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 968 = 21.1 × 45.87 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 1078 = 156.03 × 6.91.

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 29.74 43,947 1,586,212 105,855
Alemannic Alemannisch als 22.71 22,596 760,615 50,280
Amharic አማርኛ am 40.09 13,359 348,829 43,088
Aragonese Aragonés an 78.87 31,890 1,633,895 102,996
Arabic العربية ar 215.66 468,423 25,412,659 2,718,199
Egyptian Arabic مصرى arz 311.24 16,365 802,080 134,664
Asturian Asturianu ast 4.22 48,475 1,036,070 75,309
Azerbaijani Azərbaycanca az 34.9 114,840 4,057,519 298,901
South Azerbaijani تۆرکجه azb 2.3 14,714 126,953 24,538
Bashkir Башҡорт ba 21.19 37,459 664,643 106,483
Bavarian Boarisch bar 63.66 22,111 631,514 87,943
Samogitian Žemaitėška bat-smg 5.99 16,019 356,774 26,755
Belarusian Беларуская be 31.51 126,938 2,629,664 407,390
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 31.87 60,257 1,960,204 156,328
Bulgarian Български bg 24.1 227,606 8,166,305 505,606
Bengali বাংলা bn 453.39 48,321 2,600,114 499,110
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.49 25,069 806,101 57,522
Breton Brezhoneg br 14.41 61,351 1,818,272 121,573
Bosnian Bosanski bs 123.08 73,455 3,027,162 350,922
Buginese Basa Ugi bug 0.96 14,118 198,472 18,318
Catalan Català ca 31.22 535,302 18,546,298 1,339,039
Chechen Нохчийн ce 0.18 160,131 1,708,783 182,219
Cebuano Sinugboanong Binisaya ceb 1.17 4,059,217 13,167,684 7,342,039
Sorani کوردی ckb 113.71 18,614 540,665 106,856
Czech Čeština cs 40.37 375,119 14,712,276 994,975
Chuvash Чăваш cv 3.66 38,147 604,652 61,411
Welsh Cymraeg cy 42.34 90,338 5,811,165 199,156
Danish Dansk da 66.76 224,035 8,916,004 757,666
German Deutsch de 98.93 2,036,669 167,844,013 5,803,637
Greek Ελληνικά el 70.31 128,053 6,396,037 394,818
English English en 968.08 5,345,248 876,834,821 41,547,774
Esperanto Esperanto eo 16.79 237,517 6,181,010 519,681
Spanish Español es 191.71 1,318,686 96,873,360 5,777,660
Estonian Eesti et 28.55 154,569 4,714,697 393,051
Basque Euskara eu 18.44 277,808 5,911,910 683,410
Persian فارسی fa 212.77 525,051 23,856,352 3,428,426
Finnish Suomi fi 45.03 409,419 17,141,567 1,107,885
Faroese Føroyskt fo 36.48 12,454 342,233 37,279
French Français fr 214.14 1,847,157 137,353,405 8,617,847
West Frisian Frysk fy 22.95 37,195 859,440 97,079
Irish Gaeilge ga 5.11 39,398 845,086 63,892
Scottish Gaelic Gàidhlig gd 21.11 14,368 542,232 29,858
Galician Galego gl 25.28 136,628 4,310,914 325,367
Gujarati ગુજરાતી gu 16.75 26,856 467,928 69,094
Hebrew עברית he 259.3 202,587 21,174,648 860,033
Hindi हिन्दी hi 110.1 117,300 3,508,954 645,005
Croatian Hrvatski hr 30.43 172,281 5,020,081 459,944
Upper Sorbian Hornjoserbsce hsb 31.24 11,072 355,896 28,620
Haitian Krèyol ayisyen ht 0.53 51,151 697,255 62,271
Hungarian Magyar hu 57.84 404,486 19,130,926 1,162,925
Armenian Հայերեն hy 35.72 216,548 5,046,266 697,872
Interlingua Interlingua ia 6.49 19,686 564,512 31,539
Indonesian Bahasa Indonesia id 122.7 394,191 13,576,015 2,119,427
Ido Ido io 5.89 26,920 907,146 40,771
Ilokano Ilokano ilo 74.16 10,461 307,942 44,837
Icelandic Íslenska is 41.16 41,955 1,608,910 113,419
Italian Italiano it 122.88 1,337,975 91,461,698 4,700,177
Japanese 日本語 ja 76.98 1,051,015 64,156,646 3,067,321
Javanese Basa Jawa jv 22.91 49,702 1,139,393 130,082
Georgian ქართული ka 33.25 113,126 3,327,221 313,279
Kazakh Қазақша kk 8.87 218,104 2,635,781 501,434
Kannada ಕನ್ನಡ kn 56.73 21,687 683,427 76,250
Korean 한국어 ko 114.37 373,774 20,219,331 1,440,830
Kurdish Kurdî ku 29.61 22,708 714,227 57,884
Kirghiz Кыргызча ky 0.26 62,709 260,848 80,536
Latin Latina la 11.84 126,260 3,339,146 243,628
Luxembourgish Lëtzebuergesch lb 28.54 48,161 2,063,038 106,662
Limburgish Limburgs li 107.44 11,629 428,218 54,715
