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 951 = 21.08 × 45.11 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 1083 = 156.21 × 6.93.

The smallest depth has Chechen Wikipedia which has the depth 0.155 = 7.99 × 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.


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Language Language (local) Wiki Depth Articles Edits Total Pages
Afrikaans Afrikaans af 30.58 42,777 1,565,687 103,637
Alemannic Alemannisch als 22.72 22,183 734,219 49,692
Amharic አማርኛ am 40.33 13,284 347,656 42,930
Aragonese Aragonés an 78.59 31,816 1,630,981 102,535
Arabic العربية ar 215.95 452,065 24,567,771 2,622,579
Egyptian Arabic مصرى arz 312.05 16,027 793,272 131,139
Asturian Asturianu ast 4.29 47,566 1,025,570 74,054
Azerbaijani Azərbaycanca az 35.2 111,096 3,937,309 290,101
Bashkir Башҡорт ba 20.49 36,557 645,404 102,508
Bavarian Boarisch bar 63.36 21,920 623,964 87,112
Samogitian Žemaitėška bat-smg 5.83 15,931 355,490 26,417
Belarusian Беларуская be 20.19 123,136 2,501,157 321,525
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 31.95 59,839 1,949,079 155,320
Bulgarian Български bg 24.59 222,952 7,954,405 500,208
Bengali বাংলা bn 466.68 45,653 2,499,768 476,026
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.48 25,067 805,973 57,513
Breton Brezhoneg br 14.63 60,522 1,806,868 120,243
Bosnian Bosanski bs 127.2 71,660 3,000,681 346,165
Buginese Basa Ugi bug 0.96 14,116 198,384 18,312
Catalan Català ca 31.03 526,898 18,180,738 1,316,875
Chechen Нохчийн ce 0.16 157,568 1,434,056 179,520
Cebuano Sinugboanong Binisaya ceb 1.18 3,397,710 11,497,114 6,079,498
Sorani کوردی ckb 116.1 18,144 531,878 105,013
Czech Čeština cs 40.03 367,999 14,339,647 975,196
Chuvash Чăваш cv 3.92 36,148 595,908 58,596
Welsh Cymraeg cy 51.13 81,629 5,538,191 189,634
Danish Dansk da 66.35 221,432 8,782,402 747,701
German Deutsch de 100.57 2,004,002 165,085,164 5,757,018
Greek Ελληνικά el 71.51 123,938 6,249,860 383,597
English English en 950.83 5,295,909 861,360,360 40,865,257
Esperanto Esperanto eo 16.85 235,257 6,133,064 515,132
Spanish Español es 189.85 1,300,725 94,990,251 5,685,257
Estonian Eesti et 28.96 151,242 4,651,690 385,538
Basque Euskara eu 19.68 261,575 5,757,895 652,051
Persian فارسی fa 212.9 515,232 23,236,045 3,384,348
Finnish Suomi fi 45 404,553 16,926,547 1,094,685
Faroese Føroyskt fo 36.49 12,367 341,059 36,959
French Français fr 211.96 1,818,749 134,689,113 8,451,787
West Frisian Frysk fy 22.25 36,271 846,008 93,004
Irish Gaeilge ga 5.25 38,800 839,102 63,209
Scottish Gaelic Gàidhlig gd 21.24 14,196 537,611 29,531
Galician Galego gl 23.78 134,273 4,212,953 312,636
Gujarati ગુજરાતી gu 15.22 26,683 441,573 67,325
Hebrew עברית he 255.6 198,506 20,607,120 838,786
Hindi हिन्दी hi 106.61 113,694 3,322,913 621,292
Croatian Hrvatski hr 30.63 170,649 4,978,052 456,696
Upper Sorbian Hornjoserbsce hsb 31.43 10,862 352,300 28,042
Haitian Krèyol ayisyen ht 0.52 51,094 695,274 62,130
Hungarian Magyar hu 57.82 399,175 18,843,777 1,148,529
Armenian Հայերեն hy 34.31 212,134 4,746,627 683,767
Interlingua Interlingua ia 6.39 19,769 558,681 31,661
Indonesian Bahasa Indonesia id 106.5 389,516 13,058,312 1,938,103
Ido Ido io 5.92 26,841 900,634 40,722
Icelandic Íslenska is 41.83 41,429 1,601,394 112,421
Italian Italiano it 122.15 1,314,987 89,821,506 4,606,037
Japanese 日本語 ja 76.45 1,039,811 63,108,806 3,032,966
Javanese Basa Jawa jv 22.56 49,666 1,128,080 129,627
Georgian ქართული ka 33.36 110,772 3,283,973 306,123
Kazakh Қазақша kk 8.79 217,308 2,604,605 499,506
Kannada ಕನ್ನಡ kn 54.22 21,609 665,816 75,021
Korean 한국어 ko 108.85 366,181 19,574,937 1,380,859
Kurdish Kurdî ku 29.62 22,340 704,727 56,883
Kirghiz Кыргызча ky 0.29 58,435 252,648 75,521
Latin Latina la 11.55 125,819 3,283,269 241,898
Luxembourgish Lëtzebuergesch lb 29.32 47,167 2,040,942 105,136
