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 1013 = 21.15 × 47.91 and is the deepest one for Wikipedias with number of articles greater than 10000.

For the unblocked Wikipedias, the Ripuarian Wikipedia has the largest depth, at 1071 = 155.52 × 6.89.

The Chechen Wikipedia has the smallest depth, at 0.276 = 12.97 × 0.021.

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. It can be 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.

No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
No.
Language Language (local) Wiki Depth Articles Edits Total Pages
Afrikaans Afrikaans af 28.63 48,551 1,691,178 116,836
Alemannic Alemannisch als 26.86 23,845 821,888 56,148
Amharic አማርኛ am 38.08 14,018 357,601 44,550
Aragonese Aragonés an 76.92 32,631 1,646,998 104,832
Arabic العربية ar 224.12 554,911 29,555,530 3,352,993
Egyptian Arabic مصرى arz 306.4 17,749 840,402 148,228
Asturian Asturianu ast 4.31 58,115 1,218,509 91,114
Azerbaijani Azərbaycanca az 32.5 130,755 4,417,075 336,717
South Azerbaijani تۆرکجه azb 1 60,663 294,112 94,665
Bashkir Башҡорт ba 23.89 41,095 782,668 119,609
Bavarian Boarisch bar 63.27 23,762 669,170 94,960
Samogitian Žemaitėška bat-smg 6.15 16,221 358,824 27,320
Belarusian Беларуская be 33.41 148,847 3,110,835 490,499
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 33.46 61,961 2,024,832 163,950
Bulgarian Български bg 24.54 238,499 8,705,317 529,991
Bengali বাংলা bn 432.75 55,179 2,946,827 551,971
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 24.02 25,081 811,858 57,912
Breton Brezhoneg br 13.99 63,690 1,858,142 125,628
Bosnian Bosanski bs 117.66 76,942 3,117,012 360,952
Buginese Basa Ugi bug 1.09 14,119 200,173 18,623
Catalan Català ca 30.66 569,705 19,840,664 1,410,976
Chechen Нохчийн ce 0.28 164,680 2,446,469 188,692
Cebuano Sinugboanong Binisaya ceb 0.94 5,383,121 19,010,653 8,963,946
Sorani کوردی ckb 106.75 20,651 590,835 114,636
Czech Čeština cs 41.69 398,017 15,722,076 1,067,691
Chuvash Чăваш cv 4.67 40,860 636,847 70,173
Welsh Cymraeg cy 56.37 93,270 7,949,829 205,995
Danish Dansk da 66.38 234,544 9,343,402 790,282
German Deutsch de 96.77 2,143,415 177,386,705 6,031,360
Greek Ελληνικά el 67.89 141,983 6,946,322 434,603
English English en 1013.12 5,551,681 929,968,572 43,979,619
Esperanto Esperanto eo 16.97 244,343 6,325,794 537,862
Spanish Español es 204.64 1,381,941 104,692,001 6,188,306
Estonian Eesti et 27.5 168,059 5,007,191 424,717
Basque Euskara eu 18.63 287,762 6,213,312 706,599
Persian فارسی fa 214.17 588,350 26,747,287 3,858,756
Finnish Suomi fi 44.43 429,655 17,861,082 1,159,240
Faroese Føroyskt fo 36.12 12,668 346,371 37,830
French Français fr 222.6 1,947,437 147,029,685 9,225,461
West Frisian Frysk fy 30.06 39,474 935,618 115,516
Irish Gaeilge ga 5.27 45,959 902,678 76,724
