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 933 = 21.09 × 44.22 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 = 156.64 × 6.95.

The smallest depth has Chechen Wikipedia which has the depth 0.103 = 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 31.55 40,520 1,517,254 98,515
Alemannic Alemannisch als 23.35 21,460 709,834 48,593
Amharic አማርኛ am 40.96 13,117 345,625 42,583
Aragonese Aragonés an 79.67 31,459 1,625,297 101,700
Arabic العربية ar 232.46 430,051 22,955,921 2,663,471
Egyptian Arabic مصرى arz 324.91 15,228 775,484 125,769
Asturian Asturianu ast 4.12 46,523 1,035,934 71,302
Azerbaijani Azərbaycanca az 35.6 106,167 3,822,897 276,558
Bashkir Башҡорт ba 19.19 36,044 620,011 99,193
Bavarian Boarisch bar 81.08 19,128 605,818 82,805
Samogitian Žemaitėška bat-smg 6.18 15,832 352,764 26,653
Belarusian Беларуская be 20.14 117,621 2,423,200 304,858
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 32 59,127 1,928,710 153,475
Bulgarian Български bg 24 218,350 7,710,553 487,274
Bengali বাংলা bn 447.83 42,842 2,189,678 457,050
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.54 25,063 805,389 57,572
Breton Brezhoneg br 15.17 58,793 1,785,244 117,560
Bosnian Bosanski bs 131.47 69,971 2,949,537 343,930
Buginese Basa Ugi bug 0.95 14,106 198,230 18,282
Catalan Català ca 31.06 511,596 17,495,899 1,283,943
Chechen Нохчийн ce 0.1 138,848 1,066,293 155,844
Cebuano Sinugboanong Binisaya ceb 1.35 2,622,141 9,574,437 4,777,986
Sorani کوردی ckb 123.76 17,133 516,655 101,694
Czech Čeština cs 39.67 357,159 13,839,193 944,936
Chuvash Чăваш cv 4.2 34,300 585,840 56,033
Welsh Cymraeg cy 54.72 70,031 5,343,370 159,545
Danish Dansk da 66.42 216,733 8,601,231 732,004
German Deutsch de 102.03 1,953,580 160,638,927 5,656,454
Greek Ελληνικά el 71.62 119,603 6,029,005 370,535
English English en 932.76 5,182,789 836,273,279 39,648,584
Esperanto Esperanto eo 16.83 230,208 6,030,778 502,951
Spanish Español es 187.07 1,265,786 91,591,248 5,513,423
Estonian Eesti et 29.34 147,188 4,567,334 375,918
Basque Euskara eu 20.31 250,767 5,621,356 628,703
Persian فارسی fa 212.42 496,569 22,198,703 3,277,411
Finnish Suomi fi 45.3 396,134 16,630,201 1,073,514
Faroese Føroyskt fo 36.23 12,094 337,534 35,804
French Français fr 207.85 1,768,446 129,785,888 8,162,144
West Frisian Frysk fy 21.51 34,313 820,792 85,747
Irish Gaeilge ga 5.42 37,823 828,064 61,908
Scottish Gaelic Gàidhlig gd 21.49 13,977 531,855 29,145
Galician Galego gl 23.14 131,024 4,066,514 303,110
Gujarati ગુજરાતી gu 13.77 26,386 425,936 64,481
Hebrew עברית he 252.49 191,369 19,776,263 804,802
Hindi हिन्दी hi 115.71 104,296 3,208,333 582,210
Croatian Hrvatski hr 31.42 166,406 4,897,729 448,762
Upper Sorbian Hornjoserbsce hsb 30.88 10,675 348,711 27,261
Haitian Krèyol ayisyen ht 0.39 52,037 691,075 61,718
Hungarian Magyar hu 57.58 390,778 18,303,190 1,126,417
Armenian Հայերեն hy 33.6 201,385 4,335,468 655,228
Interlingua Interlingua ia 6.34 19,710 555,775 31,529
Indonesian Bahasa Indonesia id 103.42 382,147 12,672,655 1,878,351
Ido Ido io 5.85 26,642 896,088 40,314
Icelandic Íslenska is 42.73 40,875 1,591,587 111,643
Italian Italiano it 120.18 1,280,101 86,972,716 4,456,900
Japanese 日本語 ja 74.69 1,020,455 61,233,378 2,959,207
Javanese Basa Jawa jv 21.63 48,901 1,083,172 126,674
Georgian ქართული ka 35.29 104,852 3,211,102 292,988
Kazakh Қазақша kk 8.78 216,215 2,551,618 499,834
Kannada ಕನ್ನಡ kn 52.79 20,521 619,844 70,975
Korean 한국어 ko 104.85 352,325 18,614,297 1,309,045
Kurdish Kurdî ku 28.41 22,111 695,264 55,368
Kirghiz Кыргызча ky 0.27 55,416 239,787 71,253
Latin Latina la 10.88 125,545 3,180,139 239,122
Luxembourgish Lëtzebuergesch lb 29.81 45,993 2,015,308 102,673
Limburgish Limburgs li 88.24 11,234 412,296 46,781
