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 = 21.17 × 48.04 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 = 13.65 × 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 27.86 48,912 1,645,600 118,059
Alemannic Alemannisch als 24.82 24,026 807,417 55,370
Amharic አማርኛ am 35.17 14,117 345,056 44,021
Aragonese Aragonés an 74.3 32,715 1,603,673 104,805
Arabic العربية ar 233.2 559,948 30,279,391 3,443,633
Egyptian Arabic مصرى arz 294.57 17,827 796,561 151,074
Asturian Asturianu ast 5.19 59,908 1,237,692 98,375
Azerbaijani Azərbaycanca az 30.7 132,013 4,225,019 339,513
South Azerbaijani تۆرکجه azb 0.8 68,166 308,632 102,271
Bashkir Башҡорт ba 23.63 41,316 781,904 119,987
Bavarian Boarisch bar 53.77 25,543 677,885 96,046
Samogitian Žemaitėška bat-smg 5.87 16,239 342,727 27,353
Belarusian Беларуская be 32.01 151,559 3,092,754 494,424
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 32.02 62,226 1,950,869 164,469
Bulgarian Български bg 24.53 239,512 8,761,991 531,743
Bengali বাংলা bn 418 56,166 2,912,158 559,496
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.3 25,081 780,060 58,134
Breton Brezhoneg br 13.33 63,904 1,779,655 125,995
Bosnian Bosanski bs 109.36 77,098 2,899,877 361,939
Buginese Basa Ugi bug 1.04 14,116 191,394 18,614
Catalan Català ca 30.69 573,017 20,039,639 1,417,278
Chechen Нохчийн ce 0.29 164,747 2,575,458 188,639
Cebuano Sinugboanong Binisaya ceb 1.01 5,383,107 20,398,561 8,964,032
Sorani کوردی ckb 99.23 20,949 559,484 115,952
Czech Čeština cs 41.65 400,640 15,839,602 1,073,860
Chuvash Чăваш cv 4.46 41,039 623,293 70,087
Welsh Cymraeg cy 30.75 96,187 4,642,514 209,491
Danish Dansk da 66.31 235,346 9,380,801 792,319
German Deutsch de 96.39 2,155,533 178,525,467 6,051,930
Greek Ελληνικά el 66.36 143,201 6,863,464 437,827
English English en 1016.81 5,573,725 935,637,325 44,206,382
Esperanto Esperanto eo 17 245,137 6,341,087 540,127
Spanish Español es 204.64 1,390,211 105,432,151 6,221,037
Estonian Eesti et 26.6 169,458 4,908,503 427,330
Basque Euskara eu 18.31 288,777 6,122,170 709,372
Persian فارسی fa 214.34 591,714 26,954,734 3,877,292
Finnish Suomi fi 44.44 431,391 17,928,238 1,164,218
Faroese Føroyskt fo 36.16 12,680 346,740 37,885
French Français fr 223.35 1,958,157 148,137,827 9,284,451
West Frisian Frysk fy 28.43 39,589 905,885 114,710
Irish Gaeilge ga 4.9 46,369 883,860 76,582
Scottish Gaelic Gàidhlig gd 20.26 14,681 539,995 30,346
Galician Galego gl 27.53 145,540 4,643,264 357,379
Gujarati ગુજરાતી gu 23.19 27,563 555,762 76,948
Hebrew עברית he 254.37 220,012 23,415,122 912,846
Hindi हिन्दी hi 121.77 123,426 3,710,540 725,810
Croatian Hrvatski hr 27.08 184,161 5,020,522 480,681
Upper Sorbian Hornjoserbsce hsb 27.06 12,528 355,102 32,132
Haitian Krèyol ayisyen ht 0.56 51,745 704,488 63,403
Hungarian Magyar hu 59.31 426,567 20,293,768 1,237,933
Armenian Հայերեն hy 38.82 237,910 5,641,802 793,981
Interlingua Interlingua ia 6.37 20,627 592,339 32,896
Indonesian Bahasa Indonesia id 125.22 423,543 14,720,671 2,294,900
Ido Ido io 5.63 27,480 924,369 41,261
Ilokano Ilokano ilo 70.65 10,928 314,595 46,082
Icelandic Íslenska is 36.58 44,324 1,577,956 117,465
Italian Italiano it 132.7 1,418,545 100,064,897 5,112,096
Japanese 日本語 ja 80.33 1,095,976 68,427,828 3,230,130
Javanese Basa Jawa jv 25.9 54,628 1,423,063 142,639
Georgian ქართული ka 32.99 120,864 3,439,438 338,715
Kazakh Қазақша kk 9.04 220,907 2,597,958 517,261
Kannada ಕನ್ನಡ kn 72.87 23,051 827,451 86,771
Korean 한국어 ko 117.48 409,581 22,622,103 1,584,433
Kurdish Kurdî ku 28.04 23,198 697,474 58,891
Kirghiz Кыргызча ky 0.2 79,880 313,786 99,779
Latin Latina la 11.91 128,005 3,329,713 248,727
Luxembourgish Lëtzebuergesch lb 26.72 51,324 2,095,535 112,911
