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 942 = 21.09 × 44.64 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 1084 = 156.45 × 6.93.

The smallest depth has Chechen Wikipedia which has the depth 0.108 = 8.19 × 0.013.

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.


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133
Language Language (local) Wiki Depth Articles Edits Total Pages
Afrikaans Afrikaans af 31.2 41,552 1,542,461 100,913
Alemannic Alemannisch als 22.89 21,844 720,740 49,132
Amharic አማርኛ am 40.61 13,191 346,408 42,708
Aragonese Aragonés an 79.59 31,595 1,629,116 102,193
Arabic العربية ar 222.14 443,425 23,967,243 2,634,625
Egyptian Arabic مصرى arz 327.13 15,483 785,659 128,922
Asturian Asturianu ast 4.2 47,164 1,019,616 73,041
Azerbaijani Azərbaycanca az 35.3 108,990 3,888,916 283,977
Bashkir Башҡорт ba 19.7 36,298 633,359 100,461
Bavarian Boarisch bar 64.63 21,595 620,622 86,357
Samogitian Žemaitėška bat-smg 5.79 15,886 354,882 26,285
Belarusian Беларуская be 20.28 121,180 2,474,043 316,324
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 31.99 59,584 1,940,878 154,745
Bulgarian Български bg 24.23 221,039 7,847,403 494,076
Bengali বাংলা bn 470.74 44,412 2,426,695 467,222
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.47 25,066 805,799 57,509
Breton Brezhoneg br 14.83 59,836 1,797,841 119,154
Bosnian Bosanski bs 132.4 70,082 2,972,721 344,668
Buginese Basa Ugi bug 0.95 14,112 198,300 18,298
Catalan Català ca 31.1 519,977 17,894,017 1,302,284
Chechen Нохчийн ce 0.11 150,926 1,378,375 168,260
Cebuano Sinugboanong Binisaya ceb 1.37 3,008,766 10,675,685 5,552,025
Sorani کوردی ckb 118.1 17,798 525,093 103,792
Czech Čeština cs 39.67 364,204 14,121,699 963,290
Chuvash Чăваш cv 4 35,465 591,361 57,602
Welsh Cymraeg cy 60.85 71,484 5,365,409 171,049
Danish Dansk da 66.51 219,426 8,705,736 741,781
German Deutsch de 101.25 1,981,457 163,176,006 5,711,574
Greek Ελληνικά el 71.64 122,213 6,155,192 378,845
English English en 941.59 5,249,342 850,470,071 40,323,248
Esperanto Esperanto eo 16.78 233,188 6,096,514 509,256
Spanish Español es 188.61 1,286,306 93,590,989 5,612,236
Estonian Eesti et 28.98 149,815 4,611,570 381,889
Basque Euskara eu 19.47 257,527 5,689,307 638,090
Persian فارسی fa 215.04 506,223 22,919,287 3,340,071
Finnish Suomi fi 44.94 401,901 16,805,888 1,087,100
Faroese Føroyskt fo 36.45 12,281 339,810 36,624
French Français fr 209.96 1,796,744 132,452,776 8,322,956
West Frisian Frysk fy 22.11 35,102 835,640 88,960
Irish Gaeilge ga 5.28 38,522 834,123 62,809
Scottish Gaelic Gàidhlig gd 21.5 14,123 535,878 29,481
Galician Galego gl 23.25 133,093 4,142,093 308,128
Gujarati ગુજરાતી gu 14.55 26,544 431,841 66,173
Hebrew עברית he 253.66 195,697 20,252,795 824,621
Hindi हिन्दी hi 111.43 109,129 3,275,677 603,657
Croatian Hrvatski hr 30.9 168,868 4,941,079 453,105
Upper Sorbian Hornjoserbsce hsb 31.03 10,740 350,063 27,511
Haitian Krèyol ayisyen ht 0.52 50,954 694,096 61,976
Hungarian Magyar hu 57.63 396,209 18,621,246 1,140,597
Armenian Հայերեն hy 34.18 208,255 4,604,922 674,130
Interlingua Interlingua ia 6.38 19,758 557,741 31,645
Indonesian Bahasa Indonesia id 105.09 386,046 12,869,679 1,911,050
Ido Ido io 5.86 26,770 898,575 40,537
Icelandic Íslenska is 42.19 41,184 1,595,461 112,084
Italian Italiano it 120.66 1,304,087 88,751,213 4,546,114
Japanese 日本語 ja 75.74 1,031,789 62,292,131 3,003,634
Javanese Basa Jawa jv 22.14 49,621 1,115,540 129,030
Georgian ქართული ka 34.75 107,219 3,251,822 298,796
Kazakh Қазақша kk 8.77 216,691 2,576,368 499,234
Kannada ಕನ್ನಡ kn 55.66 20,876 647,255 73,280
Korean 한국어 ko 107.41 360,238 19,149,197 1,352,426
Kurdish Kurdî ku 29.57 22,254 702,211 56,613
Kirghiz Кыргызча ky 0.29 57,213 246,945 74,103
Latin Latina la 11.45 125,666 3,269,338 241,137
Luxembourgish Lëtzebuergesch lb 29.57 46,691 2,029,490 104,234
