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 937 = 21.12 × 44.38 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 1085 = 156.5 × 6.93.

The smallest depth has Chechen Wikipedia which has the depth 0.112 = 8.18 × 0.014.

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 31.49 41,109 1,534,730 99,998
Alemannic Alemannisch als 23.06 21,685 714,222 48,941
Amharic አማርኛ am 40.89 13,140 346,023 42,636
Aragonese Aragonés an 79.8 31,519 1,627,346 102,013
Arabic العربية ar 221.53 439,519 23,623,224 2,616,761
Egyptian Arabic مصرى arz 329.14 15,315 781,348 127,594
Asturian Asturianu ast 4.18 46,907 1,011,836 72,596
Azerbaijani Azərbaycanca az 35.3 107,961 3,860,037 280,957
Bashkir Башҡорт ba 19.44 36,230 628,016 99,955
Bavarian Boarisch bar 69.9 20,699 615,301 85,035
Samogitian Žemaitėška bat-smg 5.77 15,867 354,614 26,233
Belarusian Беларуская be 20.61 119,043 2,452,076 311,760
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 32.01 59,414 1,935,920 154,311
Bulgarian Български bg 24.03 220,135 7,776,742 491,377
Bengali বাংলা bn 472.79 43,815 2,396,234 462,255
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.44 25,066 805,713 57,479
Breton Brezhoneg br 14.89 59,504 1,792,695 118,547
Bosnian Bosanski bs 132.28 69,992 2,961,489 344,584
Buginese Basa Ugi bug 0.95 14,107 198,254 18,288
Catalan Català ca 31.11 516,361 17,720,563 1,294,902
Chechen Нохчийн ce 0.11 146,876 1,342,625 164,050
Cebuano Sinugboanong Binisaya ceb 1.33 2,766,534 9,998,627 5,029,407
Sorani کوردی ckb 120.76 17,533 522,324 103,158
Czech Čeština cs 39.55 361,300 13,994,465 954,833
Chuvash Чăваш cv 4.16 34,658 587,947 56,575
Welsh Cymraeg cy 53.1 71,044 5,351,474 160,775
Danish Dansk da 66.56 218,309 8,667,349 738,011
German Deutsch de 101.71 1,969,864 162,161,981 5,691,662
Greek Ελληνικά el 71.57 121,170 6,103,931 375,378
English English en 937.14 5,220,209 844,574,766 39,996,280
Esperanto Esperanto eo 16.84 231,836 6,073,902 506,638
Spanish Español es 187.91 1,277,233 92,733,154 5,567,141
Estonian Eesti et 29.17 148,650 4,593,287 379,393
Basque Euskara eu 19.45 256,954 5,671,655 636,571
Persian فارسی fa 214.23 502,781 22,687,189 3,316,317
Finnish Suomi fi 45.07 399,402 16,732,243 1,080,877
Faroese Føroyskt fo 36.22 12,209 338,890 36,238
French Français fr 209.14 1,783,589 131,234,925 8,251,342
West Frisian Frysk fy 21.97 34,647 830,020 87,329
Irish Gaeilge ga 5.27 38,474 832,758 62,714
Scottish Gaelic Gàidhlig gd 21.42 14,069 534,333 29,324
Galician Galego gl 23.19 132,441 4,113,239 306,539
Gujarati ગુજરાતી gu 14.2 26,477 428,690 65,468
Hebrew עברית he 253.15 193,991 20,067,254 816,636
Hindi हिन्दी hi 113.78 106,778 3,248,961 593,631
Croatian Hrvatski hr 31.1 167,857 4,922,862 451,293
Upper Sorbian Hornjoserbsce hsb 31.01 10,720 349,516 27,451
Haitian Krèyol ayisyen ht 0.53 50,852 693,809 61,867
Hungarian Magyar hu 57.49 394,233 18,490,983 1,134,680
Armenian Հայերեն hy 34.09 206,318 4,522,663 669,978
Interlingua Interlingua ia 6.37 19,724 556,732 31,576
Indonesian Bahasa Indonesia id 104.33 384,306 12,782,526 1,896,183
Ido Ido io 5.85 26,711 897,482 40,423
Icelandic Íslenska is 42.59 40,975 1,593,132 111,818
Italian Italiano it 119.88 1,296,639 87,971,308 4,511,665
Japanese 日本語 ja 75.32 1,026,969 61,829,526 2,985,532
Javanese Basa Jawa jv 21.53 49,339 1,091,243 127,623
Georgian ქართული ka 34.96 106,271 3,235,184 296,497
Kazakh Қазақша kk 8.76 216,421 2,567,427 498,648
Kannada ಕನ್ನಡ kn 53.52 20,786 634,350 72,029
Korean 한국어 ko 106.98 357,152 18,971,400 1,338,278
Kurdish Kurdî ku 29.48 22,201 700,799 56,397
Kirghiz Кыргызча ky 0.28 57,390 245,644 74,072
Latin Latina la 11.36 125,488 3,259,679 240,306
Luxembourgish Lëtzebuergesch lb 29.62 46,458 2,023,628 103,695
Limburgish Limburgs li 104.55 11,334 420,630 52,133
