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 1009 = 21.14 × 47.76 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 0.242 = 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 28.96 47,976 1,684,151 115,628
Alemannic Alemannisch als 27.13 23,632 816,197 55,821
Amharic አማርኛ am 38.31 13,954 356,842 44,432
Aragonese Aragonés an 77.01 32,536 1,644,481 104,515
Arabic العربية ar 215.95 549,763 28,941,348 3,262,090
Egyptian Arabic مصرى arz 306.17 17,651 837,630 147,063
Asturian Asturianu ast 4.86 54,621 1,198,818 87,093
Azerbaijani Azərbaycanca az 32.7 129,857 4,383,765 334,982
South Azerbaijani تۆرکجه azb 1.1 55,119 268,869 88,560
Bashkir Башҡорт ba 23.71 40,850 775,950 118,618
Bavarian Boarisch bar 63.32 23,681 666,013 94,764
Samogitian Žemaitėška bat-smg 6.13 16,223 358,642 27,304
Belarusian Беларуская be 33.19 148,003 3,090,107 486,261
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 33.35 61,753 2,019,113 163,115
Bulgarian Български bg 24.54 237,552 8,662,685 528,137
Bengali বাংলা bn 433.45 54,539 2,917,858 545,492
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 24.01 25,081 811,787 57,905
Breton Brezhoneg br 14.02 63,499 1,854,609 125,296
Bosnian Bosanski bs 116.95 76,674 3,100,773 358,695
Buginese Basa Ugi bug 1.09 14,120 200,107 18,619
Catalan Català ca 30.54 567,355 19,702,775 1,404,556
Chechen Нохчийн ce 0.24 164,613 2,337,681 187,575
Cebuano Sinugboanong Binisaya ceb 0.89 5,382,963 17,940,064 8,963,642
Sorani کوردی ckb 110.66 20,224 587,749 113,865
Czech Čeština cs 41.55 395,715 15,625,150 1,060,174
Chuvash Чăваш cv 4.56 40,779 634,990 69,606
Welsh Cymraeg cy 54.63 93,116 7,705,588 205,513
Danish Dansk da 66.37 233,854 9,311,146 788,108
German Deutsch de 96.97 2,132,608 176,471,284 6,007,376
Greek Ελληνικά el 67.58 140,850 6,899,462 429,885
English English en 1009.49 5,532,777 925,095,974 43,770,326
Esperanto Esperanto eo 16.93 243,453 6,308,049 535,287
Spanish Español es 203.92 1,374,138 103,952,301 6,145,153
Estonian Eesti et 27.57 166,828 4,977,515 421,852
Basque Euskara eu 18.62 286,905 6,190,446 704,493
Persian فارسی fa 213.72 586,187 26,593,503 3,844,487
Finnish Suomi fi 44.71 427,080 17,798,786 1,154,292
Faroese Føroyskt fo 36.15 12,649 345,776 37,793
French Français fr 221.67 1,938,117 146,088,882 9,166,088
West Frisian Frysk fy 29.96 39,417 933,375 115,225
Irish Gaeilge ga 5.31 45,182 896,148 75,386
Scottish Gaelic Gàidhlig gd 22.12 14,634 552,813 30,907
Galician Galego gl 27.96 143,521 4,691,063 351,145
Gujarati ગુજરાતી gu 21.12 27,488 530,453 74,978
Hebrew עברית he 253.74 217,004 23,044,974 900,204
Hindi हिन्दी hi 123.67 122,602 3,761,324 718,484
Croatian Hrvatski hr 29.03 180,276 5,155,118 475,187
Upper Sorbian Hornjoserbsce hsb 27.9 12,410 368,357 31,614
Haitian Krèyol ayisyen ht 0.56 51,588 702,914 63,104
Hungarian Magyar hu 59.38 422,155 20,070,331 1,226,291
Armenian Հայերեն hy 38.58 236,418 5,582,540 788,143
Interlingua Interlingua ia 6.37 20,579 590,866 32,823
Indonesian Bahasa Indonesia id 124.86 417,237 14,455,053 2,261,272
Ido Ido io 5.68 27,387 921,984 41,187
Ilokano Ilokano ilo 76.54 10,888 328,641 46,855
Icelandic Íslenska is 38.46 43,940 1,631,359 116,878
Italian Italiano it 130.79 1,404,751 98,549,004 5,036,570
Japanese 日本語 ja 79.99 1,087,847 67,647,000 3,205,993
Javanese Basa Jawa jv 28.98 50,851 1,390,652 136,674
Georgian ქართული ka 34.04 119,375 3,513,515 334,188
Kazakh Қазақша kk 9.28 220,291 2,689,363 513,506
Kannada ಕನ್ನಡ kn 64.12 22,736 734,055 84,508
Korean 한국어 ko 114.66 404,766 22,095,644 1,554,342
Kurdish Kurdî ku 29.71 23,119 724,525 59,114
Kirghiz Кыргызча ky 0.2 80,004 315,605 100,258
Latin Latina la 12.15 127,585 3,412,210 247,338
Luxembourgish Lëtzebuergesch lb 27.59 50,765 2,143,740 111,610
Limburgish Limburgs li 114.49 12,078 438,329 59,820
