 395,768 15,627,726 1,060,378
Chuvash Чăваш cv 4.56 40,779 635,016 69,610
Welsh Cymraeg cy 54.7 93,120 7,713,216 205,547
Danish Dansk da 66.37 233,882 9,312,307 788,201
German Deutsch de 96.97 2,132,919 176,500,508 6,008,065
Greek Ελληνικά el 67.58 140,879 6,900,775 429,970
English English en 1009.62 5,533,365 925,241,476 43,777,648
Esperanto Esperanto eo 16.94 243,462 6,308,488 535,328
Spanish Español es 204.01 1,374,482 104,028,355 6,146,549
Estonian Eesti et 27.57 166,875 4,978,495 422,001
Basque Euskara eu 18.62 286,928 6,191,143 704,568
Persian فارسی fa 213.72 586,270 26,597,645 3,844,928
Finnish Suomi fi 44.7 427,147 17,800,928 1,154,435
Faroese Føroyskt fo 36.14 12,651 345,793 37,796
French Français fr 221.69 1,938,481 146,122,124 9,168,243
West Frisian Frysk fy 29.96 39,419 933,394 115,229
Irish Gaeilge ga 5.32 45,215 896,470 75,459
Scottish Gaelic Gàidhlig gd 22.12 14,634 552,816 30,907
Galician Galego gl 27.92 143,641 4,693,262 351,287
Gujarati ગુજરાતી gu 21.21 27,488 532,493 75,000
Hebrew עברית he 253.73 217,066 23,049,909 900,481
Hindi हिन्दी hi 123.72 122,620 3,762,286 718,767
Croatian Hrvatski hr 29 180,380 5,155,822 475,341
Upper Sorbian Hornjoserbsce hsb 27.91 12,410 368,393 31,616
Haitian Krèyol ayisyen ht 0.56 51,594 702,953 63,111
Hungarian Magyar hu 59.37 422,229 20,072,858 1,226,435
Armenian Հայերեն hy 38.59 236,432 5,584,199 788,264
Interlingua Interlingua ia 6.37 20,579 590,906 32,823
Indonesian Bahasa Indonesia id 124.86 417,343 14,458,437 2,261,788
Ido Ido io 5.68 27,388 922,018 41,189
Ilokano Ilokano ilo 76.54 10,888 328,641 46,855
Icelandic Íslenska is 38.46 43,945 1,631,481 116,898
Italian Italiano it 130.81 1,404,878 98,567,209 5,037,290
Japanese 日本語 ja 80.01 1,087,906 67,657,044 3,206,265
Javanese Basa Jawa jv 28.76 51,075 1,393,478 136,948
Georgian ქართული ka 34.08 119,390 3,514,965 334,346
Kazakh Қазақша kk 9.28 220,316 2,689,480 513,556
Kannada ಕನ್ನಡ kn 64.11 22,744 734,159 84,541
Korean 한국어 ko 114.69 404,831 22,101,031 1,554,728
Kurdish Kurdî ku 29.71 23,119 724,526 59,114
Kirghiz Кыргызча ky 0.2 80,004 315,737 100,271
Latin Latina la 12.16 127,575 3,412,448 247,346
Luxembourgish Lëtzebuergesch lb 27.61 50,765 2,144,327 111,619
Limburgish Limburgs li 114.49 12,078 438,339 59,820
Lombard Lumbaart lmo 30.6 36,542 1,112,613 95,876
Lithuanian Lietuvių lt 22.87 185,097 5,467,985 434,705
Latvian Latviešu lv 82.07 80,766 2,849,705 329,595
Maithili मैथिली mai 8.05 12,119 136,405 27,579
Banyumasan Basa Banyumasan map-bms 8.9 13,293 211,003 27,651
Malagasy Malagasy mg 9.87 84,699 854,947 219,527
Minangkabau Bahaso Minangkabau min 0.888 222,106 1,542,355 317,001
Macedonian Македонски mk 134.33 91,851 4,438,802 418,872
Malayalam മലയാളം ml 233.86 53,190 2,664,651 346,520
Mongolian Монгол mn 51.17 17,707 547,738 59,427
Marathi मराठी mr 74.58 49,894 1,579,023 205,241
Hill Mari Кырык Мары (Kyryk Mary) mrj 1.38 10,265 93,314 15,111
Malay Bahasa Melayu ms 15.95 309,128 4,602,789 834,973
Burmese language မ္ရန္‌မာစာ my 5.55 37,874 390,432 77,692