Lombard Lumbaart lmo 31.91 34,236 1,086,009 89,865
Lithuanian Lietuvių lt 21.39 179,136 5,249,635 410,916
Latvian Latviešu lv 84.81 71,738 2,645,821 290,736
Banyumasan Basa Banyumasan map-bms 8.69 13,145 209,004 27,100
Malagasy Malagasy mg 10.13 82,704 831,418 217,277
Minangkabau Bahaso Minangkabau min 0.787 221,861 1,372,435 316,365
Macedonian Македонски mk 137.61 86,655 4,300,121 394,578
Malayalam മലയാളം ml 269.79 44,406 2,420,788 302,044
Mongolian Монгол mn 46.9 15,733 497,673 49,825
Marathi मराठी mr 75.78 44,286 1,451,685 180,060
Hill Mari Кырык Мары (Kyryk Mary) mrj 1.13 10,096 91,549 14,342
Malay Bahasa Melayu ms 15.94 284,625 4,203,113 771,448
Burmese language မ္ရန္‌မာစာ my 4.02 33,018 332,269 61,490
Mazandarani مَزِروني mzn 6.54 12,341 137,690 26,071
Nahuatl Nāhuatl nah 26.29 11,364 431,129 25,549
Neapolitan Nnapulitano nap 18.01 14,347 698,275 26,122
Low Saxon Plattdüütsch nds 31.48 25,575 805,832 66,932
Nepali नेपाली ne 22.41 27,903 560,237 76,818
Newari नेवारी new 12.47 72,369 841,536 195,544
Dutch Nederlands nl 11.78 1,872,523 48,373,967 3,634,300
Norwegian (Nynorsk) Nynorsk nn 16.15 130,183 2,892,716 298,130
Norwegian (Bokmål) Norsk (Bokmål) no 36.86 445,015 16,535,953 1,160,836
Occitan Occitan oc 5.47 90,340 2,165,086 144,997
Oriya ଓଡ଼ିଆ or 67.04 10,836 250,818 50,742
Ossetian Иронау os 96.89 10,265 484,260 38,905
Punjabi ਪੰਜਾਬੀ pa 24.94 22,992 342,923 77,621
Polish Polski pl 22.79 1,181,029 46,502,045 2,484,253
Piedmontese Piemontèis pms 2.29 63,954 860,377 96,373
Western Panjabi شاہ مکھی پنجابی pnb 0.73 42,054 465,985 54,321
Portuguese Português pt 136.62 933,358 47,488,851 4,163,776
Quechua Runa Simi qu 33.42 19,641 661,172 51,257
Romanian Română ro 82.77 371,233 11,049,843 1,693,394
Russian Русский ru 136.78 1,336,179 92,661,009 4,946,804
Sanskrit संस्कृतम् sa 106.22 9,987 398,061 44,339
Sakha Саха тыла sah 51.73 10,879 348,034 36,069
Sicilian Sicilianu scn 20.31 25,341 751,509 56,711
Scots Scots sco 26.25 40,764 567,017 147,158
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 720.09 434,602 36,545,320 4,549,381
Sinhalese සිංහල si 88.4 12,359 382,050 57,400
Simple English Simple English simple 172.74 120,501 12,847,878 399,928
Slovak Slovenčina sk 18.46 214,015 6,371,431 461,445
Slovenian Slovenščina sl 24.5 152,857 4,844,499 358,758
Albanian Shqip sq 33.23 58,759 1,799,745 159,641
Serbian Српски sr 65.83 337,840 12,342,309 1,188,371
Sundanese Basa Sunda su 20.61 19,122 493,148 45,489
Swedish Svenska sv 5.5 3,363,670 36,476,849 6,760,292
Swahili Kiswahili sw 24.1 34,000 1,023,412 80,937
Tamil தமிழ் ta 31.76 88,125 2,185,988 259,098
Telugu తెలుగు te 43.99 65,038 1,929,851 205,955
Tajik Тоҷикӣ tg 6.02 66,520 823,486 131,847
Thai ไทย th 237.4 108,684 6,940,953 601,755
Tagalog Tagalog tl 37.51 65,333 1,602,182 210,301
Turkish Türkçe tr 221.52 279,545 18,450,981 1,443,150
Tatar Татарча tt 24.79 69,445 2,167,935 164,758
Ukrainian Українська uk 38.43 648,300 18,851,322 1,936,277
Urdu اردو ur 163.81 107,168 5,170,699 557,588
Uzbek O‘zbek uz 61.35 128,679 2,645,320 614,399
Venetian Vèneto vec 77.67 10,772 598,622 33,094
Vietnamese Tiếng Việt vi 24.66 1,148,032 24,245,437 3,228,037
Volapük Volapük vo 15.23 120,374 3,310,390 249,296
Walloon Walon wa 22.49 14,189 329,033 36,647
Waray-Waray Winaray war 3.57 1,261,670 6,288,734 2,872,308
Yiddish ייִדיש yi 46.06 13,414 528,189 37,752
Yoruba Yorùbá yo 5.29 31,432 553,799 54,000
Chinese 中文 zh 165.19 895,558 42,455,680 4,742,513
Min Nan Bân-lâm-gú zh-min-nan 12.25 180,855 1,474,389 576,778
Cantonese 粵語 zh-yue 25.49 46,806 1,067,241 128,945


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 937 102 209 23 75 120 12 137 188 137 6 165 37 45 31 38 222 83 15 40 57 17 18 67 104 253 222 107 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.