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 1006 = 21.12 × 47.6 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 1070 = 155.76 × 6.87.

The Chechen Wikipedia has the smallest depth, at 0.222 = 11.64 × 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. 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 27.95 47,465 1,659,608 112,915
Alemannic Alemannisch als 26.63 23,552 801,930 55,535
Amharic አማርኛ am 38.52 13,899 356,278 44,328
Aragonese Aragonés an 77.18 32,458 1,643,096 104,305
Arabic العربية ar 205.81 546,997 28,382,673 3,169,183
Egyptian Arabic مصرى arz 306.83 17,482 831,973 145,575
Asturian Asturianu ast 4.8 53,509 1,175,317 85,055
Azerbaijani Azərbaycanca az 32.9 128,447 4,349,560 331,981
South Azerbaijani تۆرکجه azb 0.4 48,790 233,069 64,728
Bashkir Башҡорт ba 23.69 40,492 767,082 117,677
Bavarian Boarisch bar 63.21 23,556 661,303 94,268
Samogitian Žemaitėška bat-smg 6.14 16,180 358,408 27,228
Belarusian Беларуская be 33.14 147,385 3,075,470 483,932
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 33.34 61,601 2,013,048 162,726
Bulgarian Български bg 24.53 236,440 8,619,328 525,592
Bengali বাংলা bn 438.15 53,557 2,875,996 538,772
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.97 25,079 811,554 57,863
Breton Brezhoneg br 14.08 63,300 1,852,097 124,998
Bosnian Bosanski bs 116.41 76,564 3,092,504 357,391
Buginese Basa Ugi bug 1.09 14,123 200,010 18,613
Catalan Català ca 30.77 562,498 19,546,623 1,396,573
Chechen Нохчийн ce 0.22 164,576 2,179,544 187,318
Cebuano Sinugboanong Binisaya ceb 0.83 5,382,952 16,803,654 8,963,441
Sorani کوردی ckb 112.07 19,962 582,902 113,009
Czech Čeština cs 41.5 393,302 15,535,230 1,052,908
Chuvash Чăваш cv 4.52 40,743 634,225 69,415
Welsh Cymraeg cy 53.01 92,749 7,451,343 204,662
Danish Dansk da 66.44 232,923 9,276,366 785,361
German Deutsch de 97.24 2,121,660 175,490,430 5,985,647
Greek Ελληνικά el 67.56 139,719 6,851,605 426,112
English English en 1005.51 5,511,783 919,695,254 43,540,289
Esperanto Esperanto eo 16.97 242,604 6,296,051 533,539
Spanish Español es 203.03 1,365,321 103,153,346 6,093,698
Estonian Eesti et 28.04 164,102 4,938,675 416,436
Basque Euskara eu 18.65 285,624 6,164,961 701,786
Persian فارسی fa 216.04 579,808 26,397,590 3,823,007
Finnish Suomi fi 44.75 425,213 17,730,375 1,149,500
Faroese Føroyskt fo 36.21 12,622 345,427 37,723
French Français fr 219.6 1,928,531 145,083,253 9,076,678
West Frisian Frysk fy 29.98 39,351 932,042 115,043
Irish Gaeilge ga 5.31 44,639 890,282 74,369
Scottish Gaelic Gàidhlig gd 22.14 14,615 552,482 30,872
Galician Galego gl 27.82 142,585 4,654,712 348,319
Gujarati ગુજરાતી gu 20.5 27,453 526,004 74,103
Hebrew עברית he 253.11 215,571 22,881,225 893,179
Hindi हिन्दी hi 121.41 122,052 3,723,699 708,778
Croatian Hrvatski hr 29.29 179,021 5,139,634 472,915
Upper Sorbian Hornjoserbsce hsb 27.93 12,382 367,996 31,539
Haitian Krèyol ayisyen ht 0.55 51,570 702,426 63,026
Hungarian Magyar hu 59.42 420,244 19,985,091 1,220,883
Armenian Հայերեն hy 38.31 235,404 5,532,696 783,850
Interlingua Interlingua ia 6.36 20,567 590,067 32,794
Indonesian Bahasa Indonesia id 124.85 414,034 14,313,836 2,247,011
Ido Ido io 5.76 27,337 920,075 41,228
Ilokano Ilokano ilo 76.58 10,860 328,086 46,726
Icelandic Íslenska is 38.57 43,757 1,627,095 116,464
Italian Italiano it 129.91 1,397,843 97,896,524 4,997,708
Japanese 日本語 ja 79.84 1,083,672 67,288,278 3,192,870
Javanese Basa Jawa jv 28.69 50,405 1,373,164 135,086
Georgian ქართული ka 33.96 118,641 3,495,611 331,583
Kazakh Қазақша kk 9.16 219,949 2,679,328 510,591
Kannada ಕನ್ನಡ kn 61.76 22,561 726,117 82,226
Korean 한국어 ko 114.01 401,623 21,815,482 1,541,595
Kurdish Kurdî ku 29.77 23,084 724,087 59,052
Kirghiz Кыргызча ky 0.19 80,116 311,931 99,934
Latin Latina la 12.1 127,438 3,397,940 246,931
Luxembourgish Lëtzebuergesch lb 27.57 50,629 2,137,130 111,294
