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 972 = 21.12 × 46.04 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 1071 = 156.01 × 6.86.

The smallest depth has Chechen Wikipedia which has the depth 0.169 = 9.27 × 0.018.

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 29.39 44,541 1,598,869 107,015
Alemannic Alemannisch als 22.7 22,765 766,828 50,635
Amharic አማርኛ am 40.02 13,414 349,753 43,257
Aragonese Aragonés an 78.56 32,007 1,635,734 103,295
Arabic العربية ar 180.6 519,626 25,950,071 2,822,759
Egyptian Arabic مصرى arz 308.38 16,656 807,499 137,238
Asturian Asturianu ast 4.2 48,808 1,041,739 75,770
Azerbaijani Azərbaycanca az 34.5 117,145 4,109,223 304,420
South Azerbaijani تۆرکجه azb 1.9 16,850 140,898 27,004
Bashkir Башҡорт ba 21.17 38,734 691,171 109,762
Bavarian Boarisch bar 63.23 22,415 636,398 89,111
Samogitian Žemaitėška bat-smg 6.02 16,064 357,207 26,875
Belarusian Беларуская be 25.73 142,907 2,696,337 433,594
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 32.12 60,674 1,970,504 158,062
Bulgarian Български bg 24.19 229,610 8,247,920 510,562
Bengali বাংলা bn 453.03 49,915 2,708,353 511,716
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.53 25,070 806,213 57,564
Breton Brezhoneg br 14.22 61,947 1,824,414 122,458
Bosnian Bosanski bs 121 74,257 3,038,505 352,458
Buginese Basa Ugi bug 0.99 14,120 198,597 18,395
Catalan Català ca 31.16 540,897 18,755,516 1,351,364
Chechen Нохчийн ce 0.17 164,238 1,728,481 186,408
Cebuano Sinugboanong Binisaya ceb 1.14 4,300,174 14,114,727 7,698,207
Sorani کوردی ckb 112.42 18,976 549,912 108,238
Czech Čeština cs 40.84 379,163 14,911,601 1,009,670
Chuvash Чăваш cv 4.05 40,051 620,054 66,433
Welsh Cymraeg cy 43.67 91,153 6,072,753 200,644
Danish Dansk da 67.55 225,683 9,030,324 765,839
German Deutsch de 97.93 2,056,873 169,706,355 5,829,348
Greek Ελληνικά el 70.37 130,327 6,493,975 402,496
English English en 972.22 5,394,433 886,832,778 41,997,608
Esperanto Esperanto eo 16.83 238,813 6,222,609 522,734
Spanish Español es 193.79 1,331,142 98,393,928 5,849,163
Estonian Eesti et 28.37 156,740 4,760,798 398,163
Basque Euskara eu 18.47 279,676 5,968,549 687,633
Persian فارسی fa 211.21 539,415 24,410,192 3,513,587
Finnish Suomi fi 44.86 413,168 17,277,978 1,116,727
Faroese Føroyskt fo 36.27 12,528 343,223 37,452
French Français fr 216 1,865,480 139,316,896 8,727,838
West Frisian Frysk fy 24.51 37,542 872,683 100,664
Irish Gaeilge ga 5.07 39,675 848,744 64,252
Scottish Gaelic Gàidhlig gd 21.19 14,387 543,153 29,936
Galician Galego gl 26.37 138,649 4,410,940 334,786
Gujarati ગુજરાતી gu 17.23 27,121 489,083 69,582
Hebrew עברית he 260.86 205,212 21,533,417 872,307
Hindi हिन्दी hi 112.17 118,862 3,569,213 660,320
Croatian Hrvatski hr 30.24 173,613 5,048,040 462,662
Upper Sorbian Hornjoserbsce hsb 29.78 11,388 358,315 29,098
Haitian Krèyol ayisyen ht 0.53 51,226 698,042 62,343
Hungarian Magyar hu 58 409,108 19,335,032 1,178,244
Armenian Հայերեն hy 35.65 219,386 5,131,330 704,831
Interlingua Interlingua ia 5.38 20,564 579,645 31,718
Indonesian Bahasa Indonesia id 123.72 399,779 13,884,330 2,149,380
Ido Ido io 5.72 27,008 910,534 40,663
Ilokano Ilokano ilo 74.69 10,665 315,516 45,771
Icelandic Íslenska is 40.77 42,279 1,614,170 114,035
Italian Italiano it 123.85 1,352,240 92,617,283 4,765,993
Japanese 日本語 ja 77.31 1,058,466 64,898,145 3,088,795
Javanese Basa Jawa jv 22.99 49,890 1,143,554 130,782
Georgian ქართული ka 33.17 115,190 3,373,598 319,271
Kazakh Қазақша kk 8.94 218,600 2,648,068 503,698
Kannada ಕನ್ನಡ kn 56.25 21,949 690,020 76,909
Korean 한국어 ko 114.1 379,620 20,502,924 1,462,731
Kurdish Kurdî ku 29.73 22,778 716,299 58,168
Kirghiz Кыргызча ky 0.25 65,467 269,147 83,719
Latin Latina la 11.83 126,520 3,351,467 243,914
Luxembourgish Lëtzebuergesch lb 28.26 48,632 2,069,779 107,568