Scottish Gaelic Gàidhlig gd 22.08 14,654 553,148 30,939
Galician Galego gl 27.96 144,595 4,721,859 353,917
Gujarati ગુજરાતી gu 21.76 27,525 538,183 75,665
Hebrew עברית he 254.19 218,409 23,204,027 906,764
Hindi हिन्दी hi 125.45 122,944 3,787,222 725,762
Croatian Hrvatski hr 28.51 182,338 5,174,443 478,331
Upper Sorbian Hornjoserbsce hsb 27.95 12,427 368,804 31,684
Haitian Krèyol ayisyen ht 0.56 51,632 703,413 63,203
Hungarian Magyar hu 59.33 424,300 20,166,350 1,232,155
Armenian Հայերեն hy 38.91 237,083 5,638,077 790,988
Interlingua Interlingua ia 6.41 20,594 591,609 32,891
Indonesian Bahasa Indonesia id 124.78 420,110 14,545,469 2,276,810
Ido Ido io 5.65 27,452 923,949 41,239
Ilokano Ilokano ilo 76.53 10,901 329,067 46,904
Icelandic Íslenska is 38.25 44,118 1,633,583 117,200
Italian Italiano it 131.61 1,410,364 99,193,182 5,067,458
Japanese 日本語 ja 80.17 1,091,501 67,992,997 3,217,491
Javanese Basa Jawa jv 29.15 51,595 1,409,965 139,079
Georgian ქართული ka 34.01 120,210 3,532,949 336,593
Kazakh Қазақша kk 9.32 220,583 2,696,713 514,734
Kannada ಕನ್ನಡ kn 64.1 22,935 738,059 85,397
Korean 한국어 ko 115.37 406,902 22,292,805 1,564,885
Kurdish Kurdî ku 29.69 23,164 725,594 59,226
Kirghiz Кыргызча ky 0.21 79,942 318,024 100,301
Latin Latina la 12.2 127,705 3,418,342 247,776
Luxembourgish Lëtzebuergesch lb 27.88 50,972 2,160,010 112,355
Limburgish Limburgs li 114.7 12,083 438,950 59,877
Lombard Lumbaart lmo 30.52 36,624 1,113,531 96,042
Lithuanian Lietuvių lt 22.94 185,714 5,489,023 436,549
Latvian Latviešu lv 81.65 81,471 2,863,802 332,196
Maithili मैथिली mai 8.25 12,227 139,658 27,932
Banyumasan Basa Banyumasan map-bms 8.98 13,293 211,266 27,720
Malagasy Malagasy mg 9.87 84,716 855,167 219,559
Minangkabau Bahaso Minangkabau min 0.889 222,126 1,543,220 317,075
Macedonian Македонски mk 133.51 92,370 4,448,781 420,513
Malayalam മലയാളം ml 231.85 53,803 2,680,376 349,726
Mongolian Монгол mn 51.15 17,755 549,237 59,575
Marathi मराठी mr 75.49 50,310 1,598,038 208,012
Hill Mari Кырык Мары (Kyryk Mary) mrj 1.39 10,265 93,362 15,143
Malay Bahasa Melayu ms 15.95 310,784 4,619,729 840,129
Burmese language မ္ရန္‌မာစာ my 5.68 37,989 392,453 78,478
Mazandarani مَزِروني mzn 7.05 12,601 142,170 27,251
Neapolitan Nnapulitano nap 17.8 14,493 701,075 26,345
Low Saxon Plattdüütsch nds 33.29 27,355 832,650 74,593
Nepali नेपाली ne 24.46 30,338 630,607 85,625
Newari नेवारी new 12.71 72,141 843,242 196,173
Dutch Nederlands nl 13.89 1,920,854 51,905,555 3,877,253
Norwegian (Nynorsk) Nynorsk nn 17.43 136,369 3,003,927 323,047
Norwegian (Bokmål) Norsk (Bokmål) no 38.33 481,592 18,139,007 1,270,830
Occitan Occitan oc 7.02 84,095 2,224,703 140,004
Oriya ଓଡ଼ିଆ or 57.29 13,416 301,599 57,915
Ossetian Иронау os 98.29 10,536 489,284 40,641
Punjabi ਪੰਜਾਬੀ pa 25.7 27,703 412,544 95,159
