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 902 = 18.61 × 48.46 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 1075 = 155.42 × 6.92.

The Chechen Wikipedia has the smallest depth, at 0.317 = 13.87 × 0.023.

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 29.26 49,560 1,666,089 122,143
Alemannic Alemannisch als 24.91 24,464 827,423 56,319
Amharic አማርኛ am 34.81 14,240 346,442 44,273
Aragonese Aragonés an 73.19 33,050 1,607,660 105,470
Arabic العربية ar 216.13 575,852 28,623,675 3,562,471
Egyptian Arabic مصرى arz 286.31 18,414 805,883 155,105
Asturian Asturianu ast 4.6 74,848 1,535,155 119,670
Azerbaijani Azərbaycanca az 30.9 134,672 4,295,552 347,547
South Azerbaijani تۆرکجه azb 3 76,241 402,965 159,311
Bashkir Башҡорт ba 23.56 42,820 808,672 124,302
Bavarian Boarisch bar 54.75 25,967 688,714 98,705
Samogitian Žemaitėška bat-smg 5.87 16,274 343,224 27,418
Belarusian Беларуская be 32.26 154,209 3,140,921 505,662
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 32.29 63,109 1,970,811 167,729
Bulgarian Български bg 23.6 242,031 8,493,274 537,942
Bengali বাংলা bn 414.89 58,359 3,006,035 580,916
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.36 25,080 780,462 58,174
Breton Brezhoneg br 13.13 64,660 1,790,124 127,083
Bosnian Bosanski bs 110.07 77,378 2,922,316 363,808
Buginese Basa Ugi bug 1.05 14,114 191,529 18,629
Catalan Català ca 30.18 580,659 19,877,584 1,438,934
Chechen Нохчийн ce 0.32 164,822 2,632,647 189,741
Cebuano Sinugboanong Binisaya ceb 1.12 5,382,877 22,587,167 8,964,390
Sorani کوردی ckb 95.93 21,641 572,068 117,844
Czech Čeština cs 42.03 405,673 16,066,471 1,091,021
Chuvash Чăваш cv 4.59 41,249 628,890 70,943
Welsh Cymraeg cy 32.42 100,593 5,343,386 215,663
Danish Dansk da 66.61 237,725 9,511,524 800,601
German Deutsch de 94.39 2,183,283 176,509,461 6,139,216
Greek Ελληνικά el 65.96 146,939 7,028,307 448,368
English English en 901.86 5,653,672 837,676,658 45,010,363
Esperanto Esperanto eo 17.08 247,082 6,300,194 548,352
Spanish Español es 206.14 1,411,988 107,581,470 6,329,212
Estonian Eesti et 25.47 175,715 4,996,569 438,376
Basque Euskara eu 18.29 292,797 6,216,068 718,585
Persian فارسی fa 176.18 622,304 23,348,634 4,071,699
Finnish Suomi fi 42.25 437,688 17,263,641 1,182,191
Faroese Føroyskt fo 35.95 12,752 347,572 38,051
French Français fr 222.47 1,985,245 148,258,355 9,468,347
West Frisian Frysk fy 28.97 40,076 916,992 117,183
Irish Gaeilge ga 4.91 46,672 889,316 77,147
Scottish Gaelic Gàidhlig gd 20.36 14,693 541,177 30,410
Galician Galego gl 27.67 148,182 4,733,348 364,487
Gujarati ગુજરાતી gu 24.8 27,776 572,157 79,256
Hebrew עברית he 246.06 224,919 23,062,621 935,510
Hindi हिन्दी hi 127.05 124,860 3,795,393 750,837
Croatian Hrvatski hr 25.13 191,751 5,069,983 490,851
Upper Sorbian Hornjoserbsce hsb 26.39 12,808 357,896 32,697
Haitian Krèyol ayisyen ht 0.57 52,214 707,137 64,024
Hungarian Magyar hu 57.69 431,288 19,890,144 1,253,680
Armenian Հայերեն hy 39.17 240,607 5,750,749 803,500
Interlingua Interlingua ia 6.5 20,629 594,424 33,024
Indonesian Bahasa Indonesia id 117.62 430,247 13,891,986 2,349,041
Ido Ido io 5.66 27,603 927,474 41,491
Ilokano Ilokano ilo 71.02 10,975 317,596 46,282
Icelandic Íslenska is 36.43 45,010 1,589,928 119,477
Italian Italiano it 150.94 1,438,447 97,059,784 5,733,697
Japanese 日本語 ja 80.28 1,107,255 68,435,421 3,278,783
Javanese Basa Jawa jv 26.47 54,901 1,440,042 144,309
Georgian ქართული ka 33.78 122,616 3,485,659 347,676
Kazakh Қазақша kk 9.18 221,569 2,618,340 521,111
Kannada ಕನ್ನಡ kn 75.8 23,363 844,007 89,659
Korean 한국어 ko 109.33 417,336 21,273,078 1,622,441
Kurdish Kurdî ku 27.75 23,438 701,709 59,340
Kirghiz Кыргызча ky 0.21 79,781 319,873 100,225
Latin Latina la 11.97 128,512 3,343,804 250,104
Luxembourgish Lëtzebuergesch lb 25.07 53,103 2,107,428 115,293