Mazandarani مَزِروني mzn 7.03 12,586 141,930 27,189
Neapolitan Nnapulitano nap 17.77 14,493 700,913 26,336
Low Saxon Plattdüütsch nds 33.12 27,273 831,436 74,145
Nepali नेपाली ne 24.11 30,294 627,652 85,048
Newari नेवारी new 12.7 72,143 843,159 196,159
Dutch Nederlands nl 13.81 1,918,104 51,683,302 3,868,434
Norwegian (Nynorsk) Nynorsk nn 17.37 136,021 2,997,207 321,784
Norwegian (Bokmål) Norsk (Bokmål) no 38.09 480,131 18,037,590 1,264,737
Occitan Occitan oc 7.01 83,988 2,222,003 139,761
Oriya ଓଡ଼ିଆ or 57.31 13,348 299,879 57,658
Ossetian Иронау os 98.08 10,532 489,068 40,575
Punjabi ਪੰਜਾਬੀ pa 25.68 27,482 408,893 94,403
Polish Polski pl 26.69 1,256,151 51,220,737 2,763,387
Piedmontese Piemontèis pms 2.47 64,282 868,613 98,252
Western Panjabi شاہ مکھی پنجابی pnb 1.31 45,495 521,712 63,662
Portuguese Português pt 147.69 985,407 51,803,715 4,524,486
Quechua Runa Simi qu 31.82 20,353 665,997 52,626
Romanian Română ro 97.44 382,297 11,937,173 1,879,790
Russian Русский ru 148.2 1,440,605 102,083,488 5,518,081
Sanskrit संस्कृतम् sa 105.04 11,202 427,388 50,773
Sakha Саха тыла sah 52.59 11,460 358,825 38,782
Sicilian Sicilianu scn 18.1 25,789 763,741 55,317
Scots Scots sco 25.2 47,883 640,159 172,757
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 784.69 441,502 40,825,293 4,587,088
Sinhalese සිංහල si 83.57 14,305 422,616 65,974
Simple English Simple English simple 76.87 130,080 5,896,569 442,506
Slovak Slovenčina sk 18.58 224,164 6,619,064 486,026
Slovenian Slovenščina sl 24.98 159,493 5,084,320 376,381
Albanian Shqip sq 30.32 70,869 1,951,899 193,831
Serbian Српски sr 126.21 374,111 16,008,911 1,772,709
Sundanese Basa Sunda su 4.17 39,383 554,781 67,418
Swedish Svenska sv 5.7 3,789,399 42,158,596 7,638,842
Swahili Kiswahili sw 20.88 38,962 1,062,538 91,082
Tamil தமிழ் ta 26.8 114,279 2,543,010 326,144
Telugu తెలుగు te 52.29 68,219 2,254,624 223,551
Tajik Тоҷикӣ tg 3.63 92,706 1,008,888 163,898
Thai ไทย th 246.93 120,856 7,709,682 688,304
Tagalog Tagalog tl 21.47 86,080 1,695,309 234,370
Turkish Türkçe tr 221.09 302,390 20,383,557 1,537,068
Tatar Татарча tt 25.29 74,429 2,262,725 179,988
Ukrainian Українська uk 38.86 754,535 21,804,501 2,273,200
Urdu اردو ur 168.41 125,983 5,718,286 696,636
Uzbek O‘zbek uz 62.07 129,087 2,674,658 617,939
Venetian Vèneto vec 76.09 11,038 604,243 33,815
Vietnamese Tiếng Việt vi 237.42 1,165,403 36,105,085 11,140,065
Volapük Volapük vo 15.12 120,641 3,313,515 249,312
Walloon Walon wa 23.26 14,473 339,009 37,776
Waray-Waray Winaray war 3.57 1,262,756 6,302,687 2,874,799
Yiddish ייִדיש yi 43.03 14,224 544,654 39,281
Yoruba Yorùbá yo 5.43 31,622 564,500 54,535
Chinese 中文 zh 174.85 982,106 48,630,501 5,248,418
Min Nan Bân-lâm-gú zh-min-nan 12.25 225,780 1,897,460 708,745
Cantonese 粵語 zh-yue 18.26 63,157 1,188,663 163,154
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 1010 97 222 27 80 131 14 148 204 148 6 175 38 45 31 39 221 97 15 42 59 17 19 66 125 254 216 115 23 126
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.