Polish Polski pl 26.88 1,260,861 51,558,418 2,778,327
Piedmontese Piemontèis pms 2.47 64,287 868,871 98,285
Western Panjabi شاہ مکھی پنجابی pnb 1.36 45,859 524,501 64,608
Portuguese Português pt 148.03 988,617 52,048,609 4,541,719
Quechua Runa Simi qu 31.82 20,360 666,203 52,648
Romanian Română ro 103.98 382,962 12,064,794 1,954,884
Russian Русский ru 148.73 1,447,229 102,695,626 5,550,526
Sanskrit संस्कृतम् sa 105.97 11,207 427,851 51,061
Sakha Саха тыла sah 52.7 11,548 360,552 39,186
Sicilian Sicilianu scn 18.11 25,836 764,858 55,439
Scots Scots sco 24.83 48,569 643,592 174,629
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 783.78 441,861 40,832,743 4,588,785
Sinhalese සිංහල si 83.9 14,357 424,568 66,339
Simple English Simple English simple 76.9 130,867 5,927,511 445,474
Slovak Slovenčina sk 18.63 224,480 6,633,210 487,021
Slovenian Slovenščina sl 25.01 159,733 5,094,161 377,051
Albanian Shqip sq 30.67 71,430 1,965,802 196,505
Serbian Српски sr 48.52 597,046 16,436,047 2,074,624
Sundanese Basa Sunda su 4.17 39,417 555,358 67,477
Swedish Svenska sv 5.73 3,786,973 42,277,133 7,642,674
Swahili Kiswahili sw 20.78 39,176 1,064,388 91,552
Tamil தமிழ் ta 26.99 114,755 2,556,060 328,446
Telugu తెలుగు te 52.6 68,445 2,268,123 224,694
Tajik Тоҷикӣ tg 3.73 92,821 1,014,204 165,158
Thai ไทย th 247.7 121,592 7,757,323 693,962
Tagalog Tagalog tl 21.39 86,310 1,697,700 234,733
Turkish Türkçe tr 220.2 303,779 20,445,851 1,541,577
Tatar Татарча tt 24.87 75,057 2,265,960 180,770
Ukrainian Українська uk 38.92 760,601 21,987,015 2,293,055
Urdu اردو ur 168.9 126,235 5,738,511 698,691
Uzbek O‘zbek uz 62.22 129,028 2,676,555 618,108
Venetian Vèneto vec 75.81 11,072 604,891 33,891
Vietnamese Tiếng Việt vi 251.69 1,166,682 36,640,930 11,565,449
Volapük Volapük vo 15.11 120,699 3,313,921 249,393
Walloon Walon wa 23.31 14,497 339,664 37,870
Waray-Waray Winaray war 3.58 1,262,756 6,306,072 2,875,354
Yiddish ייִדיש yi 42.97 14,261 545,431 39,379
Yoruba Yorùbá yo 5.45 31,609 564,867 54,539
Chinese 中文 zh 175.91 986,295 49,063,612 5,276,036
Min Nan Bân-lâm-gú zh-min-nan 12.29 225,952 1,900,879 710,065
Cantonese 粵語 zh-yue 17.95 64,211 1,200,830 165,073
Language Language (local) Wiki Depth Articles Edits Total Pages


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 1013 97 223 27 80 132 14 148 205 149 6 176 38 44 31 39 220 104 15 42 59 17 19 66 125 254 224 115 23 49
1 Jan 2017 953 100 213 24 77 122 13 138 191 140 5 161 36 45 31 39 229 85 15 40 58 17 19 66 107 256 218 112 22 71
1 July 2016 933 102 208 22 75 120 12 136 187 136 6 165 37 45 31 38 226 82 15 40 58 17 18 66 104 253 233 105 21 66
1 Jan 2016 910 98 205 21 72 115 11 133 198 131 9 163 35 46 31 37 240 82 15 41 59 17 18 68 84 251 223 90 21 69
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.