Limburgish Limburgs li 108.4 11,541 426,490 54,490
Lombard Lumbaart lmo 32.02 34,521 1,090,076 90,948
Lithuanian Lietuvių lt 21.66 180,207 5,288,415 415,213
Latvian Latviešu lv 83.71 73,933 2,698,438 299,163
Banyumasan Basa Banyumasan map-bms 8.58 13,275 209,979 27,297
Malagasy Malagasy mg 10.11 82,811 832,062 217,417
Minangkabau Bahaso Minangkabau min 0.883 221,953 1,538,903 316,549
Macedonian Македонски mk 139.2 87,432 4,332,317 401,432
Malayalam മലയാളം ml 257 46,605 2,474,681 311,809
Mongolian Монгол mn 47.54 16,178 510,310 51,675
Marathi मराठी mr 75.84 45,007 1,466,929 183,711
Hill Mari Кырык Мары (Kyryk Mary) mrj 1.12 10,164 91,744 14,424
Malay Bahasa Melayu ms 15.99 286,033 4,244,654 774,612
Burmese language မ္ရန္‌မာစာ my 4.19 33,479 341,397 62,893
Mazandarani مَزِروني mzn 6.58 12,361 138,155 26,159
Nahuatl Nāhuatl nah 28.6 10,968 432,795 25,091
Neapolitan Nnapulitano nap 17.96 14,388 698,867 26,193
Low Saxon Plattdüütsch nds 32.26 25,695 809,604 67,984
Nepali नेपाली ne 22.21 29,082 584,287 79,706
Newari नेवारी new 12.65 72,172 842,354 195,987
Dutch Nederlands nl 12.93 1,883,753 49,153,925 3,756,718
Norwegian (Nynorsk) Nynorsk nn 16.28 131,548 2,913,845 302,558
Norwegian (Bokmål) Norsk (Bokmål) no 36.26 456,589 16,881,921 1,185,033
Occitan Occitan oc 6.43 85,478 2,185,604 140,411
Oriya ଓଡ଼ିଆ or 63.32 11,445 259,590 52,340
Ossetian Иронау os 97.53 10,291 484,925 39,178
Punjabi ਪੰਜਾਬੀ pa 25.29 23,892 357,250 81,159
Polish Polski pl 23.58 1,194,829 47,549,865 2,534,146
Piedmontese Piemontèis pms 2.34 63,984 861,814 96,807
Western Panjabi شاہ مکھی پنجابی pnb 0.87 42,476 471,715 56,175
Portuguese Português pt 137.68 947,407 48,342,177 4,239,343
Quechua Runa Simi qu 33.02 19,785 661,822 51,500
Romanian Română ro 84.41 373,069 11,252,838 1,708,735
Russian Русский ru 139.24 1,356,606 94,521,832 5,060,518
Sanskrit संस्कृतम् sa 109.99 10,195 403,994 46,449
Sakha Саха тыла sah 52.02 10,962 349,740 36,507
Sicilian Sicilianu scn 20.72 25,374 753,841 57,182
Scots Scots sco 25.96 41,704 573,837 150,537
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 796.54 436,259 40,715,251 4,554,146
Sinhalese සිංහල si 90.2 12,784 395,945 60,077
Simple English Simple English simple 175.03 121,637 12,927,596 407,264
Slovak Slovenčina sk 18.62 215,214 6,424,583 465,118
Slovenian Slovenščina sl 24.56 153,807 4,875,983 361,314
Albanian Shqip sq 31.25 62,091 1,829,853 166,938
Serbian Српски sr 66.81 341,798 12,567,450 1,207,918
Sundanese Basa Sunda su 20.62 19,161 495,545 45,540
Swedish Svenska sv 5.02 3,782,169 38,253,561 7,543,615
Swahili Kiswahili sw 23.84 34,618 1,027,513 82,523
Tamil தமிழ் ta 32.27 89,448 2,228,288 264,533
Telugu తెలుగు te 45.56 66,100 2,014,372 210,237
Tajik Тоҷикӣ tg 6.2 67,305 834,642 134,618
Thai ไทย th 230.18 112,971 7,083,527 620,074
Tagalog Tagalog tl 37.47 65,657 1,614,138 210,961
Turkish Türkçe tr 216.39 286,626 18,835,224 1,460,835
Tatar Татарча tt 25.43 69,919 2,180,257 167,709
Ukrainian Українська uk 39.1 664,356 19,433,942 1,995,611
Urdu اردو ur 171.89 110,368 5,325,263 593,390
Uzbek O‘zbek uz 61.46 128,741 2,650,129 614,889
Venetian Vèneto vec 77.19 10,854 599,685 33,338
Vietnamese Tiếng Việt vi 28.07 1,151,000 25,897,432 3,341,489
Volapük Volapük vo 15.23 120,409 3,310,773 249,384
Walloon Walon wa 22.38 14,294 330,216 36,895
Waray-Waray Winaray war 3.57 1,261,952 6,291,057 2,872,656
Yiddish ייִדיש yi 45.7 13,552 530,118 38,118
Yoruba Yorùbá yo 5.3 31,488 555,072 54,117
Chinese 中文 zh 165.88 913,203 43,555,879 4,829,652
Min Nan Bân-lâm-gú zh-min-nan 10.57 201,660 1,542,215 616,172
Cantonese 粵語 zh-yue 26.08 48,829 1,090,981 137,288


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 951 101 212 24 76 122 13 138 190 139 5 166 36 45 31 39 216 84 15 40 58 17 19 66 106 256 216 109 22 67
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.