Limburgish Limburgs li 114.39 12,072 437,914 59,774
Lombard Lumbaart lmo 30.71 36,426 1,111,525 95,633
Lithuanian Lietuvių lt 22.89 184,084 5,445,071 432,202
Latvian Latviešu lv 81.96 79,961 2,833,025 325,243
Maithili मैथिली mai 7.68 12,002 134,185 26,895
Banyumasan Basa Banyumasan map-bms 8.66 13,291 210,687 27,393
Malagasy Malagasy mg 9.86 84,710 854,300 219,524
Minangkabau Bahaso Minangkabau min 0.887 222,083 1,541,613 316,907
Macedonian Македонски mk 135.54 91,156 4,427,727 416,730
Malayalam മലയാളം ml 232.43 52,832 2,641,276 343,151
Mongolian Монгол mn 50.77 17,652 544,488 59,086
Marathi मराठी mr 75.92 49,017 1,565,980 202,657
Hill Mari Кырык Мары (Kyryk Mary) mrj 1.36 10,265 93,249 15,074
Malay Bahasa Melayu ms 15.98 305,320 4,536,064 826,318
Burmese language မ္ရန္‌မာစာ my 5.43 37,666 387,615 76,692
Mazandarani مَزِروني mzn 6.99 12,577 141,686 27,130
Neapolitan Nnapulitano nap 17.76 14,484 700,768 26,313
Low Saxon Plattdüütsch nds 33.25 27,031 828,896 73,416
Nepali नेपाली ne 23.84 30,242 624,704 84,575
Newari नेवारी new 12.7 72,141 843,038 196,142
Dutch Nederlands nl 13.71 1,915,783 51,490,385 3,857,640
Norwegian (Nynorsk) Nynorsk nn 17.43 135,545 2,990,816 320,912
Norwegian (Bokmål) Norsk (Bokmål) no 37.94 478,550 17,959,536 1,258,999
Occitan Occitan oc 7.02 83,760 2,218,448 139,367
Oriya ଓଡ଼ିଆ or 57.2 13,284 297,638 57,406
Ossetian Иронау os 97.79 10,531 488,947 40,504
Punjabi ਪੰਜਾਬੀ pa 25.01 27,240 404,631 92,309
Polish Polski pl 26.55 1,250,697 50,868,630 2,748,765
Piedmontese Piemontèis pms 2.47 64,218 868,053 98,136
Western Panjabi شاہ مکھی پنجابی pnb 1.27 45,319 520,528 63,103
Portuguese Português pt 146.66 982,815 51,491,691 4,502,357
Quechua Runa Simi qu 31.82 20,320 665,451 52,523
Romanian Română ro 88.34 380,400 11,764,679 1,765,345
Russian Русский ru 146.84 1,434,008 101,351,043 5,471,508
Sanskrit संस्कृतम् sa 102.93 11,197 426,369 50,161
Sakha Саха тыла sah 52.15 11,433 358,016 38,514
Sicilian Sicilianu scn 18.09 25,740 762,054 55,207
Scots Scots sco 25.55 47,200 636,376 170,789
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 786.88 440,811 40,819,087 4,585,107
Sinhalese සිංහල si 84.84 14,102 419,761 65,355
Simple English Simple English simple 76.58 129,252 5,857,475 438,844
Slovak Slovenčina sk 18.51 223,922 6,603,218 485,058
Slovenian Slovenščina sl 24.99 158,969 5,072,793 375,053
Albanian Shqip sq 29.94 70,356 1,939,231 191,246
Serbian Српски sr 137.22 358,870 15,922,502 1,754,177
Sundanese Basa Sunda su 4.16 39,282 553,292 67,213
Swedish Svenska sv 5.66 3,789,531 42,029,692 7,632,563
Swahili Kiswahili sw 21.13 38,622 1,060,520 90,474
Tamil தமிழ் ta 26.52 113,725 2,526,903 323,158
Telugu తెలుగు te 51.81 67,940 2,238,941 221,881
Tajik Тоҷикӣ tg 4.39 87,072 1,002,750 159,927
Thai ไทย th 244.92 120,176 7,659,595 680,941
Tagalog Tagalog tl 21.65 85,636 1,691,562 233,769
Turkish Türkçe tr 221.06 301,406 20,306,237 1,532,486
Tatar Татарча tt 24.99 73,598 2,237,929 177,109
Ukrainian Українська uk 38.75 747,412 21,605,955 2,248,212
Urdu اردو ur 169.3 125,251 5,700,020 693,851
Uzbek O‘zbek uz 61.8 129,102 2,670,102 616,943
Venetian Vèneto vec 76.26 11,015 603,230 33,777
Vietnamese Tiếng Việt vi 185.6 1,163,673 34,368,556 9,497,468
Volapük Volapük vo 15.12 120,629 3,313,323 249,290
Walloon Walon wa 22.55 14,622 338,128 37,857
Waray-Waray Winaray war 3.57 1,262,939 6,299,362 2,874,364
Yiddish ייִדיש yi 43.26 14,162 543,480 39,168
Yoruba Yorùbá yo 5.43 31,611 564,202 54,502
Chinese 中文 zh 174.5 976,198 48,191,104 5,220,448
Min Nan Bân-lâm-gú zh-min-nan 12.25 225,337 1,893,903 707,277
Cantonese 粵語 zh-yue 18.64 62,142 1,180,904 161,306
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 1006 97 220 27 80 130 14 147 203 147 6 174 38 45 31 39 221 88 15 41 59 17 19 66 125 253 206 114 23 137
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.