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 934 = 21.1 × 44.26 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 1088 = 156.6 × 6.94.

The smallest depth has Chechen Wikipedia which has the depth 0.101 = 6.84 × 0.015.

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 31.57 40,613 1,519,521 98,802
Alemannic Alemannisch als 23.32 21,500 710,664 48,674
Amharic አማርኛ am 40.89 13,128 345,715 42,596
Aragonese Aragonés an 79.7 31,471 1,625,785 101,760
Arabic العربية ar 232.87 431,291 23,066,841 2,670,850
Egyptian Arabic مصرى arz 325.44 15,249 776,994 126,048
Asturian Asturianu ast 4.09 46,681 1,036,454 71,481
Azerbaijani Azərbaycanca az 35.6 106,383 3,828,334 277,190
Bashkir Башҡорт ba 19.27 36,053 621,558 99,311
Bavarian Boarisch bar 77.4 19,562 607,108 83,316
Samogitian Žemaitėška bat-smg 6.18 15,836 352,832 26,660
Belarusian Беларуская be 20.31 117,840 2,430,119 306,437
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 31.93 59,207 1,929,870 153,594
Bulgarian Български bg 24.01 218,661 7,721,512 487,987
Bengali বাংলা bn 457.44 42,993 2,245,849 458,444
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.54 25,064 805,404 57,575
Breton Brezhoneg br 15.13 58,918 1,786,370 117,746
Bosnian Bosanski bs 131.59 69,990 2,951,246 344,165
Buginese Basa Ugi bug 0.95 14,106 198,237 18,284
Catalan Català ca 31.07 512,389 17,525,861 1,286,002
Chechen Нохчийн ce 0.1 140,397 1,076,549 157,448
Cebuano Sinugboanong Binisaya ceb 1.37 2,668,050 9,791,116 4,872,916
Sorani کوردی ckb 123.15 17,229 517,743 102,158
Czech Čeština cs 39.68 357,833 13,864,279 946,859
Chuvash Чăваш cv 4.21 34,303 585,998 56,066
Welsh Cymraeg cy 54.65 70,109 5,345,054 159,699
Danish Dansk da 66.54 216,896 8,612,782 733,088
German Deutsch de 101.98 1,956,408 160,894,351 5,662,932
Greek Ελληνικά el 71.57 119,863 6,041,769 371,211
English English en 933.83 5,188,703 837,758,652 39,709,290
Esperanto Esperanto eo 16.83 230,448 6,035,177 503,469
Spanish Español es 187.27 1,267,684 91,781,814 5,523,396
Estonian Eesti et 29.34 147,403 4,572,308 376,530
Basque Euskara eu 20.23 251,474 5,632,071 629,672
Persian فارسی fa 212.82 497,583 22,292,539 3,283,463
Finnish Suomi fi 45.29 396,586 16,649,874 1,074,651
Faroese Føroyskt fo 36.21 12,109 337,736 35,850
French Français fr 207.89 1,771,425 130,041,310 8,175,614
West Frisian Frysk fy 21.68 34,415 822,946 86,310
Irish Gaeilge ga 5.37 37,999 829,050 62,100
Scottish Gaelic Gàidhlig gd 21.5 13,995 532,297 29,191
Galician Galego gl 23.21 131,202 4,075,436 303,776
Gujarati ગુજરાતી gu 13.84 26,393 426,355 64,621
Hebrew עברית he 252.9 191,742 19,830,432 806,790
Hindi हिन्दी hi 115.99 104,486 3,217,612 583,838
Croatian Hrvatski hr 31.38 166,635 4,903,462 449,150
Upper Sorbian Hornjoserbsce hsb 30.88 10,677 348,783 27,266
Haitian Krèyol ayisyen ht 0.53 50,812 692,900 61,815
Hungarian Magyar hu 57.64 391,292 18,354,486 1,127,629
Armenian Հայերեն hy 33.53 202,047 4,349,456 656,605
Interlingua Interlingua ia 6.34 19,713 555,955 31,539
Indonesian Bahasa Indonesia id 103.58 382,585 12,699,530 1,881,227
Ido Ido io 5.86 26,646 896,264 40,328
Icelandic Íslenska is 42.71 40,899 1,592,005 111,703
Italian Italiano it 120.38 1,281,530 87,148,632 4,463,775
Japanese 日本語 ja 74.81 1,021,614 61,342,747 2,963,994
Javanese Basa Jawa jv 21.63 48,921 1,083,448 126,729
Georgian ქართული ka 35.38 105,004 3,215,475 293,787
Kazakh Қазақша kk 8.77 216,379 2,554,145 499,778
Kannada ಕನ್ನಡ kn 53.07 20,575 623,874 71,219
Korean 한국어 ko 105.31 353,049 18,676,615 1,314,078
Kurdish Kurdî ku 28.72 22,132 696,690 55,652
Kirghiz Кыргызча ky 0.28 55,433 240,108 71,302
Latin Latina la 10.95 125,520 3,185,014 239,392
Luxembourgish Lëtzebuergesch lb 29.72 46,092 2,016,399 102,843
Limburgish Limburgs li 92.63 11,263 414,315 48,260
