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 1017 = 21.18 × 48.01 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 = 155.46 × 6.9.

The Chechen Wikipedia has the smallest depth, at 0.287 = 13.66 × 0.021.

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 27.84 48,928 1,646,509 118,053
Alemannic Alemannisch als 24.74 24,052 807,943 55,369
Amharic አማርኛ am 35.16 14,119 345,076 44,020
Aragonese Aragonés an 74.26 32,721 1,603,770 104,801
Arabic العربية ar 233.13 560,114 30,294,177 3,443,412
Egyptian Arabic مصرى arz 294.31 17,836 796,823 151,065
Asturian Asturianu ast 5.16 59,983 1,238,986 98,369
Azerbaijani Azərbaycanca az 30.7 132,066 4,226,633 339,459
South Azerbaijani تۆرکجه azb 0.8 68,177 308,722 102,251
Bashkir Башҡорт ba 23.6 41,339 782,235 119,987
Bavarian Boarisch bar 53.97 25,547 680,650 96,045
Samogitian Žemaitėška bat-smg 5.87 16,239 342,727 27,353
Belarusian Беларуская be 32.01 151,572 3,093,381 494,423
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 32.02 62,230 1,951,151 164,463
Bulgarian Български bg 24.51 239,574 8,764,098 531,714
Bengali বাংলা bn 417.14 56,235 2,914,481 559,439
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.31 25,080 780,064 58,134
Breton Brezhoneg br 13.33 63,917 1,780,058 125,995
Bosnian Bosanski bs 109.36 77,101 2,900,449 361,918
Buginese Basa Ugi bug 1.04 14,113 191,439 18,608
Catalan Català ca 30.66 573,226 20,046,176 1,417,218
Chechen Нохчийн ce 0.29 164,752 2,576,172 188,637
Cebuano Sinugboanong Binisaya ceb 1.01 5,383,105 20,496,116 8,964,032
Sorani کوردی ckb 98.95 20,977 559,725 115,947
Czech Čeština cs 41.61 400,786 15,844,496 1,073,795
Chuvash Чăваш cv 4.45 41,047 623,530 70,087
Welsh Cymraeg cy 30.83 96,209 4,658,599 209,490
Danish Dansk da 66.29 235,390 9,383,509 792,281
German Deutsch de 96.3 2,156,126 178,588,207 6,050,787
Greek Ελληνικά el 66.28 143,280 6,868,302 437,758
English English en 1016.56 5,575,081 936,007,420 44,203,389
Esperanto Esperanto eo 16.99 245,167 6,341,988 540,112
Spanish Español es 204.52 1,390,687 105,476,757 6,220,431
Estonian Eesti et 26.58 169,506 4,910,030 427,292
Basque Euskara eu 18.3 288,827 6,124,098 709,346
Persian فارسی fa 214.15 592,051 26,968,468 3,877,064
Finnish Suomi fi 44.39 431,551 17,933,172 1,164,166
Faroese Føroyskt fo 36.15 12,682 346,750 37,884
French Français fr 223.22 1,958,724 148,198,703 9,283,021
West Frisian Frysk fy 28.41 39,603 906,101 114,707
Irish Gaeilge ga 4.9 46,370 883,972 76,582
Scottish Gaelic Gàidhlig gd 20.24 14,684 540,010 30,346
Galician Galego gl 27.5 145,596 4,644,361 357,374
Gujarati ગુજરાતી gu 23.22 27,568 556,956 76,946
Hebrew עברית he 254.2 220,095 23,427,158 912,746
Hindi हिन्दी hi 121.72 123,469 3,712,352 725,784
Croatian Hrvatski hr 27.04 184,257 5,021,702 480,667
Upper Sorbian Hornjoserbsce hsb 27.06 12,528 355,104 32,132
Haitian Krèyol ayisyen ht 0.56 51,757 704,574 63,403
Hungarian Magyar hu 59.26 426,692 20,300,096 1,237,807
Armenian Հայերեն hy 38.81 237,962 5,645,444 793,916
Interlingua Interlingua ia 6.36 20,628 592,403 32,889
Indonesian Bahasa Indonesia id 125.18 423,637 14,724,730 2,294,800
Ido Ido io 5.62 27,489 924,434 41,258
Ilokano Ilokano ilo 70.63 10,930 314,677 46,082
Icelandic Íslenska is 36.51 44,348 1,578,384 117,445
Italian Italiano it 132.62 1,418,976 100,104,240 5,111,601
Japanese 日本語 ja 80.29 1,096,235 68,449,017 3,230,045
Javanese Basa Jawa jv 25.84 54,670 1,423,702 142,636
Georgian ქართული ka 32.98 120,884 3,440,430 338,689
Kazakh Қазақша kk 9.04 220,926 2,598,540 517,245
Kannada ಕನ್ನಡ kn 72.85 23,057 827,856 86,771
Korean 한국어 ko 117.45 409,677 22,635,261 1,584,300
Kurdish Kurdî ku 28.03 23,200 697,533 58,891
Kirghiz Кыргызча ky 0.19 79,891 313,854 99,779
Latin Latina la 11.9 128,015 3,329,933 248,725
Luxembourgish Lëtzebuergesch lb 26.69 51,341 2,095,725 112,911