Limburgish Limburgs li 110.94 12,153 426,783 60,246
Lombard Lumbaart lmo 25.71 37,361 967,420 97,496
Lithuanian Lietuvių lt 22.6 187,953 5,373,160 445,151
Latvian Latviešu lv 81.96 84,751 2,862,141 354,956
Maithili मैथिली mai 11.08 12,474 171,415 29,781
Banyumasan Basa Banyumasan map-bms 9.5 13,322 205,893 28,640
Malagasy Malagasy mg 9.33 84,970 814,442 219,850
Minangkabau Bahaso Minangkabau min 0.902 222,178 1,547,504 317,805
Macedonian Македонски mk 109.64 94,536 3,727,383 431,240
Malayalam മലയാളം ml 220.33 56,469 2,802,823 354,612
Mongolian Монгол mn 53.18 18,057 543,623 62,820
Marathi मराठी mr 73.51 51,419 1,591,787 212,499
Hill Mari Кырык Мары (Kyryk Mary) mrj 1.52 10,266 93,811 15,390
Malay Bahasa Melayu ms 15 315,504 4,335,331 859,726
Burmese language မ္ရန္‌မာစာ my 6 38,495 400,311 80,877
Mazandarani مَزِروني mzn 7.48 12,652 144,830 27,821
Neapolitan Nnapulitano nap 16.49 14,534 649,028 26,446
Low Saxon Plattdüütsch nds 28.72 30,286 817,607 81,545
Nepali नेपाली ne 24.5 30,524 640,244 85,851
Newari नेवारी new 12.72 72,154 843,897 196,217
Dutch Nederlands nl 14.4 1,931,811 51,505,213 3,966,436
Norwegian (Nynorsk) Nynorsk nn 17.56 138,027 3,036,413 328,183
Norwegian (Bokmål) Norsk (Bokmål) no 39.1 488,387 18,484,891 1,297,528
Occitan Occitan oc 6.64 84,578 2,078,998 141,434
Oriya ଓଡ଼ିଆ or 57.34 13,825 314,202 59,307
Ossetian Иронау os 91.47 10,759 466,434 41,425
Punjabi ਪੰਜਾਬੀ pa 24.95 29,130 427,967 99,167
Polish Polski pl 28.07 1,281,498 53,304,444 2,852,153
Piedmontese Piemontèis pms 2.4 64,347 839,565 98,533
Western Panjabi شاہ مکھی پنجابی pnb 1.34 46,479 503,008 65,936
Portuguese Português pt 149.04 997,702 51,960,150 4,635,833
Quechua Runa Simi qu 28.75 20,519 632,393 52,094
Romanian Română ro 109.38 386,080 12,167,938 2,038,941
Russian Русский ru 132.05 1,474,564 92,500,420 5,669,518
Sanskrit संस्कृतम् sa 113.32 11,287 434,958 53,379
Sakha Саха тыла sah 50.28 11,600 340,233 39,695
Sicilian Sicilianu scn 16.43 25,992 722,031 55,091
Scots Scots sco 24.83 51,857 670,750 189,017
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 776.5 443,962 40,802,374 4,596,060
Sinhalese සිංහල si 78.73 14,746 421,523 66,854
Simple English Simple English simple 78.57 134,135 6,103,617 460,821
Slovak Slovenčina sk 18.7 225,916 6,649,076 491,564
Slovenian Slovenščina sl 24.45 161,236 4,983,450 381,935
Albanian Shqip sq 28.79 74,050 1,860,262 206,393
Serbian Српски sr 140.61 607,020 20,487,518 3,641,810
Sundanese Basa Sunda su 4.09 39,582 537,408 68,058
Swedish Svenska sv 5.87 3,783,887 42,840,275 7,658,903
Swahili Kiswahili sw 17.06 42,060 1,029,006 94,777
Tamil தமிழ் ta 27.27 116,172 2,522,777 338,318
Telugu తెలుగు te 56.65 68,944 2,364,821 231,185
Tajik Тоҷикӣ tg 4.27 93,826 996,220 175,146
Thai ไทย th 242.95 124,248 7,611,818 719,779
Tagalog Tagalog tl 24.15 81,365 1,632,038 232,196
Turkish Türkçe tr 206.21 309,224 19,655,494 1,560,338
Tatar Татарча tt 22.64 79,234 2,269,914 187,609
Ukrainian Українська uk 38.69 788,928 22,574,067 2,383,537
Urdu اردو ur 88.39 138,842 3,448,407 745,932
Uzbek O‘zbek uz 46.13 129,190 1,984,060 619,486
Venetian Vèneto vec 72.03 11,175 583,630 34,100
Vietnamese Tiếng Việt vi 322.14 1,173,503 40,211,594 13,275,442
Volapük Volapük vo 14.36 121,046 3,185,053 249,382
Walloon Walon wa 22.57 14,589 333,197 37,994
Waray-Waray Winaray war 3.51 1,263,002 6,188,484 2,875,943
Yiddish ייִדיש yi 40.86 14,385 529,902 39,485
Yoruba Yorùbá yo 4.71 31,640 513,075 53,902
Chinese 中文 zh 173.92 1,007,063 49,359,232 5,399,889
Min Nan Bân-lâm-gú zh-min-nan 12.3 226,643 1,890,154 715,876
Cantonese 粵語 zh-yue 16.86 66,659 1,193,201 169,970
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 902 94 222 28 80 151 14 149 206 132 6 174 39 42 30 39 206 109 14 42 58 17 19 67 118 246 216 109 23 141
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.