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 909 = 18.65 × 48.78 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 1073 = 155.39 × 6.91.

The Chechen Wikipedia has the smallest depth, at 0.323 = 13.95 × 0.023.

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 29.19 50,767 1,685,603 125,652
Alemannic Alemannisch als 24.65 24,857 836,323 57,110
Amharic አማርኛ am 34.7 14,301 347,175 44,444
Aragonese Aragonés an 72.49 33,266 1,609,952 105,907
Arabic العربية ar 223.91 589,098 29,395,474 3,728,583
Egyptian Arabic مصرى arz 282.98 18,801 813,948 158,258
Asturian Asturianu ast 4.54 79,893 1,642,079 127,258
Azerbaijani Azərbaycanca az 30.5 136,908 4,345,998 352,270
South Azerbaijani تۆرکجه azb 3 86,968 450,644 183,409
Bashkir Башҡорт ba 23.64 43,413 819,835 126,229
Bavarian Boarisch bar 54.72 26,147 693,544 99,356
Samogitian Žemaitėška bat-smg 5.92 16,292 343,817 27,509
Belarusian Беларуская be 32.27 155,734 3,172,213 510,731
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 32.11 63,663 1,979,938 169,094
Bulgarian Български bg 23.62 244,025 8,574,520 542,275
Bengali বাংলা bn 411.4 59,532 3,049,548 591,184
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.37 25,080 780,575 58,184
Breton Brezhoneg br 13.02 65,067 1,795,043 127,699
Bosnian Bosanski bs 110.28 77,539 2,933,757 364,580
Buginese Basa Ugi bug 1.05 14,115 191,611 18,633
Catalan Català ca 30.13 585,624 20,039,454 1,450,385
Chechen Нохчийн ce 0.32 165,094 2,653,455 190,224
Cebuano Sinugboanong Binisaya ceb 1.14 5,382,624 23,134,551 8,964,554
Sorani کوردی ckb 94.46 21,985 577,409 118,979
Czech Čeština cs 42.41 409,194 16,215,601 1,104,708
Chuvash Чăваш cv 4.79 41,296 636,729 71,594
Welsh Cymraeg cy 35.03 100,798 5,769,150 216,327
Danish Dansk da 66.67 238,923 9,577,459 804,258
German Deutsch de 94.18 2,200,684 178,107,787 6,178,363
Greek Ελληνικά el 65.47 149,378 7,117,672 454,960
English English en 909.47 5,683,946 846,168,767 45,380,245
Esperanto Esperanto eo 17.03 248,323 6,321,957 550,792
Spanish Español es 203.19 1,435,515 108,910,029 6,393,383
Estonian Eesti et 25.38 177,356 5,042,570 441,868
Basque Euskara eu 11.66 300,008 6,364,280 619,577
Persian فارسی fa 176.31 635,662 23,946,962 4,148,815
Finnish Suomi fi 42.2 441,375 17,388,133 1,192,100
Faroese Føroyskt fo 35.88 12,780 348,204 38,102
French Français fr 223.89 2,002,647 150,005,288 9,572,269
West Frisian Frysk fy 29.02 40,316 921,169 118,076
Irish Gaeilge ga 4.7 47,754 894,124 78,413
Scottish Gaelic Gàidhlig gd 20.36 14,722 541,943 30,473
Galician Galego gl 27.72 149,789 4,800,361 368,194
Gujarati ગુજરાતી gu 27.26 27,913 604,454 81,395
Hebrew עברית he 247.64 227,369 23,368,999 948,028
Hindi हिन्दी hi 130.89 125,858 3,850,682 769,565
Croatian Hrvatski hr 23.88 196,820 5,097,831 497,174
Upper Sorbian Hornjoserbsce hsb 26.19 12,904 359,235 32,882
Haitian Krèyol ayisyen ht 0.58 52,580 710,173 64,652
Hungarian Magyar hu 57.78 434,109 20,102,663 1,260,321
Armenian Հայերեն hy 39.23 243,010 5,822,767 811,109
Interlingua Interlingua ia 6.52 20,646 595,515 33,064
Indonesian Bahasa Indonesia id 117.02 435,347 14,015,755 2,373,163
Ido Ido io 5.61 27,836 935,406 41,763
Ilokano Ilokano ilo 69.33 11,311 326,379 47,081
Icelandic Íslenska is 36.19 45,397 1,595,922 120,413
Italian Italiano it 155.61 1,448,718 98,247,586 5,863,671
Japanese 日本語 ja 80.64 1,113,173 69,065,599 3,297,427
Javanese Basa Jawa jv 26.82 54,908 1,448,022 144,853
Georgian ქართული ka 34.32 123,418 3,510,138 352,538
Kazakh Қазақша kk 9.24 222,047 2,629,627 522,980
Kannada ಕನ್ನಡ kn 78.64 23,538 852,355 92,185
Korean 한국어 ko 110.74 422,239 21,731,286 1,644,626
Kurdish Kurdî ku 27.67 23,548 704,255 59,571
Kirghiz Кыргызча ky 0.23 79,768 325,263 100,951
Latin Latina la 11.99 128,799 3,351,698 250,817
Luxembourgish Lëtzebuergesch lb 24.17 54,245 2,117,829 116,899
Limburgish Limburgs li 110.18 12,213 427,550 60,394
Lombard Lumbaart lmo 25.7 37,496 969,879 97,879
