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 1002 = 21.11 × 47.47 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 = 155.77 × 6.87.

The Chechen Wikipedia has the smallest depth, at 0.222 = 11.62 × 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 27.9 47,177 1,653,004 112,055
Alemannic Alemannisch als 26.73 23,412 798,855 55,239
Amharic አማርኛ am 38.6 13,865 355,653 44,252
Aragonese Aragonés an 77.24 32,416 1,641,823 104,180
Arabic العربية ar 200.56 543,450 27,883,566 3,116,401
Egyptian Arabic مصرى arz 307.05 17,372 829,041 144,425
Asturian Asturianu ast 4.86 52,177 1,144,375 83,175
Azerbaijani Azərbaycanca az 33.4 126,822 4,313,862 329,507
South Azerbaijani تۆرکجه azb 0.3 47,479 223,548 59,871
Bashkir Башҡорт ba 23.82 40,070 761,223 116,606
Bavarian Boarisch bar 61.15 23,218 651,418 91,125
Samogitian Žemaitėška bat-smg 6.13 16,151 358,202 27,167
Belarusian Беларуская be 32.17 146,788 2,989,349 480,647
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 33.1 61,507 2,005,616 162,121
Bulgarian Български bg 24.5 235,305 8,561,780 523,192
Bengali বাংলা bn 441.03 52,854 2,849,869 532,774
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.96 25,079 811,483 57,855
Breton Brezhoneg br 14.08 63,157 1,849,582 124,693
Bosnian Bosanski bs 117.72 75,950 3,084,271 355,862
Buginese Basa Ugi bug 1.07 14,131 199,921 18,598
Catalan Català ca 30.69 558,862 19,350,598 1,388,020
Chechen Нохчийн ce 0.22 164,487 2,175,026 187,237
Cebuano Sinugboanong Binisaya ceb 0.79 5,382,720 16,022,167 8,961,090
Sorani کوردی ckb 112.88 19,823 580,239 112,601
Czech Čeština cs 41.36 391,477 15,434,131 1,047,280
Chuvash Чăваш cv 4.5 40,704 633,412 69,246
Welsh Cymraeg cy 51.21 92,603 7,198,662 204,221
Danish Dansk da 66.43 232,258 9,245,574 783,218
German Deutsch de 97.4 2,111,205 174,567,718 5,961,590
Greek Ελληνικά el 68.62 137,724 6,807,943 421,647
English English en 1001.99 5,494,232 914,994,370 43,348,805
Esperanto Esperanto eo 16.91 242,170 6,285,316 531,872
Spanish Español es 201.23 1,359,083 102,367,003 6,043,471
Estonian Eesti et 27.92 162,479 4,892,433 411,454
Basque Euskara eu 18.67 284,437 6,136,275 699,386
Persian فارسی fa 215.25 577,403 26,208,766 3,805,271
Finnish Suomi fi 44.75 423,594 17,666,260 1,144,959
Faroese Føroyskt fo 36.19 12,611 345,185 37,676
French Français fr 218.61 1,919,458 144,059,795 9,021,571
West Frisian Frysk fy 29.96 39,246 929,780 114,699
Irish Gaeilge ga 5.23 44,299 886,403 73,447
Scottish Gaelic Gàidhlig gd 22.13 14,600 552,127 30,829
Galician Galego gl 27.72 141,859 4,627,329 346,129
Gujarati ગુજરાતી gu 19.55 27,432 507,748 73,619
Hebrew עברית he 251.93 214,187 22,713,322 885,402
Hindi हिन्दी hi 119.98 121,639 3,704,064 701,468
Croatian Hrvatski hr 29.45 178,193 5,127,546 471,374
Upper Sorbian Hornjoserbsce hsb 27.97 12,354 367,636 31,471
Haitian Krèyol ayisyen ht 0.55 51,555 702,140 62,985
Hungarian Magyar hu 58.82 418,571 19,889,401 1,210,529
Armenian Հայերեն hy 38.36 233,152 5,480,503 776,773
Interlingua Interlingua ia 6.34 20,561 589,139 32,767
Indonesian Bahasa Indonesia id 124.81 411,910 14,247,883 2,234,128
Ido Ido io 5.77 27,295 918,615 41,174
Ilokano Ilokano ilo 76.59 10,855 327,971 46,703
Icelandic Íslenska is 38.63 43,637 1,624,745 116,150
Italian Italiano it 128.95 1,390,079 97,325,249 4,950,013
Japanese 日本語 ja 79.69 1,080,092 66,947,829 3,182,163
Javanese Basa Jawa jv 27.97 50,311 1,342,441 134,550
Georgian ქართული ka 33.85 118,011 3,477,149 329,306
Kazakh Қазақша kk 9.12 219,681 2,673,640 509,153
Kannada ಕನ್ನಡ kn 62.12 22,256 721,044 81,079
Korean 한국어 ko 113.5 399,672 21,651,758 1,532,468
Kurdish Kurdî ku 29.79 23,058 723,553 58,994
Kirghiz Кыргызча ky 0.18 80,579 309,018 100,315
Latin Latina la 12.06 127,353 3,393,020 246,585
Luxembourgish Lëtzebuergesch lb 27.49 50,485 2,129,247 110,889