Limburgish Limburgs li 110.8 12,115 425,283 60,025
Lombard Lumbaart lmo 26.04 36,898 962,106 96,538
Lithuanian Lietuvių lt 22.25 186,398 5,316,884 439,039
Latvian Latviešu lv 78.8 82,498 2,799,794 336,312
Maithili मैथिली mai 10.53 12,322 166,028 29,050
Banyumasan Basa Banyumasan map-bms 8.89 13,309 200,452 28,186
Malagasy Malagasy mg 9.32 84,782 809,444 219,582
Minangkabau Bahaso Minangkabau min 0.9 222,143 1,546,804 317,672
Macedonian Македонски mk 109.03 92,934 3,673,054 421,769
Malayalam മലയാളം ml 220.46 54,650 2,693,175 345,132
Mongolian Монгол mn 50.63 17,832 535,336 60,480
Marathi मराठी mr 72.68 50,714 1,562,353 208,755
Hill Mari Кырык Мары (Kyryk Mary) mrj 1.42 10,265 93,465 15,191
Malay Bahasa Melayu ms 14.91 311,904 4,283,273 847,731
Burmese language မ္ရန္‌မာစာ my 5.57 38,075 392,148 78,215
Mazandarani مَزِروني mzn 7.39 12,614 143,930 27,636
Neapolitan Nnapulitano nap 16.45 14,485 645,697 26,352
Low Saxon Plattdüütsch nds 32.49 28,061 805,802 77,745
Nepali नेपाली ne 24.17 30,359 632,014 85,138
Newari नेवारी new 12.71 72,142 843,645 196,180
Dutch Nederlands nl 13.95 1,924,103 52,139,612 3,886,060
Norwegian (Nynorsk) Nynorsk nn 17.44 136,730 3,013,390 323,938
Norwegian (Bokmål) Norsk (Bokmål) no 38.48 483,316 18,230,848 1,276,698
Occitan Occitan oc 6.58 84,256 2,065,549 140,666
Oriya ଓଡ଼ିଆ or 56.74 13,503 301,657 58,166
Ossetian Иронау os 93.4 10,545 464,019 40,744
Punjabi ਪੰਜਾਬੀ pa 25.35 27,898 411,720 95,577
Polish Polski pl 27.36 1,266,577 52,471,744 2,796,002
Piedmontese Piemontèis pms 2.39 64,299 838,404 98,370
Western Panjabi شاہ مکھی پنجابی pnb 1.31 46,019 497,667 65,073
Portuguese Português pt 148.43 992,235 52,330,462 4,561,084
Quechua Runa Simi qu 29.04 20,388 631,621 51,874
Romanian Română ro 108.74 383,770 12,232,873 2,003,245
Russian Русский ru 148.85 1,454,299 103,392,854 5,574,003
Sanskrit संस्कृतम् sa 109.31 11,220 430,542 51,981
Sakha Саха тыла sah 49.69 11,563 338,933 39,326
Sicilian Sicilianu scn 16.57 25,840 720,507 54,864
Scots Scots sco 23.9 49,324 627,158 177,664
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 781.94 442,146 40,781,972 4,590,004
Sinhalese සිංහල si 80.12 14,472 417,695 65,942
Simple English Simple English simple 77.11 131,668 5,974,102 448,430
Slovak Slovenčina sk 18.56 224,916 6,604,617 488,427
Slovenian Slovenščina sl 24.3 160,180 4,948,963 378,576
Albanian Shqip sq 28.44 72,525 1,837,051 200,201
Serbian Српски sr 110.63 602,926 18,854,400 3,226,148
Sundanese Basa Sunda su 4.05 39,481 535,460 67,740
Swedish Svenska sv 5.78 3,784,092 42,420,068 7,644,521
Swahili Kiswahili sw 19.46 39,318 1,021,040 91,141
Tamil தமிழ் ta 26.43 115,143 2,482,394 331,441
Telugu తెలుగు te 53.48 68,682 2,302,331 226,083
Tajik Тоҷикӣ tg 4.25 93,229 988,847 173,817
Thai ไทย th 249.67 122,214 7,817,841 700,099
Tagalog Tagalog tl 20.44 86,387 1,619,240 235,231
Turkish Türkçe tr 218.31 305,870 20,527,778 1,546,177
Tatar Татарча tt 23.58 76,184 2,236,737 181,601
Ukrainian Українська uk 38.91 769,853 22,231,641 2,321,680
Urdu اردو ur 83.42 127,965 2,888,755 705,584
Uzbek O‘zbek uz 45.67 129,077 1,969,863 617,415
Venetian Vèneto vec 72.57 11,102 581,586 33,953
Vietnamese Tiếng Việt vi 272.15 1,168,211 37,332,377 12,172,883
Volapük Volapük vo 14.37 120,952 3,183,779 249,219
Walloon Walon wa 22.53 14,533 331,788 37,821
Waray-Waray Winaray war 3.51 1,262,827 6,186,328 2,875,601
Yiddish ייִדיש yi 40.88 14,303 526,900 39,267
Yoruba Yorùbá yo 4.62 31,607 511,201 53,608
Chinese 中文 zh 176.48 992,338 49,553,449 5,306,219
Min Nan Bân-lâm-gú zh-min-nan 12.31 226,195 1,885,352 714,859
Cantonese 粵語 zh-yue 17.08 65,116 1,171,597 166,580
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 22 111
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.