Limburgish Limburgs li 108.57 11,490 425,254 54,252
Lombard Lumbaart lmo 31.94 34,338 1,087,613 90,242
Lithuanian Lietuvių lt 21.46 179,572 5,262,188 412,472
Latvian Latviešu lv 84.41 72,574 2,665,192 294,051
Banyumasan Basa Banyumasan map-bms 8.6 13,244 209,370 27,253
Malagasy Malagasy mg 10.13 82,716 831,641 217,295
Minangkabau Bahaso Minangkabau min 0.846 221,910 1,474,296 316,488
Macedonian Македонски mk 139.73 86,854 4,310,524 399,355
Malayalam മലയാളം ml 267.87 44,873 2,435,033 304,642
Mongolian Монгол mn 46.85 15,860 501,005 50,234
Marathi मराठी mr 75.52 44,611 1,456,566 181,443
Hill Mari Кырык Мары (Kyryk Mary) mrj 1.12 10,127 91,632 14,380
Malay Bahasa Melayu ms 15.96 285,168 4,217,839 772,760
Burmese language မ္ရန္‌မာစာ my 4.08 33,230 337,811 61,967
Mazandarani مَزِروني mzn 6.57 12,360 138,006 26,149
Nahuatl Nāhuatl nah 27.25 11,209 431,667 25,404
Neapolitan Nnapulitano nap 17.97 14,361 698,544 26,137
Low Saxon Plattdüütsch nds 31.82 25,594 807,111 67,273
Nepali नेपाली ne 22.61 28,150 566,898 77,713
Newari नेवारी new 12.47 72,370 841,590 195,556
Dutch Nederlands nl 11.82 1,875,702 48,585,492 3,641,404
Norwegian (Nynorsk) Nynorsk nn 16.11 130,793 2,900,139 299,522
Norwegian (Bokmål) Norsk (Bokmål) no 36.67 448,476 16,628,463 1,168,350
Occitan Occitan oc 5.52 90,221 2,171,077 144,975
Oriya ଓଡ଼ିଆ or 67.48 10,965 255,875 51,293
Ossetian Иронау os 97.22 10,269 484,482 38,994
Punjabi ਪੰਜਾਬੀ pa 24.89 23,415 348,177 79,088
Polish Polski pl 23.19 1,185,859 46,813,111 2,507,669
Piedmontese Piemontèis pms 2.31 63,966 860,671 96,551
Western Panjabi شاہ مکھی پنجابی pnb 0.74 42,071 466,730 54,470
Portuguese Português pt 137.01 938,293 47,805,544 4,189,738
Quechua Runa Simi qu 33.34 19,667 661,297 51,292
Romanian Română ro 83.1 371,985 11,096,015 1,698,817
Russian Русский ru 137.45 1,344,263 93,336,363 4,987,277
Sanskrit संस्कृतम् sa 106.45 10,183 401,975 45,548
Sakha Саха тыла sah 51.9 10,912 348,923 36,249
Sicilian Sicilianu scn 20.75 25,349 753,449 57,149
Scots Scots sco 25.89 41,382 570,440 148,989
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 794.21 435,176 40,408,099 4,550,924
Sinhalese සිංහල si 89.72 12,548 389,986 58,635
Simple English Simple English simple 173.45 120,895 12,873,138 402,390
Slovak Slovenčina sk 18.52 214,447 6,391,325 462,755
Slovenian Slovenščina sl 24.52 153,205 4,854,962 359,722
Albanian Shqip sq 32.17 60,269 1,812,149 162,704
Serbian Српски sr 66.19 338,942 12,403,269 1,194,826
Sundanese Basa Sunda su 20.59 19,151 493,633 45,546
Swedish Svenska sv 5.49 3,528,527 37,279,004 7,150,825
Swahili Kiswahili sw 23.62 34,372 1,024,637 81,479
Tamil தமிழ் ta 31.9 88,768 2,201,161 261,617
Telugu తెలుగు te 44.39 65,523 1,961,056 207,538
Tajik Тоҷикӣ tg 6.17 66,728 827,486 133,254
Thai ไทย th 226.89 111,964 6,992,569 610,138
Tagalog Tagalog tl 37.61 65,395 1,607,718 210,518
Turkish Türkçe tr 218.44 282,356 18,598,318 1,445,947
Tatar Татарча tt 25.28 69,507 2,172,185 166,169
Ukrainian Українська uk 38.7 653,411 19,051,378 1,955,885
Urdu اردو ur 168.23 107,990 5,220,635 571,372
Uzbek O‘zbek uz 61.4 128,688 2,646,869 614,594
Venetian Vèneto vec 77.48 10,817 599,110 33,247
Vietnamese Tiếng Việt vi 26.89 1,148,938 25,339,233 3,298,575
Volapük Volapük vo 15.24 120,393 3,310,640 249,368
Walloon Walon wa 22.48 14,230 329,640 36,762
Waray-Waray Winaray war 3.57 1,261,734 6,289,471 2,872,403
Yiddish ייִדיש yi 45.93 13,469 528,912 37,905
Yoruba Yorùbá yo 5.3 31,461 554,436 54,095
Chinese 中文 zh 165.89 902,186 42,866,183 4,784,111
Min Nan Bân-lâm-gú zh-min-nan 10.53 200,569 1,519,748 614,247
Cantonese 粵語 zh-yue 25.54 47,150 1,074,500 130,036


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 942 101 210 23 76 121 12 137 189 137 5 166 37 45 31 39 218 83 15 40 58 17 19 67 105 254 222 107 21 66
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.