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 987 = 21.16 × 46.63 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 1066 = 155.83 × 6.84.

The Chechen Wikipedia has the smallest depth, at 0.177 = 9.26 × 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 28.43 46,354 1,636,091 110,624
Alemannic Alemannisch als 22.53 23,149 780,005 51,341
Amharic አማርኛ am 38.8 13,758 353,680 43,975
Aragonese Aragonés an 77.71 32,267 1,639,260 103,867
Arabic العربية ar 188.79 535,540 26,880,580 2,989,393
Egyptian Arabic مصرى arz 309.19 17,006 818,232 141,248
Asturian Asturianu ast 4.66 50,070 1,078,924 79,387
Azerbaijani Azərbaycanca az 33.8 123,201 4,240,148 320,102
South Azerbaijani تۆرکجه azb 0.5 33,622 198,624 45,080
Bashkir Башҡорт ba 23.44 39,503 748,532 114,219
Bavarian Boarisch bar 62.24 22,828 645,070 90,155
Samogitian Žemaitėška bat-smg 6.09 16,122 357,836 27,067
Belarusian Беларуская be 25.9 145,058 2,756,229 440,054
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 32.33 61,178 1,991,159 159,688
Bulgarian Български bg 24.22 232,736 8,371,688 517,552
Bengali বাংলা bn 442.88 51,847 2,785,842 525,928
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.81 25,071 811,129 57,700
Breton Brezhoneg br 14.07 62,722 1,838,662 123,760
Bosnian Bosanski bs 119.82 74,892 3,053,397 354,036
Buginese Basa Ugi bug 1.04 14,132 199,057 18,520
Catalan Català ca 30.94 550,379 19,078,930 1,371,101
Chechen Нохчийн ce 0.18 164,267 1,732,320 186,991
Cebuano Sinugboanong Binisaya ceb 0.92 4,990,760 15,390,575 8,559,219
Sorani کوردی ckb 112.71 19,420 567,783 110,285
Czech Čeština cs 41.1 387,023 15,197,273 1,034,311
Chuvash Чăваш cv 4.41 40,528 629,962 68,609
Welsh Cymraeg cy 47.51 91,742 6,577,638 202,765
Danish Dansk da 66.49 230,356 9,170,480 777,153
German Deutsch de 97.73 2,088,596 172,585,092 5,909,165
Greek Ελληνικά el 70.08 134,059 6,709,607 412,224
English English en 986.66 5,455,821 903,713,959 42,712,638
Esperanto Esperanto eo 16.78 241,004 6,258,956 527,600
Spanish Español es 197.42 1,348,033 100,716,853 5,952,787
Estonian Eesti et 28.16 159,829 4,836,541 405,379
Basque Euskara eu 18.6 282,404 6,072,143 694,290
Persian فارسی fa 196.53 571,361 25,101,567 3,608,237
Finnish Suomi fi 44.81 419,161 17,505,883 1,132,951
Faroese Føroyskt fo 36.27 12,574 344,444 37,588
French Français fr 217.73 1,895,983 142,044,076 8,898,058
West Frisian Frysk fy 28.93 38,915 916,421 112,125
Irish Gaeilge ga 5.05 42,741 870,254 69,971
Scottish Gaelic Gàidhlig gd 21.64 14,576 549,201 30,577
Galician Galego gl 27.27 140,355 4,533,538 341,534
Gujarati ગુજરાતી gu 18.38 27,280 498,082 71,637
Hebrew עברית he 261.68 210,788 22,247,232 894,535
Hindi हिन्दी hi 116.41 120,566 3,648,495 683,650
Croatian Hrvatski hr 29.6 176,906 5,098,540 468,719
Upper Sorbian Hornjoserbsce hsb 28.22 12,007 364,167 30,452
Haitian Krèyol ayisyen ht 0.54 51,474 700,893 62,818
Hungarian Magyar hu 58.04 414,985 19,637,913 1,194,777
Armenian Հայերեն hy 39.11 226,833 5,369,193 760,792
Interlingua Interlingua ia 6.31 20,522 587,269 32,686
Indonesian Bahasa Indonesia id 124.09 407,473 14,101,914 2,200,564
Ido Ido io 5.76 27,173 914,830 40,974
Ilokano Ilokano ilo 76.21 10,830 326,911 46,479
Icelandic Íslenska is 38.67 43,473 1,620,467 115,716
Italian Italiano it 126.01 1,375,088 95,199,977 4,864,343
Japanese 日本語 ja 77.83 1,071,350 66,040,544 3,128,461
Javanese Basa Jawa jv 24.93 50,318 1,226,523 133,076
Georgian ქართული ka 33.86 117,073 3,453,009 326,589
Kazakh Қазақша kk 9.03 219,346 2,662,833 507,021
Kannada ಕನ್ನಡ kn 59.7 22,085 709,063 79,071
Korean 한국어 ko 112.43 394,099 21,074,417 1,514,189
Kurdish Kurdî ku 30.12 22,906 720,945 58,808
Kirghiz Кыргызча ky 0.18 78,387 297,043 97,618
Latin Latina la 11.99 127,085 3,380,587 245,713
Luxembourgish Lëtzebuergesch lb 27.37 49,879 2,087,283 109,709
