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 960 = 21.11 × 45.51 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 1080 = 156.01 × 6.92.

The smallest depth has Chechen Wikipedia which has the depth 0.179 = 9.38 × 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.

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 29.99 43,594 1,578,843 105,229
Alemannic Alemannisch als 22.84 22,469 747,701 50,325
Amharic አማርኛ am 40.07 13,350 348,308 43,064
Aragonese Aragonés an 78.83 31,868 1,632,836 102,896
Arabic العربية ar 217.6 459,902 25,063,846 2,677,078
Egyptian Arabic مصرى arz 311.69 16,200 797,788 132,959
Asturian Asturianu ast 4.23 48,115 1,031,480 74,749
Azerbaijani Azərbaycanca az 35.1 113,303 4,013,225 295,427
South Azerbaijani تۆرکجه azb 2.7 13,480 122,117 23,185
Bashkir Башҡорт ba 21.21 36,925 655,566 104,980
Bavarian Boarisch bar 63.55 22,008 626,952 87,584
Samogitian Žemaitėška bat-smg 5.85 15,983 356,032 26,538
Belarusian Беларуская be 20.11 125,271 2,532,111 327,237
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 31.9 60,055 1,955,513 155,799
Bulgarian Български bg 24.09 226,064 8,092,391 502,554
Bengali বাংলা bn 454.75 47,292 2,553,096 488,369
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.48 25,068 806,049 57,513
Breton Brezhoneg br 14.54 60,965 1,813,887 121,003
Bosnian Bosanski bs 124.49 72,842 3,017,637 349,388
Buginese Basa Ugi bug 0.96 14,117 198,415 18,313
Catalan Català ca 31.2 532,007 18,423,308 1,330,670
Chechen Нохчийн ce 0.18 159,860 1,706,309 181,956
Cebuano Sinugboanong Binisaya ceb 1.1 3,835,062 12,452,075 6,807,867
Sorani کوردی ckb 115.58 18,353 537,222 105,993
Czech Čeština cs 40.25 372,028 14,571,412 985,978
Chuvash Чăваш cv 3.71 37,433 600,973 60,249
Welsh Cymraeg cy 42.19 90,009 5,759,909 198,560
Danish Dansk da 66.67 222,907 8,864,525 753,559
German Deutsch de 99.84 2,023,729 166,759,237 5,792,480
Greek Ελληνικά el 70.77 126,536 6,341,077 390,788
English English en 960.49 5,326,609 870,853,581 41,258,608
Esperanto Esperanto eo 16.8 236,671 6,164,475 517,768
Spanish Español es 191.03 1,310,138 96,091,110 5,733,248
Estonian Eesti et 28.64 153,592 4,691,625 390,811
Basque Euskara eu 18.71 274,631 5,866,037 678,741
Persian فارسی fa 213.78 520,400 23,555,641 3,419,441
Finnish Suomi fi 44.97 407,291 17,042,569 1,101,766
Faroese Føroyskt fo 36.59 12,413 341,779 37,179
French Français fr 213.46 1,835,195 136,361,597 8,548,532
West Frisian Frysk fy 22.38 36,887 853,241 95,172
Irish Gaeilge ga 5.18 39,163 843,155 63,664
Scottish Gaelic Gàidhlig gd 20.95 14,337 540,219 29,734
Galician Galego gl 24.84 135,563 4,268,797 320,755
Gujarati ગુજરાતી gu 16.46 26,734 464,840 68,306
Hebrew עברית he 256.95 201,186 20,920,946 851,990
Hindi हिन्दी hi 105.69 116,562 3,384,137 636,091
Croatian Hrvatski hr 30.47 171,737 5,003,283 458,838
Upper Sorbian Hornjoserbsce hsb 31.19 11,052 355,225 28,549
Haitian Krèyol ayisyen ht 0.53 51,077 695,600 62,170
Hungarian Magyar hu 57.87 402,244 19,018,519 1,156,955
Armenian Հայերեն hy 35.46 214,736 4,957,484 692,692
Interlingua Interlingua ia 6.42 19,696 559,992 31,538
Indonesian Bahasa Indonesia id 107.04 392,272 13,184,194 1,955,181
Ido Ido io 5.94 26,881 904,586 40,787
Ilokano Ilokano ilo 77.28 10,128 305,817 43,837
Icelandic Íslenska is 41.53 41,676 1,605,082 112,907
Italian Italiano it 122.39 1,329,064 90,803,224 4,659,835
Japanese 日本語 ja 76.79 1,046,685 63,747,571 3,054,350
Javanese Basa Jawa jv 22.62 49,693 1,130,353 129,786
Georgian ქართული ka 33.3 112,378 3,311,324 311,178
Kazakh Қазақша kk 8.83 217,831 2,625,022 500,504
Kannada ಕನ್ನಡ kn 55.65 21,589 672,318 75,590
Korean 한국어 ko 113.89 370,423 20,000,316 1,425,951
Kurdish Kurdî ku 29.55 22,637 711,285 57,680
Kirghiz Кыргызча ky 0.28 60,048 256,167 77,415
Latin Latina la 11.81 126,016 3,332,109 242,947
Luxembourgish Lëtzebuergesch lb 28.98 47,732 2,058,718 106,053