Limburgish Limburgs li 110.79 12,116 425,323 60,025
Lombard Lumbaart lmo 26.02 36,906 962,241 96,537
Lithuanian Lietuvių lt 22.23 186,460 5,318,065 439,031
Latvian Latviešu lv 78.68 82,554 2,800,837 336,286
Maithili मैथिली mai 10.53 12,323 166,104 29,048
Banyumasan Basa Banyumasan map-bms 8.89 13,311 200,539 28,186
Malagasy Malagasy mg 9.32 84,785 809,500 219,581
Minangkabau Bahaso Minangkabau min 0.9 222,144 1,546,829 317,672
Macedonian Македонски mk 108.96 92,965 3,673,796 421,760
Malayalam മലയാളം ml 220.92 54,687 2,703,194 345,123
Mongolian Монгол mn 50.65 17,833 535,619 60,479
Marathi मराठी mr 72.65 50,733 1,563,252 208,750
Hill Mari Кырык Мары (Kyryk Mary) mrj 1.42 10,265 93,470 15,191
Malay Bahasa Melayu ms 14.91 311,936 4,284,379 847,725
Burmese language မ္ရန္‌မာစာ my 5.57 38,078 392,228 78,213
Mazandarani مَزِروني mzn 7.38 12,616 143,972 27,635
Neapolitan Nnapulitano nap 16.44 14,486 645,699 26,352
Low Saxon Plattdüütsch nds 32.47 28,085 807,695 77,734
Nepali नेपाली ne 24.18 30,359 632,230 85,136
Newari नेवारी new 12.71 72,142 843,647 196,180
Dutch Nederlands nl 13.95 1,924,239 52,151,803 3,885,873
Norwegian (Nynorsk) Nynorsk nn 17.43 136,760 3,013,740 323,936
Norwegian (Bokmål) Norsk (Bokmål) no 38.46 483,392 18,235,257 1,276,618
Occitan Occitan oc 6.58 84,263 2,065,766 140,666
Oriya ଓଡ଼ିଆ or 56.7 13,508 301,766 58,162
Ossetian Иронау os 93.4 10,545 464,023 40,744
Punjabi ਪੰਜਾਬੀ pa 25.33 27,908 411,789 95,577
Polish Polski pl 27.34 1,266,909 52,489,166 2,795,706
Piedmontese Piemontèis pms 2.39 64,303 838,675 98,370
Western Panjabi شاہ مکھی پنجابی pnb 1.31 46,033 497,702 65,073
Portuguese Português pt 148.38 992,426 52,345,820 4,560,776
Quechua Runa Simi qu 29.01 20,395 631,632 51,874
Romanian Română ro 108.74 383,811 12,235,627 2,003,214
Russian Русский ru 148.77 1,454,649 103,432,593 5,573,153
Sanskrit संस्कृतम् sa 109.35 11,220 430,726 51,979
Sakha Саха тыла sah 49.69 11,563 338,951 39,326
Sicilian Sicilianu scn 16.57 25,840 720,514 54,864
Scots Scots sco 23.88 49,352 627,588 177,661
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 781.89 442,162 40,782,677 4,589,999
Sinhalese සිංහල si 80.12 14,472 417,744 65,935
Simple English Simple English simple 77.02 131,724 5,976,506 448,362
Slovak Slovenčina sk 18.55 224,943 6,605,363 488,412
Slovenian Slovenščina sl 24.29 160,207 4,949,773 378,568
Albanian Shqip sq 28.42 72,551 1,837,822 200,195
Serbian Српски sr 111.5 602,976 19,007,251 3,226,111
Sundanese Basa Sunda su 4.05 39,485 535,531 67,739
Swedish Svenska sv 5.78 3,784,036 42,429,231 7,644,044
Swahili Kiswahili sw 19.44 39,332 1,021,160 91,141
Tamil தமிழ் ta 26.42 115,162 2,483,566 331,400
Telugu తెలుగు te 53.47 68,692 2,302,863 226,082
Tajik Тоҷикӣ tg 4.25 93,241 989,165 173,811
Thai ไทย th 249.58 122,252 7,821,490 700,064
Tagalog Tagalog tl 20.43 86,398 1,619,378 235,226
Turkish Türkçe tr 218.24 305,926 20,531,902 1,546,101
Tatar Татарча tt 23.53 76,235 2,237,144 181,601
Ukrainian Українська uk 38.88 770,210 22,252,325 2,321,432
Urdu اردو ur 82.32 128,790 2,895,997 705,577
Uzbek O‘zbek uz 45.66 129,080 1,969,918 617,409
Venetian Vèneto vec 72.49 11,106 581,626 33,952
Vietnamese Tiếng Việt vi 272.14 1,168,264 37,336,261 12,172,712
Volapük Volapük vo 14.36 120,967 3,183,804 249,219
Walloon Walon wa 22.51 14,536 331,809 37,821
Waray-Waray Winaray war 3.51 1,262,829 6,186,362 2,875,601
Yiddish ייִדיש yi 40.85 14,306 526,946 39,265
Yoruba Yorùbá yo 4.62 31,607 511,208 53,608
Chinese 中文 zh 176.39 992,752 49,580,981 5,305,964
Min Nan Bân-lâm-gú zh-min-nan 12.31 226,198 1,885,393 714,859
Cantonese 粵語 zh-yue 17.03 65,172 1,171,930 166,578
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 1017 96 223 27 80 133 14 148 205 149 6 176 38 44 31 39 218 109 14 42 59 17 19 66 125 254 233 117 22 112
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.