Lombard Lumbaart lmo 32.23 34,793 1,095,246 92,064
Lithuanian Lietuvių lt 21.97 181,106 5,321,853 419,386
Latvian Latviešu lv 82.28 75,934 2,740,232 306,159
Maithili मैथिली mai 7.23 10,442 112,086 23,224
Banyumasan Basa Banyumasan map-bms 8.56 13,284 210,158 27,289
Malagasy Malagasy mg 9.99 83,435 836,390 218,093
Minangkabau Bahaso Minangkabau min 0.884 221,973 1,539,321 316,603
Macedonian Македонски mk 138.56 88,557 4,360,172 407,076
Malayalam മലയാളം ml 251.92 47,940 2,518,310 318,576
Mongolian Монгол mn 45.3 16,814 519,493 52,941
Marathi मराठी mr 75.6 46,071 1,489,340 188,626
Hill Mari Кырык Мары (Kyryk Mary) mrj 1.13 10,166 91,828 14,448
Malay Bahasa Melayu ms 16.13 287,194 4,286,302 778,975
Burmese language မ္ရန္‌မာစာ my 4.39 34,924 356,838 66,501
Mazandarani مَزِروني mzn 6.59 12,372 138,423 26,192
Neapolitan Nnapulitano nap 18.04 14,434 699,645 26,328
Low Saxon Plattdüütsch nds 32.9 25,828 813,117 68,973
Nepali नेपाली ne 21.93 29,993 601,599 81,780
Newari नेवारी new 12.69 72,123 842,585 196,037
Dutch Nederlands nl 13.07 1,894,856 49,752,988 3,783,758
Norwegian (Nynorsk) Nynorsk nn 17.21 132,487 2,938,517 311,445
Norwegian (Bokmål) Norsk (Bokmål) no 36.3 462,466 17,127,420 1,199,922
Occitan Occitan oc 7.09 82,708 2,201,497 137,785
Oriya ଓଡ଼ିଆ or 57.11 12,254 265,681 54,006
Ossetian Иронау os 97.06 10,390 486,386 39,595
Punjabi ਪੰਜਾਬੀ pa 25.04 24,789 370,600 83,760
Polish Polski pl 24.49 1,209,571 48,574,188 2,592,326
Piedmontese Piemontèis pms 2.39 64,047 863,825 97,260
Western Panjabi شاہ مکھی پنجابی pnb 0.98 43,662 505,666 58,339
Portuguese Português pt 139.09 958,031 49,119,763 4,301,616
Quechua Runa Simi qu 32.32 20,040 662,999 51,920
Romanian Română ro 85.05 374,788 11,369,016 1,718,688
Russian Русский ru 140.54 1,376,480 96,264,292 5,151,199
Sanskrit संस्कृतम् sa 102.26 10,746 417,074 47,368
Sakha Саха тыла sah 51.78 11,128 352,114 37,133
Sicilian Sicilianu scn 20.71 25,378 754,240 57,173
Scots Scots sco 26.54 42,416 588,619 154,283
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 792.46 437,630 40,743,454 4,558,319
Sinhalese සිංහල si 86.29 13,238 400,635 61,363
Simple English Simple English simple 75.75 123,343 5,597,155 416,015
Slovak Slovenčina sk 18.91 216,527 6,477,195 470,203
Slovenian Slovenščina sl 24.97 154,850 4,963,835 364,528
Albanian Shqip sq 31.74 64,587 1,868,364 176,398
Serbian Српски sr 71.37 345,564 12,770,511 1,263,976
Sundanese Basa Sunda su 20.9 19,258 507,278 45,675
Swedish Svenska sv 5.17 3,783,308 39,189,250 7,560,630
Swahili Kiswahili sw 23.44 35,349 1,034,086 84,172
Tamil தமிழ் ta 32.79 91,464 2,274,757 272,870
Telugu తెలుగు te 46.66 66,553 2,055,154 212,868
Tajik Тоҷикӣ tg 6.65 67,716 861,819 137,488
Thai ไทย th 232.84 114,892 7,213,859 635,057
Tagalog Tagalog tl 37.05 66,234 1,623,348 211,887
Turkish Türkçe tr 213.99 292,122 19,207,390 1,477,198
Tatar Татарча tt 25.85 70,276 2,189,418 169,783
Ukrainian Українська uk 39.3 683,090 20,011,988 2,055,564
Urdu اردو ur 172.39 115,200 5,408,764 632,406
Uzbek O‘zbek uz 61.52 128,882 2,654,669 615,701
Venetian Vèneto vec 76.97 10,876 600,347 33,374
Vietnamese Tiếng Việt vi 30.22 1,154,020 26,352,142 3,449,123
Volapük Volapük vo 15.21 120,479 3,311,286 249,466
Walloon Walon wa 22.25 14,409 331,839 37,154
Waray-Waray Winaray war 3.57 1,262,277 6,293,600 2,872,959
Yiddish ייִדיש yi 44.2 13,745 534,694 38,156
Yoruba Yorùbá yo 5.35 31,529 562,069 54,168
Chinese 中文 zh 166.49 928,462 44,620,745 4,897,312
Min Nan Bân-lâm-gú zh-min-nan 10.66 203,169 1,574,007 619,130
Cantonese 粵語 zh-yue 24.46 51,303 1,108,423 142,178
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 968 99 214 24 77 123 13 139 192 141 5 166 36 45 31 39 214 85 15 40 58 17 19 67 123 259 216 114 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.