Limburgish Limburgs li 113.82 11,989 435,636 59,099
Lombard Lumbaart lmo 31.42 35,863 1,106,787 94,645
Lithuanian Lietuvių lt 22.66 182,510 5,397,432 426,826
Latvian Latviešu lv 81.72 78,316 2,795,421 316,558
Maithili मैथिली mai 7.3 11,634 128,154 25,715
Banyumasan Basa Banyumasan map-bms 8.66 13,285 210,525 27,383
Malagasy Malagasy mg 10 83,455 836,957 218,220
Minangkabau Bahaso Minangkabau min 0.885 221,992 1,540,357 316,703
Macedonian Македонски mk 136.02 90,300 4,397,139 413,103
Malayalam മലയാളം ml 233 51,974 2,613,049 336,798
Mongolian Монгол mn 45.68 17,416 532,182 55,389
Marathi मराठी mr 75.88 48,180 1,542,764 198,855
Hill Mari Кырык Мары (Kyryk Mary) mrj 1.15 10,169 91,983 14,501
Malay Bahasa Melayu ms 15.52 301,780 4,440,156 809,340
Burmese language မ္ရန္‌မာစာ my 5.16 36,761 380,129 73,460
Mazandarani مَزِروني mzn 6.77 12,516 140,212 26,736
Neapolitan Nnapulitano nap 17.76 14,460 700,431 26,261
Low Saxon Plattdüütsch nds 33.38 26,518 821,998 71,793
Nepali नेपाली ne 21.97 30,668 615,130 83,693
Newari नेवारी new 12.7 72,132 842,888 196,124
Dutch Nederlands nl 13.33 1,908,229 50,753,423 3,819,776
Norwegian (Nynorsk) Nynorsk nn 17.51 134,328 2,972,786 318,221
Norwegian (Bokmål) Norsk (Bokmål) no 36.54 473,012 17,641,284 1,227,102
Occitan Occitan oc 7.02 83,502 2,212,973 138,914
Oriya ଓଡ଼ିଆ or 55.95 12,856 276,386 56,228
Ossetian Иронау os 97.17 10,516 488,374 40,289
Punjabi ਪੰਜਾਬੀ pa 24.39 26,506 391,859 88,827
Polish Polski pl 25.4 1,234,989 50,002,380 2,674,555
Piedmontese Piemontèis pms 2.46 64,167 866,983 97,996
Western Panjabi شاہ مکھی پنجابی pnb 1.19 44,922 517,128 61,892
Portuguese Português pt 142.89 975,341 50,532,325 4,425,720
Quechua Runa Simi qu 32.08 20,217 664,672 52,351
Romanian Română ro 87 378,029 11,634,921 1,742,568
Russian Русский ru 144.35 1,412,380 99,308,919 5,351,471
Sanskrit संस्कृतम् sa 99.23 11,183 423,990 49,086
Sakha Саха тыла sah 51.61 11,399 357,185 38,167
Sicilian Sicilianu scn 19.92 25,620 756,615 57,005
Scots Scots sco 25.67 46,072 626,434 166,372
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 790.91 439,475 40,800,977 4,580,710
Sinhalese සිංහල si 87.76 13,566 412,584 63,374
Simple English Simple English simple 75.7 127,010 5,738,085 429,255
Slovak Slovenčina sk 19.22 218,829 6,557,153 477,804
Slovenian Slovenščina sl 24.92 157,084 5,034,281 369,549
Albanian Shqip sq 31.4 67,239 1,899,728 184,734
Serbian Српски sr 92.07 354,543 15,132,625 1,382,968
Sundanese Basa Sunda su 4.17 38,651 547,644 66,047
Swedish Svenska sv 5.38 3,790,148 40,574,215 7,593,886
Swahili Kiswahili sw 22.17 37,109 1,049,982 87,567
Tamil தமிழ் ta 25.82 112,600 2,479,825 317,235
Telugu తెలుగు te 49.4 67,272 2,150,820 217,708
Tajik Тоҷикӣ tg 6.76 68,502 881,695 139,310
Thai ไทย th 240.29 118,435 7,501,164 665,104
Tagalog Tagalog tl 28.67 75,088 1,663,526 221,960
Turkish Türkçe tr 221.03 296,471 19,924,346 1,509,797
Tatar Татарча tt 25.65 72,015 2,223,860 174,038
Ukrainian Українська uk 40.1 711,436 21,017,409 2,153,538
Urdu اردو ur 171.7 122,517 5,601,201 683,188
Uzbek O‘zbek uz 61.68 128,941 2,660,883 616,297
Venetian Vèneto vec 76.83 10,941 601,749 33,603
Vietnamese Tiếng Việt vi 31.26 1,159,530 26,909,846 3,496,640
Volapük Volapük vo 15.15 120,499 3,312,466 249,148
Walloon Walon wa 22.31 14,569 335,031 37,630
Waray-Waray Winaray war 3.57 1,262,815 6,297,574 2,874,066
Yiddish ייִדיש yi 43.43 14,048 540,081 38,890
Yoruba Yorùbá yo 5.4 31,573 563,009 54,370
Chinese 中文 zh 169.73 955,719 46,778,316 5,044,559
Min Nan Bân-lâm-gú zh-min-nan 11 219,903 1,814,201 659,856
Cantonese 粵語 zh-yue 21.79 56,315 1,149,746 151,856
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 987 98 218 25 78 126 13 143 197 144 5 170 37 45 31 40 221 87 15 41 58 17 19 66 124 262 189 112 23 92
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.