Limburgish Limburgs li 114.56 12,048 437,191 59,702
Lombard Lumbaart lmo 30.9 36,273 1,110,243 95,367
Lithuanian Lietuvių lt 22.88 183,370 5,430,089 430,242
Latvian Latviešu lv 81.95 79,487 2,821,073 322,939
Maithili मैथिली mai 7.63 11,848 132,733 26,463
Banyumasan Basa Banyumasan map-bms 8.65 13,297 210,630 27,400
Malagasy Malagasy mg 9.86 84,697 854,098 219,505
Minangkabau Bahaso Minangkabau min 0.886 222,030 1,541,144 316,801
Macedonian Македонски mk 135.77 90,877 4,419,722 415,570
Malayalam മലയാളം ml 233.24 52,509 2,632,846 341,198
Mongolian Монгол mn 48.66 17,586 539,486 57,706
Marathi मराठी mr 75.9 48,795 1,559,710 201,640
Hill Mari Кырык Мары (Kyryk Mary) mrj 1.34 10,265 93,201 15,043
Malay Bahasa Melayu ms 15.83 304,348 4,513,768 820,719
Burmese language မ္ရန္‌မာစာ my 5.32 37,507 385,147 75,928
Mazandarani مَزِروني mzn 6.95 12,567 141,394 27,057
Neapolitan Nnapulitano nap 17.75 14,476 700,644 26,291
Low Saxon Plattdüütsch nds 33.41 26,815 826,934 72,803
Nepali नेपाली ne 23.75 30,151 622,556 84,191
Newari नेवारी new 12.7 72,139 843,005 196,137
Dutch Nederlands nl 13.72 1,913,612 51,296,358 3,857,467
Norwegian (Nynorsk) Nynorsk nn 17.46 135,251 2,986,507 320,348
Norwegian (Bokmål) Norsk (Bokmål) no 37.3 476,809 17,860,418 1,245,957
Occitan Occitan oc 7.02 83,635 2,216,621 139,169
Oriya ଓଡ଼ିଆ or 56.97 13,185 294,202 56,981
Ossetian Иронау os 97.61 10,528 488,843 40,447
Punjabi ਪੰਜਾਬੀ pa 25.01 27,024 401,668 91,538
Polish Polski pl 25.73 1,245,010 50,558,629 2,705,986
Piedmontese Piemontèis pms 2.47 64,203 867,725 98,097
Western Panjabi شاہ مکھی پنجابی pnb 1.24 45,265 519,724 62,744
Portuguese Português pt 145.65 980,205 51,171,713 4,480,623
Quechua Runa Simi qu 31.92 20,288 665,306 52,481
Romanian Română ro 87.48 379,696 11,720,811 1,753,219
Russian Русский ru 145.96 1,427,504 100,714,675 5,433,242
Sanskrit संस्कृतम् sa 101.85 11,192 425,676 49,840
Sakha Саха тыла sah 52.04 11,419 357,755 38,411
Sicilian Sicilianu scn 18.31 25,674 759,651 55,325
Scots Scots sco 25.62 46,827 633,389 169,421
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 788.63 440,276 40,813,787 4,583,805
Sinhalese සිංහල si 86.91 13,845 417,425 64,634
Simple English Simple English simple 75.64 128,630 5,810,835 434,565
Slovak Slovenčina sk 18.56 223,199 6,590,158 483,754
Slovenian Slovenščina sl 24.95 158,559 5,061,214 373,819
Albanian Shqip sq 30.07 69,420 1,921,918 188,698
Serbian Српски sr 137.73 357,344 15,873,427 1,749,707
Sundanese Basa Sunda su 4.22 38,824 551,331 66,514
Swedish Svenska sv 5.56 3,789,487 41,388,416 7,626,717
Swahili Kiswahili sw 21.54 38,105 1,057,660 89,570
Tamil தமிழ் ta 26.22 113,499 2,513,102 321,279
Telugu తెలుగు te 50.73 67,672 2,196,068 220,359
Tajik Тоҷикӣ tg 1.94 116,370 946,476 188,714
Thai ไทย th 243.95 119,625 7,617,051 676,408
Tagalog Tagalog tl 22.32 84,363 1,686,642 232,277
Turkish Türkçe tr 221.11 300,152 20,192,774 1,527,833
Tatar Татарча tt 25.11 73,049 2,231,625 175,770
Ukrainian Українська uk 38.69 741,751 21,446,238 2,229,394
Urdu اردو ur 170.15 124,566 5,677,956 691,680
Uzbek O‘zbek uz 61.76 129,088 2,668,470 616,832
Venetian Vèneto vec 76.49 10,986 602,630 33,712
Vietnamese Tiếng Việt vi 128.28 1,162,428 32,192,495 7,529,706
Volapük Volapük vo 15.12 120,625 3,313,203 249,284
Walloon Walon wa 22.52 14,620 337,871 37,837
Waray-Waray Winaray war 3.57 1,262,912 6,298,552 2,874,192
Yiddish ייִדיש yi 43.29 14,129 542,519 39,081
Yoruba Yorùbá yo 5.41 31,593 563,779 54,423
Chinese 中文 zh 175.31 968,319 47,803,375 5,194,712
Min Nan Bân-lâm-gú zh-min-nan 12.29 224,769 1,890,897 706,447
Cantonese 粵語 zh-yue 18.91 61,288 1,173,308 159,577
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 1002 97 219 26 80 129 14 146 201 146 6 175 37 45 31 39 221 87 15 41 59 17 19 66 125 252 201 114 23 138
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.