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 = 21.09 × 45.1 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 0.154 = 7.97 × 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 42,821 1,566,772 103,757
Alemannic Alemannisch als 22.61 22,249 734,948 49,785
Amharic አማርኛ am 40.34 13,286 347,726 42,939
Aragonese Aragonés an 78.58 31,826 1,631,147 102,576
Arabic العربية ar 216.1 452,599 24,607,907 2,626,136
Egyptian Arabic مصرى arz 311.61 16,055 793,730 131,342
Asturian Asturianu ast 4.29 47,619 1,026,237 74,126
Azerbaijani Azərbaycanca az 35.3 111,232 3,949,148 290,464
Bashkir Башҡорт ba 20.54 36,567 646,112 102,604
Bavarian Boarisch bar 63.32 21,936 624,334 87,153
Samogitian Žemaitėška bat-smg 5.83 15,938 355,534 26,428
Belarusian Беларуская be 20.16 123,291 2,502,920 321,812
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 31.97 59,854 1,949,900 155,401
Bulgarian Български bg 24.57 223,242 7,960,368 500,774
Bengali বাংলা bn 466.3 45,755 2,504,387 476,917
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.48 25,067 805,977 57,514
Breton Brezhoneg br 14.62 60,560 1,807,278 120,299
Bosnian Bosanski bs 126.63 71,834 3,002,109 346,425
Buginese Basa Ugi bug 0.96 14,116 198,384 18,312
Catalan Català ca 31.02 527,682 18,200,320 1,318,824
Chechen Нохчийн ce 0.15 158,072 1,435,445 180,056
Cebuano Sinugboanong Binisaya ceb 1.15 3,445,470 11,555,115 6,137,399
Sorani کوردی ckb 115.88 18,175 532,367 105,110
Czech Čeština cs 40.03 368,338 14,356,695 975,999
Chuvash Чăваш cv 3.87 36,435 597,022 58,967
Welsh Cymraeg cy 49.34 82,921 5,547,531 191,002
Danish Dansk da 66.37 221,548 8,789,467 748,102
German Deutsch de 100.53 2,005,915 165,232,835 5,761,395
Greek Ελληνικά el 71.56 124,085 6,258,287 384,138
English English en 951.05 5,299,888 862,329,235 40,891,443
Esperanto Esperanto eo 16.86 235,386 6,135,757 515,562
Spanish Español es 190 1,301,648 95,102,921 5,690,394
Estonian Eesti et 28.99 151,356 4,655,758 386,029
Basque Euskara eu 19.7 261,660 5,763,374 652,466
Persian فارسی fa 212.89 515,780 23,261,023 3,387,771
Finnish Suomi fi 45 404,763 16,936,666 1,095,266
Faroese Føroyskt fo 36.49 12,368 341,108 36,961
French Français fr 212.05 1,820,428 134,834,203 8,461,022
West Frisian Frysk fy 22.25 36,341 846,578 93,228
Irish Gaeilge ga 5.26 38,805 839,311 63,221
Scottish Gaelic Gàidhlig gd 21.19 14,215 537,863 29,551
Galician Galego gl 23.78 134,441 4,217,261 313,091
Gujarati ગુજરાતી gu 15.42 26,688 446,598 67,408
Hebrew עברית he 255.65 198,783 20,636,728 840,046
Hindi हिन्दी hi 106.79 113,842 3,327,230 622,827
Croatian Hrvatski hr 30.6 170,792 4,981,250 456,933
Upper Sorbian Hornjoserbsce hsb 31.57 10,894 352,828 28,198
Haitian Krèyol ayisyen ht 0.52 51,105 695,345 62,141
Hungarian Magyar hu 57.84 399,394 18,862,121 1,149,113
Armenian Հայերեն hy 34.33 212,320 4,752,656 684,435
Interlingua Interlingua ia 6.39 19,769 558,780 31,667
Indonesian Bahasa Indonesia id 106.61 389,700 13,066,800 1,940,164
Ido Ido io 5.91 26,843 900,844 40,723
Icelandic Íslenska is 41.8 41,449 1,601,733 112,450
Italian Italiano it 122.26 1,315,906 89,907,132 4,610,896
Japanese 日本語 ja 76.49 1,040,550 63,177,328 3,035,201
Javanese Basa Jawa jv 22.56 49,666 1,128,300 129,622
Georgian ქართული ka 33.32 110,996 3,287,053 306,693
Kazakh Қазақша kk 8.8 217,403 2,606,673 499,859
Kannada ಕನ್ನಡ kn 54.34 21,632 667,590 75,121
Korean 한국어 ko 109.03 366,617 19,617,102 1,383,078
Kurdish Kurdî ku 29.62 22,357 705,326 56,926
Kirghiz Кыргызча ky 0.29 58,412 252,783 75,512
Latin Latina la 11.61 125,637 3,284,285 241,784
Luxembourgish Lëtzebuergesch lb 29.3 47,208 2,041,640 105,219
Limburgish Limburgs li 108.48 11,543 426,702 54,515
Lombard Lumbaart lmo 32.01 34,535 1,090,242 90,979
