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 957 = 21.11 × 45.35 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 30 43,564 1,578,147 105,158
Alemannic Alemannisch als 22.81 22,469 747,252 50,315
Amharic አማርኛ am 40.07 13,349 348,267 43,060
Aragonese Aragonés an 78.71 31,868 1,632,644 102,817
Arabic العربية ar 217.51 459,515 25,046,184 2,673,753
Egyptian Arabic مصرى arz 311.77 16,193 797,561 132,912
Asturian Asturianu ast 4.23 48,102 1,031,203 74,730
Azerbaijani Azərbaycanca az 35.1 113,162 4,006,827 295,211
South Azerbaijani تۆرکجه azb 2.7 13,466 122,020 23,174
Bashkir Башҡорт ba 21.15 36,918 655,117 104,826
Bavarian Boarisch bar 63.56 22,005 626,864 87,580
Samogitian Žemaitėška bat-smg 5.85 15,975 355,974 26,520
Belarusian Беларуская be 20.12 125,178 2,530,814 327,022
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 31.91 60,043 1,955,254 155,784
Bulgarian Български bg 24.09 225,968 8,088,492 502,362
Bengali বাংলা bn 455.24 47,232 2,551,094 487,984
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.48 25,068 806,048 57,512
Breton Brezhoneg br 14.55 60,935 1,813,533 120,965
Bosnian Bosanski bs 124.48 72,822 3,016,786 349,276
Buginese Basa Ugi bug 0.96 14,117 198,413 18,313
Catalan Català ca 31.19 531,878 18,416,293 1,330,241
Chechen Нохчийн ce 0.18 159,856 1,706,284 181,949
Cebuano Sinugboanong Binisaya ceb 1.1 3,816,654 12,408,492 6,772,005
Sorani کوردی ckb 115.5 18,348 536,969 105,931
Czech Čeština cs 40.24 371,875 14,564,749 985,549
Chuvash Чăваш cv 3.71 37,428 600,911 60,240
Welsh Cymraeg cy 42.18 89,990 5,756,922 198,517
Danish Dansk da 66.64 222,845 8,860,658 753,275
German Deutsch de 99.9 2,022,923 166,690,316 5,791,844
Greek Ελληνικά el 70.86 126,414 6,337,908 390,585
English English en 957.22 5,332,537 870,494,736 41,244,678
Esperanto Esperanto eo 16.8 236,626 6,163,049 517,677
Spanish Español es 190.98 1,309,694 96,048,239 5,730,761
Estonian Eesti et 28.66 153,489 4,690,181 390,640
Basque Euskara eu 18.7 274,541 5,859,793 678,550
Persian فارسی fa 213.81 520,160 23,545,512 3,418,148
Finnish Suomi fi 44.96 407,201 17,037,379 1,101,408
Faroese Føroyskt fo 36.59 12,413 341,772 37,179
French Français fr 213.41 1,834,627 136,304,546 8,545,170
West Frisian Frysk fy 22.36 36,869 852,954 95,079
Irish Gaeilge ga 5.18 39,155 842,995 63,650
Scottish Gaelic Gàidhlig gd 20.95 14,335 540,140 29,730
Galician Galego gl 24.81 135,490 4,267,218 320,422
Gujarati ગુજરાતી gu 16.4 26,759 464,480 68,320
Hebrew עברית he 256.76 201,081 20,898,859 851,437
Hindi हिन्दी hi 105.72 116,462 3,381,492 635,626
Croatian Hrvatski hr 30.47 171,729 5,002,356 458,795
Upper Sorbian Hornjoserbsce hsb 31.2 11,049 355,201 28,544
Haitian Krèyol ayisyen ht 0.53 51,075 695,577 62,168
Hungarian Magyar hu 57.87 402,116 19,011,584 1,156,589
Armenian Հայերեն hy 35.43 214,653 4,953,747 692,314
Interlingua Interlingua ia 6.36 19,765 559,827 31,605
Indonesian Bahasa Indonesia id 106.87 392,200 13,163,029 1,954,570
Ido Ido io 5.93 26,881 904,460 40,787
Ilokano Ilokano ilo 77.28 10,128 305,815 43,837
Icelandic Íslenska is 41.55 41,663 1,604,913 112,889
Italian Italiano it 122.36 1,328,522 90,763,902 4,657,559
Japanese 日本語 ja 76.78 1,046,407 63,723,044 3,053,507
Javanese Basa Jawa jv 22.61 49,693 1,130,153 129,771
Georgian ქართული ka 33.3 112,348 3,310,674 311,067
Kazakh Қазақша kk 8.83 217,797 2,624,512 500,396
Kannada ಕನ್ನಡ kn 55.63 21,586 672,194 75,569
Korean 한국어 ko 113.72 370,211 19,982,434 1,424,156
Kurdish Kurdî ku 29.55 22,634 711,034 57,676
Kirghiz Кыргызча ky 0.28 60,053 256,031 77,404
Latin Latina la 11.8 126,001 3,330,424 242,917
Luxembourgish Lëtzebuergesch lb 29.01 47,702 2,058,357 106,014
Limburgish Limburgs li 108.01 11,584 427,478 54,615