Limburgish Limburgs li 106.02 11,689 429,398 54,611
Lombard Lumbaart lmo 32.25 35,063 1,098,974 92,984
Lithuanian Lietuvių lt 22.23 181,707 5,352,831 422,362
Latvian Latviešu lv 82.02 76,968 2,763,771 310,684
Maithili मैथिली mai 7.4 10,776 117,465 24,034
Banyumasan Basa Banyumasan map-bms 8.58 13,285 210,312 27,312
Malagasy Malagasy mg 9.99 83,444 836,594 218,126
Minangkabau Bahaso Minangkabau min 0.884 221,976 1,539,582 316,630
Macedonian Македонски mk 137.42 89,325 4,375,295 409,778
Malayalam മലയാളം ml 239.45 49,981 2,554,118 326,505
Mongolian Монгол mn 45.76 17,058 526,084 54,040
Marathi मराठी mr 76.25 47,238 1,516,287 195,253
Hill Mari Кырык Мары (Kyryk Mary) mrj 1.13 10,165 91,863 14,449
Malay Bahasa Melayu ms 16.39 288,388 4,325,783 785,994
Burmese language မ္ရန္‌မာစာ my 4.73 35,503 366,374 69,003
Mazandarani مَزِروني mzn 6.62 12,388 138,713 26,260
Neapolitan Nnapulitano nap 17.73 14,449 700,017 26,225
Low Saxon Plattdüütsch nds 33 26,046 816,207 69,800
Nepali नेपाली ne 21.92 30,294 607,906 82,556
Newari नेवारी new 12.69 72,129 842,688 196,057
Dutch Nederlands nl 13.19 1,899,904 50,113,173 3,799,794
Norwegian (Nynorsk) Nynorsk nn 17.5 133,155 2,953,181 315,098
Norwegian (Bokmål) Norsk (Bokmål) no 36.2 466,328 17,271,717 1,208,535
Occitan Occitan oc 7.02 83,289 2,207,614 138,556
Oriya ଓଡ଼ିଆ or 55.76 12,624 270,960 55,153
Ossetian Иронау os 96.73 10,461 487,316 39,901
Punjabi ਪੰਜਾਬੀ pa 24.73 25,591 380,581 86,132
Polish Polski pl 24.84 1,219,200 49,096,431 2,623,878
Piedmontese Piemontèis pms 2.42 64,104 865,014 97,629
Western Panjabi شاہ مکھی پنجابی pnb 1.09 44,145 510,704 59,975
Portuguese Português pt 140.17 966,698 49,671,930 4,355,880
Quechua Runa Simi qu 32.13 20,130 663,589 52,103
Romanian Română ro 85.59 375,959 11,441,480 1,727,512
Russian Русский ru 141.67 1,390,380 97,434,310 5,221,308
Sanskrit संस्कृतम् sa 95.65 11,148 421,671 47,891
Sakha Саха тыла sah 50.82 11,273 353,792 37,401
Sicilian Sicilianu scn 20.22 25,380 755,121 56,632
Scots Scots sco 26.41 44,446 611,926 161,954
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 789.98 438,443 40,756,118 4,560,814
Sinhalese සිංහල si 87.7 13,291 405,592 61,926
Simple English Simple English simple 76.44 124,426 5,657,244 421,291
Slovak Slovenčina sk 19.11 217,558 6,513,431 474,140
Slovenian Slovenščina sl 24.86 156,175 4,997,839 367,274
Albanian Shqip sq 32.17 64,988 1,877,988 178,683
Serbian Српски sr 74.94 347,946 12,923,065 1,305,183
Sundanese Basa Sunda su 16.42 21,620 518,144 48,394
Swedish Svenska sv 5.23 3,786,351 39,616,134 7,573,597
Swahili Kiswahili sw 23.15 35,845 1,038,037 85,272
Tamil தமிழ் ta 28.6 99,793 2,345,663 286,222
Telugu తెలుగు te 47.64 66,787 2,085,343 214,701
Tajik Тоҷикӣ tg 6.68 67,864 866,251 137,815
Thai ไทย th 235.47 116,099 7,318,171 644,999
Tagalog Tagalog tl 34.79 68,360 1,635,105 214,347
Turkish Türkçe tr 220.11 291,413 19,525,490 1,482,881
Tatar Татарча tt 25.58 71,078 2,197,622 171,502
Ukrainian Українська uk 39.72 693,348 20,382,170 2,094,049
Urdu اردو ur 157.55 122,144 5,500,873 648,581
Uzbek O‘zbek uz 61.66 128,860 2,657,389 616,023
Venetian Vèneto vec 76.91 10,888 600,678 33,405
Vietnamese Tiếng Việt vi 30.75 1,155,761 26,627,181 3,469,195
Volapük Volapük vo 15.14 120,492 3,311,927 249,085
Walloon Walon wa 22.19 14,464 332,484 37,277
Waray-Waray Winaray war 3.57 1,262,437 6,295,406 2,873,509
Yiddish ייִדיש yi 43.7 13,865 536,567 38,378
Yoruba Yorùbá yo 5.35 31,552 562,324 54,221
Chinese 中文 zh 167.65 938,573 45,377,994 4,953,921
Min Nan Bân-lâm-gú zh-min-nan 11.12 205,120 1,671,778 622,574
Cantonese 粵語 zh-yue 23.52 52,954 1,122,955 145,350
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 972 98 216 25 77 124 13 140 194 142 5 168 36 45 31 40 220 86 15 41 58 17 19 68 124 261 181 114 22 75
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.