Lithuanian Lietuvių lt 21.68 180,279 5,290,599 415,509
Latvian Latviešu lv 83.72 73,996 2,700,138 299,476
Banyumasan Basa Banyumasan map-bms 8.56 13,275 210,017 27,270
Malagasy Malagasy mg 10.11 82,814 832,097 217,424
Minangkabau Bahaso Minangkabau min 0.883 221,955 1,538,959 316,556
Macedonian Македонски mk 139.19 87,457 4,333,320 401,549
Malayalam മലയാളം ml 256.43 46,708 2,476,879 312,290
Mongolian Монгол mn 47.41 16,233 511,086 51,827
Marathi मराठी mr 75.99 45,018 1,468,173 183,912
Hill Mari Кырык Мары (Kyryk Mary) mrj 1.12 10,164 91,744 14,424
Malay Bahasa Melayu ms 15.99 286,088 4,247,013 774,730
Burmese language မ္ရန္‌မာစာ my 4.19 33,539 341,877 63,005
Mazandarani مَزِروني mzn 6.58 12,362 138,169 26,162
Nahuatl Nāhuatl nah 29.9 10,698 433,826 24,639
Neapolitan Nnapulitano nap 17.93 14,390 698,946 26,184
Low Saxon Plattdüütsch nds 32.28 25,707 809,841 68,044
Nepali नेपाली ne 22.24 29,114 585,437 79,804
Newari नेवारी new 12.65 72,172 842,361 195,988
Dutch Nederlands nl 12.94 1,884,398 49,188,732 3,757,902
Norwegian (Nynorsk) Nynorsk nn 16.31 131,614 2,915,192 302,998
Norwegian (Bokmål) Norsk (Bokmål) no 36.22 457,160 16,894,086 1,186,157
Occitan Occitan oc 6.43 85,495 2,186,297 140,456
Oriya ଓଡ଼ିଆ or 62.27 11,545 260,146 52,455
Ossetian Иронау os 97.49 10,292 484,960 39,174
Punjabi ਪੰਜਾਬੀ pa 25.24 23,956 357,985 81,314
Polish Polski pl 23.65 1,195,759 47,653,870 2,537,497
Piedmontese Piemontèis pms 2.34 63,986 862,013 96,814
Western Panjabi شاہ مکھی پنجابی pnb 0.88 42,534 472,068 56,282
Portuguese Português pt 137.71 948,200 48,386,353 4,243,307
Quechua Runa Simi qu 32.97 19,797 661,842 51,512
Romanian Română ro 84.5 373,130 11,260,018 1,709,656
Russian Русский ru 139.4 1,357,548 94,624,334 5,066,429
Sanskrit संस्कृतम् sa 110.43 10,195 404,265 46,550
Sakha Саха тыла sah 51.91 10,964 349,919 36,465
Sicilian Sicilianu scn 20.72 25,373 753,863 57,186
Scots Scots sco 25.97 41,725 574,318 150,625
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 796.15 436,378 40,716,318 4,554,467
Sinhalese සිංහල si 90 12,814 396,287 60,191
Simple English Simple English simple 175.09 121,703 12,931,202 407,614
Slovak Slovenčina sk 18.63 215,277 6,427,310 465,248
Slovenian Slovenščina sl 24.56 153,865 4,877,695 361,452
Albanian Shqip sq 31.24 62,230 1,831,897 167,364
Serbian Српски sr 66.85 342,124 12,578,166 1,209,580
Sundanese Basa Sunda su 20.62 19,161 495,578 45,534
Swedish Svenska sv 5.02 3,782,691 38,277,020 7,545,021
Swahili Kiswahili sw 23.76 34,690 1,027,790 82,640
Tamil தமிழ் ta 32.31 89,507 2,230,197 264,840
Telugu తెలుగు te 45.61 66,124 2,016,330 210,374
Tajik Тоҷикӣ tg 6.22 67,343 835,163 134,801
Thai ไทย th 230.41 113,075 7,092,059 620,946
Tagalog Tagalog tl 37.48 65,664 1,614,514 210,978
Turkish Türkçe tr 216.23 286,978 18,855,773 1,462,066
Tatar Татарча tt 25.51 69,919 2,181,059 167,901
Ukrainian Українська uk 39.12 665,365 19,466,160 1,998,926
Urdu اردو ur 171.54 110,505 5,327,332 593,650
Uzbek O‘zbek uz 61.47 128,741 2,650,343 614,907
Venetian Vèneto vec 77.17 10,854 599,721 33,334
Vietnamese Tiếng Việt vi 28.57 1,151,261 26,049,861 3,361,826
Volapük Volapük vo 15.23 120,409 3,310,845 249,388
Walloon Walon wa 22.38 14,301 330,311 36,923
Waray-Waray Winaray war 3.57 1,261,952 6,291,145 2,872,654
Yiddish ייִדיש yi 45.65 13,570 530,428 38,161
Yoruba Yorùbá yo 5.3 31,492 555,133 54,124
Chinese 中文 zh 165.82 914,328 43,614,630 4,834,213
Min Nan Bân-lâm-gú zh-min-nan 10.57 201,766 1,542,992 616,374
Cantonese 粵語 zh-yue 25.92 49,001 1,091,992 137,538


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 85 15 40 58 17 19 66 107 256 216 109 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.