Lombard Lumbaart lmo 32.12 34,678 1,093,823 91,528
Lithuanian Lietuvių lt 21.81 180,777 5,308,185 417,555
Latvian Latviešu lv 82.65 75,192 2,721,908 303,419
Maithili मैथिली mai 6.73 10,083 107,324 21,896
Banyumasan Basa Banyumasan map-bms 8.56 13,280 210,099 27,286
Malagasy Malagasy mg 9.97 83,395 833,198 218,082
Minangkabau Bahaso Minangkabau min 0.883 221,966 1,539,185 316,577
Macedonian Македонски mk 139.2 88,048 4,350,113 405,026
Malayalam മലയാളം ml 253.71 47,349 2,495,060 315,567
Mongolian Монгол mn 46.83 16,473 515,192 52,436
Marathi मराठी mr 76.09 45,505 1,479,053 186,424
Hill Mari Кырык Мары (Kyryk Mary) mrj 1.12 10,164 91,765 14,425
Malay Bahasa Melayu ms 16.04 286,687 4,266,948 776,425
Burmese language မ္ရန္‌မာစာ my 4.33 33,931 351,596 64,084
Mazandarani مَزِروني mzn 6.59 12,363 138,272 26,165
Neapolitan Nnapulitano nap 18.04 14,429 699,428 26,317
Low Saxon Plattdüütsch nds 32.63 25,787 811,680 68,613
Nepali नेपाली ne 21.79 29,869 597,130 81,329
Newari नेवारी new 12.69 72,118 842,482 196,024
Dutch Nederlands nl 13.01 1,891,149 49,524,195 3,774,590
Norwegian (Nynorsk) Nynorsk nn 16.81 132,072 2,928,509 307,527
Norwegian (Bokmål) Norsk (Bokmål) no 36.23 460,261 17,026,816 1,193,850
Occitan Occitan oc 7.08 82,513 2,195,615 137,437
Oriya ଓଡ଼ିଆ or 57.7 12,134 264,038 53,701
Ossetian Иронау os 97.62 10,320 485,346 39,355
Punjabi ਪੰਜਾਬੀ pa 25 24,408 363,877 82,533
Polish Polski pl 24.1 1,203,796 48,170,370 2,568,462
Piedmontese Piemontèis pms 2.37 63,998 863,039 97,000
Western Panjabi شاہ مکھی پنجابی pnb 0.91 43,129 476,059 57,394
Portuguese Português pt 138.31 953,823 48,795,893 4,273,404
Quechua Runa Simi qu 32.54 19,957 662,581 51,782
Romanian Română ro 84.99 373,951 11,314,008 1,716,896
Russian Русский ru 139.68 1,367,570 95,537,837 5,103,077
Sanskrit संस्कृतम् sa 111.88 10,203 405,036 46,944
Sakha Саха тыла sah 52.36 11,032 351,108 36,915
Sicilian Sicilianu scn 20.73 25,377 754,039 57,201
Scots Scots sco 26.15 41,905 580,628 151,302
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 794.23 437,050 40,733,171 4,556,614
Sinhalese සිංහල si 86.22 13,190 399,206 61,107
Simple English Simple English simple 174.82 122,584 12,968,014 411,196
Slovak Slovenčina sk 18.72 215,855 6,451,567 467,180
Slovenian Slovenščina sl 24.85 154,349 4,929,829 363,178
Albanian Shqip sq 30.62 63,806 1,845,307 171,413
Serbian Српски sr 71.16 344,305 12,713,475 1,257,944
Sundanese Basa Sunda su 20.67 19,173 497,020 45,568
Swedish Svenska sv 5.08 3,782,160 38,637,982 7,552,712
Swahili Kiswahili sw 23.45 35,036 1,030,361 83,271
Tamil தமிழ் ta 32.44 90,856 2,256,278 269,797
Telugu తెలుగు te 46.47 66,352 2,042,750 212,111
Tajik Тоҷикӣ tg 6.33 67,615 842,564 135,980
Thai ไทย th 229.99 114,399 7,158,213 628,458
Tagalog Tagalog tl 37.4 65,822 1,618,089 211,281
Turkish Türkçe tr 215 289,702 19,035,895 1,470,248
Tatar Татарча tt 25.68 70,107 2,185,477 168,865
Ukrainian Українська uk 39.24 674,548 19,766,220 2,028,079
Urdu اردو ur 170.02 111,284 5,340,667 596,041
Uzbek O‘zbek uz 61.53 128,795 2,652,701 615,380
Venetian Vèneto vec 77.06 10,865 600,043 33,351
Vietnamese Tiếng Việt vi 29.86 1,153,029 26,240,443 3,431,399
Volapük Volapük vo 15.22 120,470 3,311,130 249,456
Walloon Walon wa 22.34 14,364 331,132 37,083
Waray-Waray Winaray war 3.57 1,262,077 6,292,431 2,872,727
Yiddish ייִדיש yi 44.49 13,676 533,453 38,032
Yoruba Yorùbá yo 5.35 31,510 561,741 54,140
Chinese 中文 zh 166.27 921,739 44,163,636 4,867,525
Min Nan Bân-lâm-gú zh-min-nan 10.54 202,492 1,547,731 617,934
Cantonese 粵語 zh-yue 24.87 50,486 1,100,795 140,392
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 957 100 213 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.