Lithuanian Lietuvių lt 22.81 188,644 5,399,003 448,263
Latvian Latviešu lv 80.13 86,502 2,893,027 359,449
Maithili मैथिली mai 11.6 12,507 175,581 30,160
Banyumasan Basa Banyumasan map-bms 9.59 13,327 206,153 28,737
Malagasy Malagasy mg 9.34 85,018 815,259 219,989
Minangkabau Bahaso Minangkabau min 0.913 222,211 1,563,762 317,936
Macedonian Македонски mk 109.43 95,276 3,747,197 434,765
Malayalam മലയാളം ml 218.99 57,398 2,835,919 360,046
Mongolian Монгол mn 54.27 18,188 549,847 63,843
Marathi मराठी mr 72.27 51,597 1,604,754 210,435
Hill Mari Кырык Мары (Kyryk Mary) mrj 1.58 10,267 93,950 15,505
Malay Bahasa Melayu ms 15 317,648 4,370,828 864,845
Burmese language မ္ရန္‌မာစာ my 6.53 39,100 412,100 84,264
Mazandarani مَزِروني mzn 7.51 12,711 145,570 27,977
Neapolitan Nnapulitano nap 16.5 14,547 649,519 26,479
Low Saxon Plattdüütsch nds 28.41 30,662 820,028 82,506
Nepali नेपाली ne 25.09 30,557 651,509 86,244
Newari नेवारी new 12.72 72,151 843,993 196,225
Dutch Nederlands nl 14.52 1,936,667 51,804,341 3,982,793
Norwegian (Nynorsk) Nynorsk nn 17.59 138,800 3,052,673 330,298
Norwegian (Bokmål) Norsk (Bokmål) no 39.57 491,385 18,652,204 1,310,818
Occitan Occitan oc 6.65 84,742 2,082,946 141,750
Oriya ଓଡ଼ିଆ or 57.95 14,030 323,530 60,037
Ossetian Иронау os 90.1 10,940 468,011 42,078
Punjabi ਪੰਜਾਬੀ pa 24.65 29,863 437,804 101,118
Polish Polski pl 28.28 1,290,797 53,752,054 2,879,642
Piedmontese Piemontèis pms 2.41 64,369 840,135 98,589
Western Panjabi شاہ مکھی پنجابی pnb 1.34 46,530 503,619 66,037
Portuguese Português pt 150.75 1,001,811 52,506,341 4,670,162
Quechua Runa Simi qu 28.17 20,720 632,997 52,340
Romanian Română ro 109.76 387,515 12,234,942 2,048,851
Russian Русский ru 134.06 1,484,384 93,742,022 5,735,765
Sanskrit संस्कृतम् sa 115.38 11,314 436,249 54,117
Sakha Саха тыла sah 50.55 11,620 340,808 39,883
Sicilian Sicilianu scn 16.41 26,044 723,864 55,170
Scots Scots sco 25 52,373 679,145 191,399
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 772.74 445,156 40,814,472 4,599,064
Sinhalese සිංහල si 79.52 14,773 424,107 67,218
Simple English Simple English simple 79.29 135,826 6,175,942 469,181
Slovak Slovenčina sk 18.8 226,489 6,672,003 493,639
Slovenian Slovenščina sl 24.56 161,779 5,010,374 383,610
Albanian Shqip sq 29.39 74,463 1,875,694 209,325
Serbian Српски sr 140.93 608,760 20,618,976 3,648,975
Sundanese Basa Sunda su 4.15 39,604 544,378 68,171
Swedish Svenska sv 5.98 3,781,270 43,193,770 7,682,103
Swahili Kiswahili sw 16.1 43,514 1,034,539 96,973
Tamil தமிழ் ta 27.55 117,259 2,549,177 343,023
Telugu తెలుగు te 58.25 69,353 2,415,558 234,155
Tajik Тоҷикӣ tg 4.33 94,474 1,007,956 176,786
Thai ไทย th 246.74 125,304 7,715,461 731,252
Tagalog Tagalog tl 24.1 81,827 1,642,597 233,160
Turkish Türkçe tr 204.6 312,063 19,773,480 1,569,729
Tatar Татарча tt 22.43 80,153 2,279,564 189,649
Ukrainian Українська uk 38.46 801,300 22,890,098 2,415,570
Urdu اردو ur 90.16 139,705 3,508,430 755,117
Uzbek O‘zbek uz 46.19 129,286 1,987,756 620,061
Venetian Vèneto vec 72.41 11,205 589,243 34,163
Vietnamese Tiếng Việt vi 329.59 1,182,550 41,137,534 13,465,453
Volapük Volapük vo 14.37 121,013 3,185,363 249,354
Walloon Walon wa 22.5 14,656 334,136 38,144
Waray-Waray Winaray war 3.51 1,263,146 6,190,380 2,876,171
Yiddish ייִדיש yi 40.78 14,443 531,331 39,633
Yoruba Yorùbá yo 4.81 31,679 514,131 54,249
Chinese 中文 zh 176.37 1,014,605 50,162,367 5,460,068
Min Nan Bân-lâm-gú zh-min-nan 12.4 226,988 1,895,988 719,290
Cantonese 粵語 zh-yue 16.71 67,612 1,206,634 171,928
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 909 94 224 28 81 156 15 151 203 134 6 176 40 42 30 38 205 110 14 42 58 17 19 67 117 248 224 111 23 141
1 Jan 2018 1011 97 222 27 80 132 14 148 204 149 6 175 38 45 31 39 221 103 15 42 59 17 19 66 125 254 219 115 23 133
1 July 2017 980 98 217 25 78 125 13 142 196 144 5 169 36 45 31 40 222 86 15 41 58 17 19 68 123 261 188 115 23 90
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.