Lombard Lumbaart lmo 31.79 34,132 1,084,544 89,380
Lithuanian Lietuvių lt 21.3 178,243 5,230,269 408,018
Latvian Latviešu lv 85.77 70,141 2,610,197 284,662
Banyumasan Basa Banyumasan map-bms 8.7 13,130 208,914 27,069
Malagasy Malagasy mg 10.13 82,695 831,161 217,238
Minangkabau Bahaso Minangkabau min 0.786 221,821 1,371,641 316,240
Macedonian Македонски mk 138.65 86,070 4,290,852 392,654
Malayalam മലയാളം ml 278.24 43,249 2,402,129 296,857
Mongolian Монгол mn 46.26 15,546 492,449 48,847
Marathi मराठी mr 76.34 43,777 1,443,583 178,143
Hill Mari Кырык Мары (Kyryk Mary) mrj 1.13 10,096 91,524 14,341
Malay Bahasa Melayu ms 15.83 284,107 4,182,035 768,650
Burmese language မ္ရန္‌မာစာ my 3.8 32,807 323,151 60,469
Mazandarani مَزِروني mzn 6.44 12,256 136,679 25,761
Nahuatl Nāhuatl nah 26.28 11,357 430,885 25,530
Neapolitan Nnapulitano nap 18.02 14,325 698,007 26,081
Low Saxon Plattdüütsch nds 31.26 25,437 803,584 66,283
Nepali नेपाली ne 20.82 28,334 551,585 76,477
Newari नेवारी new 12.27 72,368 829,740 195,400
Dutch Nederlands nl 11.64 1,873,222 48,037,966 3,630,116
Norwegian (Nynorsk) Nynorsk nn 16.23 129,067 2,880,466 295,686
Norwegian (Bokmål) Norsk (Bokmål) no 36.96 441,372 16,421,816 1,152,062
Occitan Occitan oc 5.54 89,667 2,160,459 144,185
Oriya ଓଡ଼ିଆ or 66.88 10,659 245,275 50,028
Ossetian Иронау os 96.33 10,265 484,048 38,783
Punjabi ਪੰਜਾਬੀ pa 24.14 22,361 333,310 74,197
Polish Polski pl 22.32 1,173,939 46,075,307 2,453,945
Piedmontese Piemontèis pms 2.26 63,941 859,733 96,091
Western Panjabi شاہ مکھی پنجابی pnb 0.61 41,977 461,974 53,089
Portuguese Português pt 135.74 926,816 47,004,758 4,125,927
Quechua Runa Simi qu 33.55 19,607 660,751 51,228
Romanian Română ro 81.65 370,655 10,928,354 1,686,283
Russian Русский ru 135.89 1,323,353 91,521,869 4,888,755
Sanskrit संस्कृतम् sa 103.07 9,967 391,451 43,823
Sakha Саха тыла sah 51.82 10,828 347,489 35,872
Sicilian Sicilianu scn 20.21 25,375 751,168 56,723
Scots Scots sco 27 39,273 557,156 142,453
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 582.87 433,718 29,477,872 4,545,616
Sinhalese සිංහල si 93.27 11,845 374,850 56,099
Simple English Simple English simple 173.66 119,518 12,810,763 396,661
Slovak Slovenčina sk 18.49 212,418 6,342,732 457,813
Slovenian Slovenščina sl 24.47 151,905 4,821,506 356,108
Albanian Shqip sq 34.67 56,346 1,779,424 153,931
Serbian Српски sr 65.59 336,473 12,269,151 1,182,480
Sundanese Basa Sunda su 20.62 19,093 492,542 45,425
Swedish Svenska sv 5.67 3,285,244 36,007,817 6,646,824
Swahili Kiswahili sw 24.67 33,544 1,020,968 80,253
Tamil தமிழ் ta 31.62 86,875 2,159,488 254,617
Telugu తెలుగు te 44.3 63,844 1,891,914 203,054
Tajik Тоҷикӣ tg 13.45 46,662 795,270 110,437
Thai ไทย th 247.98 105,239 6,868,619 591,618
Tagalog Tagalog tl 37.72 64,912 1,591,845 209,561
Turkish Türkçe tr 225.6 274,587 18,192,488 1,431,504
Tatar Татарча tt 24.02 69,286 2,155,776 162,529
Ukrainian Українська uk 38.02 640,148 18,548,707 1,905,130
Urdu اردو ur 159.28 105,083 5,090,798 535,023
Uzbek O‘zbek uz 61.23 128,627 2,642,129 613,707
Venetian Vèneto vec 77.52 10,762 597,806 33,037
Vietnamese Tiếng Việt vi 24.14 1,146,451 23,991,773 3,205,411
Volapük Volapük vo 15.23 120,362 3,310,109 249,277
Walloon Walon wa 22.53 14,141 328,368 36,530
Waray-Waray Winaray war 3.58 1,259,992 6,283,935 2,870,427
Yiddish ייִדיש yi 46.55 13,286 526,682 37,460
Yoruba Yorùbá yo 5.31 31,279 551,979 53,776
Chinese 中文 zh 165.21 885,695 41,867,354 4,699,940
Min Nan Bân-lâm-gú zh-min-nan 12.2 180,006 1,459,929 574,253
Cantonese 粵語 zh-yue 25.54 46,336 1,058,179 127,666


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 933 102 208 22 75 120 12 136 187 136 6 165 37 45 31 38 226 82 15 40 58 17 18 66 103 252 232 105 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.