Lombard Lumbaart lmo 30.6 36,539 1,112,588 95,869
Lithuanian Lietuvių lt 22.87 185,082 5,466,689 434,633
Latvian Latviešu lv 82.13 80,729 2,849,205 329,543
Maithili मैथिली mai 8.05 12,118 136,399 27,577
Banyumasan Basa Banyumasan map-bms 8.9 13,293 211,001 27,649
Malagasy Malagasy mg 9.87 84,698 854,942 219,525
Minangkabau Bahaso Minangkabau min 0.888 222,106 1,542,350 316,999
Macedonian Македонски mk 134.38 91,826 4,438,465 418,802
Malayalam മലയാളം ml 233.9 53,178 2,664,424 346,449
Mongolian Монгол mn 51.15 17,709 547,644 59,435
Marathi मराठी mr 74.58 49,890 1,578,879 205,215
Hill Mari Кырык Мары (Kyryk Mary) mrj 1.38 10,265 93,313 15,110
Malay Bahasa Melayu ms 15.95 309,100 4,601,766 834,852
Burmese language မ္ရန္‌မာစာ my 5.55 37,852 390,288 77,610
Mazandarani مَزِروني mzn 7.02 12,586 141,920 27,182
Neapolitan Nnapulitano nap 17.77 14,493 700,904 26,336
Low Saxon Plattdüütsch nds 33.12 27,271 831,392 74,133
Nepali नेपाली ne 24.09 30,293 627,566 85,012
Newari नेवारी new 12.7 72,143 843,158 196,159
Dutch Nederlands nl 13.81 1,918,021 51,677,528 3,868,097
Norwegian (Nynorsk) Nynorsk nn 17.37 136,010 2,997,071 321,760
Norwegian (Bokmål) Norsk (Bokmål) no 38.08 480,073 18,035,333 1,264,572
Occitan Occitan oc 7.01 83,974 2,221,881 139,744
Oriya ଓଡ଼ିଆ or 57.3 13,348 299,827 57,656
Ossetian Иронау os 98.06 10,532 489,062 40,570
Punjabi ਪੰਜਾਬੀ pa 25.68 27,478 408,833 94,374
Polish Polski pl 26.69 1,255,942 51,212,986 2,763,219
Piedmontese Piemontèis pms 2.47 64,279 868,600 98,247
Western Panjabi شاہ مکھی پنجابی pnb 1.31 45,483 521,646 63,634
Portuguese Português pt 147.66 985,320 51,793,231 4,523,962
Quechua Runa Simi qu 31.82 20,353 665,993 52,624
Romanian Română ro 97.09 382,288 11,928,695 1,876,159
Russian Русский ru 148.22 1,440,323 102,062,925 5,517,286
Sanskrit संस्कृतम् sa 105.02 11,202 427,382 50,768
Sakha Саха тыла sah 52.57 11,459 358,794 38,772
Sicilian Sicilianu scn 18.1 25,787 763,687 55,314
Scots Scots sco 25.24 47,798 639,675 172,500
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 784.73 441,489 40,825,082 4,587,058
Sinhalese සිංහල si 83.55 14,305 422,572 65,967
Simple English Simple English simple 76.87 130,063 5,895,757 442,458
Slovak Slovenčina sk 18.57 224,186 6,618,367 486,000
Slovenian Slovenščina sl 24.98 159,491 5,084,051 376,356
Albanian Shqip sq 30.29 70,867 1,951,592 193,762
Serbian Српски sr 136.86 360,476 15,993,540 1,759,003
Sundanese Basa Sunda su 4.17 39,381 554,757 67,416
Swedish Svenska sv 5.69 3,789,933 42,154,209 7,638,747
Swahili Kiswahili sw 20.88 38,962 1,062,531 91,082
Tamil தமிழ் ta 26.79 114,269 2,542,588 326,091
Telugu తెలుగు te 52.3 68,199 2,254,224 223,508
Tajik Тоҷикӣ tg 3.63 92,700 1,008,799 163,872
Thai ไทย th 246.79 120,879 7,708,118 688,353
Tagalog Tagalog tl 21.47 86,077 1,695,245 234,363
Turkish Türkçe tr 221.1 302,336 20,380,448 1,536,849
Tatar Татарча tt 25.27 74,429 2,262,542 179,946
Ukrainian Українська uk 38.87 754,199 21,798,377 2,272,489
Urdu اردو ur 168.41 125,978 5,718,032 696,588
Uzbek O‘zbek uz 62.08 129,079 2,674,590 617,926
Venetian Vèneto vec 76.13 11,037 604,202 33,820
Vietnamese Tiếng Việt vi 237.01 1,165,365 36,090,462 11,127,299
Volapük Volapük vo 15.12 120,637 3,313,505 249,307
Walloon Walon wa 23.27 14,472 339,007 37,775
Waray-Waray Winaray war 3.57 1,262,806 6,302,590 2,874,797
Yiddish ייִדיש yi 43.03 14,222 544,587 39,274
Yoruba Yorùbá yo 5.43 31,621 564,497 54,533
Chinese 中文 zh 174.83 981,955 48,616,640 5,247,654
Min Nan Bân-lâm-gú zh-min-nan 12.25 225,778 1,897,440 708,743
Cantonese 粵語 zh-yue 18.27 63,135 1,188,463 163,122
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 1009 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 23 137
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.