Limburgish Limburgs li 107.96 11,587 427,510 54,622
Lombard Lumbaart lmo 32.13 34,682 1,093,881 91,556
Lithuanian Lietuvių lt 21.82 180,787 5,308,888 417,667
Latvian Latviešu lv 82.65 75,216 2,722,669 303,531
Maithili मैथिली mai 6.74 10,092 107,610 21,917
Banyumasan Basa Banyumasan map-bms 8.56 13,281 210,104 27,287
Malagasy Malagasy mg 9.94 83,485 833,309 218,183
Minangkabau Bahaso Minangkabau min 0.883 221,966 1,539,195 316,577
Macedonian Македонски mk 139.11 88,092 4,350,701 405,154
Malayalam മലയാളം ml 253.72 47,364 2,495,593 315,697
Mongolian Монгол mn 46.8 16,485 515,485 52,461
Marathi मराठी mr 76.07 45,533 1,479,655 186,537
Hill Mari Кырык Мары (Kyryk Mary) mrj 1.13 10,164 91,783 14,443
Malay Bahasa Melayu ms 16.04 286,699 4,267,963 776,485
Burmese language မ္ရန္‌မာစာ my 4.34 33,949 351,788 64,170
Mazandarani مَزِروني mzn 6.59 12,365 138,282 26,171
Neapolitan Nnapulitano nap 18.03 14,431 699,433 26,319
Low Saxon Plattdüütsch nds 32.66 25,787 811,751 68,639
Nepali नेपाली ne 21.78 29,890 597,397 81,375
Newari नेवारी new 12.69 72,118 842,483 196,025
Dutch Nederlands nl 13.02 1,891,347 49,538,125 3,775,156
Norwegian (Nynorsk) Nynorsk nn 16.82 132,098 2,929,019 307,656
Norwegian (Bokmål) Norsk (Bokmål) no 36.24 460,377 17,034,155 1,194,211
Occitan Occitan oc 7.08 82,526 2,195,967 137,444
Oriya ଓଡ଼ିଆ or 57.69 12,138 264,145 53,710
Ossetian Иронау os 97.55 10,329 485,411 39,389
Punjabi ਪੰਜਾਬੀ pa 25.04 24,419 364,079 82,630
Polish Polski pl 24.13 1,204,032 48,202,947 2,569,608
Piedmontese Piemontèis pms 2.37 63,999 863,103 97,021
Western Panjabi شاہ مکھی پنجابی pnb 0.91 43,165 476,155 57,439
Portuguese Português pt 138.33 954,073 48,811,855 4,274,834
Quechua Runa Simi qu 32.52 19,961 662,606 51,784
Romanian Română ro 85.01 373,999 11,316,660 1,717,311
Russian Русский ru 139.69 1,368,084 95,576,898 5,105,136
Sanskrit संस्कृतम् sa 111.97 10,203 405,068 46,965
Sakha Саха тыла sah 52.32 11,041 351,207 36,944
Sicilian Sicilianu scn 20.73 25,376 754,045 57,201
Scots Scots sco 26.15 41,915 580,705 151,334
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 794.03 437,118 40,733,970 4,556,903
Sinhalese සිංහල si 86.2 13,194 399,295 61,119
Simple English Simple English simple 174.71 122,651 12,969,644 411,382
Slovak Slovenčina sk 18.73 215,883 6,453,077 467,296
Slovenian Slovenščina sl 24.86 154,366 4,930,776 363,266
Albanian Shqip sq 30.61 63,823 1,845,536 171,460
Serbian Српски sr 71.17 344,401 12,716,699 1,258,384
Sundanese Basa Sunda su 20.67 19,173 497,023 45,568
Swedish Svenska sv 5.09 3,782,271 38,648,777 7,553,214
Swahili Kiswahili sw 23.44 35,052 1,030,515 83,308
Tamil தமிழ் ta 32.44 90,911 2,257,052 270,016
Telugu తెలుగు te 46.51 66,357 2,043,572 212,173
Tajik Тоҷикӣ tg 6.34 67,617 842,866 136,005
Thai ไทย th 230.11 114,420 7,160,884 628,719
Tagalog Tagalog tl 37.38 65,842 1,618,283 211,310
Turkish Türkçe tr 214.92 289,853 19,043,206 1,470,758
Tatar Татарча tt 25.75 70,124 2,185,955 169,086
Ukrainian Українська uk 39.25 674,975 19,780,295 2,029,549
Urdu اردو ur 169.98 111,307 5,341,224 596,100
Uzbek O‘zbek uz 61.51 128,814 2,652,845 615,405
Venetian Vèneto vec 77.06 10,866 600,071 33,355
Vietnamese Tiếng Việt vi 29.87 1,153,079 26,243,891 3,431,816
Volapük Volapük vo 15.22 120,472 3,311,148 249,458
Walloon Walon wa 22.34 14,367 331,163 37,092
Waray-Waray Winaray war 3.57 1,262,078 6,292,469 2,872,728
Yiddish ייִדיש yi 44.52 13,678 533,619 38,048
Yoruba Yorùbá yo 5.35 31,510 561,751 54,140
Chinese 中文 zh 166.3 921,988 44,184,225 4,868,787
Min Nan Bân-lâm-gú zh-min-nan 10.54 202,534 1,547,991 618,042
Cantonese 粵語 zh-yue 24.88 50,500 1,101,203 140,462
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 960 100 213 24 77 122 13 138 191 140 5 166 36 45 31 39 215 85 15 40 58 17 19 67 107 257 218 114 22 71
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.