Lombard Lumbaart lmo 31.82 34,139 1,084,773 89,431
Lithuanian Lietuvių lt 21.32 178,392 5,233,506 408,492
Latvian Latviešu lv 84.96 70,613 2,617,021 285,652
Banyumasan Basa Banyumasan map-bms 8.7 13,131 208,925 27,071
Malagasy Malagasy mg 10.13 82,702 831,232 217,256
Minangkabau Bahaso Minangkabau min 0.786 221,821 1,371,664 316,243
Macedonian Македонски mk 138.56 86,134 4,292,237 392,881
Malayalam മലയാളം ml 278.29 43,315 2,404,581 297,461
Mongolian Монгол mn 46.26 15,558 492,836 48,886
Marathi मराठी mr 76.27 43,852 1,445,163 178,416
Hill Mari Кырык Мары (Kyryk Mary) mrj 1.13 10,096 91,537 14,342
Malay Bahasa Melayu ms 15.84 284,223 4,185,628 769,134
Burmese language မ္ရန္‌မာစာ my 3.82 32,844 323,668 60,614
Mazandarani مَزِروني mzn 6.46 12,266 136,831 25,798
Nahuatl Nāhuatl nah 26.28 11,359 430,915 25,533
Neapolitan Nnapulitano nap 18 14,334 698,045 26,092
Low Saxon Plattdüütsch nds 31.27 25,475 804,021 66,419
Nepali नेपाली ne 20.91 28,313 552,101 76,510
Newari नेवारी new 12.27 72,365 829,807 195,348
Dutch Nederlands nl 11.66 1,873,972 48,092,483 3,632,252
Norwegian (Nynorsk) Nynorsk nn 16.21 129,336 2,882,337 296,262
Norwegian (Bokmål) Norsk (Bokmål) no 36.98 441,782 16,439,774 1,153,376
Occitan Occitan oc 5.54 89,717 2,161,247 144,256
Oriya ଓଡ଼ିଆ or 67.73 10,663 247,155 50,218
Ossetian Иронау os 96.43 10,265 484,080 38,805
Punjabi ਪੰਜਾਬੀ pa 24.44 22,458 335,267 74,950
Polish Polski pl 22.51 1,175,148 46,158,977 2,462,902
Piedmontese Piemontèis pms 2.27 63,944 859,819 96,138
Western Panjabi شاہ مکھی پنجابی pnb 0.69 42,008 463,900 53,907
Portuguese Português pt 135.97 927,626 47,091,007 4,131,498
Quechua Runa Simi qu 33.47 19,614 660,821 51,202
Romanian Română ro 81.86 370,743 10,951,947 1,687,425
Russian Русский ru 135.97 1,325,614 91,703,541 4,897,979
Sanskrit संस्कृतम् sa 103.8 9,972 393,362 43,920
Sakha Саха тыла sah 51.91 10,827 347,547 35,897
Sicilian Sicilianu scn 20.21 25,376 751,202 56,727
Scots Scots sco 26.84 39,572 559,505 143,353
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 601.26 433,899 30,424,502 4,547,022
Sinhalese සිංහල si 92.62 11,911 375,567 56,290
Simple English Simple English simple 173.28 119,755 12,818,177 397,282
Slovak Slovenčina sk 18.44 212,864 6,348,722 458,539
Slovenian Slovenščina sl 24.46 152,045 4,824,965 356,446
Albanian Shqip sq 34.6 56,525 1,781,298 154,419
Serbian Српски sr 65.57 336,716 12,281,166 1,182,870
Sundanese Basa Sunda su 20.61 19,101 492,644 45,440
Swedish Svenska sv 5.47 3,360,574 36,265,096 6,750,991
Swahili Kiswahili sw 24.65 33,580 1,021,557 80,330
Tamil தமிழ் ta 31.75 86,984 2,163,306 255,374
Telugu తెలుగు te 44.37 63,951 1,899,299 203,332
Tajik Тоҷикӣ tg 13.36 46,865 796,310 110,730
Thai ไทย th 247.78 105,486 6,881,214 592,870
Tagalog Tagalog tl 37.71 64,961 1,593,153 209,680
Turkish Türkçe tr 226.23 274,681 18,226,608 1,433,212
Tatar Татарча tt 24.07 69,312 2,157,367 162,699
Ukrainian Українська uk 38.08 641,192 18,593,986 1,909,103
Urdu اردو ur 160.53 105,187 5,109,567 537,395
Uzbek O‘zbek uz 61.25 128,633 2,642,670 613,790
Venetian Vèneto vec 77.44 10,768 597,942 33,044
Vietnamese Tiếng Việt vi 24.24 1,146,570 24,034,135 3,209,573
Volapük Volapük vo 15.23 120,364 3,310,128 249,280
Walloon Walon wa 22.53 14,146 328,488 36,543
Waray-Waray Winaray war 3.58 1,260,250 6,284,947 2,870,753
Yiddish ייִדיש yi 46.37 13,314 526,955 37,501
Yoruba Yorùbá yo 5.28 31,384 552,652 53,901
Chinese 中文 zh 165.24 887,283 41,969,308 4,707,017
Min Nan Bân-lâm-gú zh-min-nan 12.19 180,118 1,461,133 574,514
Cantonese 粵語 zh-yue 25.47 46,468 1,059,787 127,949


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 934 102 208 23 75 120 12 136 187 136 5 165 37 45 31 38 226 82 15 40 58 17 18 67 104 253 233 105 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.