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 972 = 21.12 × 46.03 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 1072 = 156.02 × 6.87.

The smallest depth has Chechen Wikipedia which has the depth 0.169 = 9.28 × 0.018.

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 29.4 44,523 1,598,458 106,972
Alemannic Alemannisch als 22.7 22,758 766,484 50,622
Amharic አማርኛ am 40.01 13,414 349,723 43,253
Aragonese Aragonés an 78.58 32,003 1,635,704 103,290
Arabic العربية ar 180.47 519,582 25,941,096 2,821,617
Egyptian Arabic مصرى arz 308.76 16,645 807,392 137,222
Asturian Asturianu ast 4.2 48,801 1,041,657 75,780
Azerbaijani Azərbaycanca az 34.5 117,022 4,107,019 304,087
South Azerbaijani تۆرکجه azb 1.9 16,823 140,734 26,973
Bashkir Башҡорт ba 21.15 38,701 689,714 109,676
Bavarian Boarisch bar 63.18 22,415 636,328 89,076
Samogitian Žemaitėška bat-smg 6.02 16,064 357,206 26,876
Belarusian Беларуская be 25.72 142,842 2,694,644 433,372
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 32.11 60,660 1,970,112 158,000
Bulgarian Български bg 24.19 229,573 8,245,955 510,486
Bengali বাংলা bn 453.01 49,882 2,706,154 511,428
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.53 25,070 806,209 57,563
Breton Brezhoneg br 14.22 61,938 1,824,348 122,448
Bosnian Bosanski bs 121.02 74,249 3,038,313 352,434
Buginese Basa Ugi bug 0.99 14,120 198,597 18,395
Catalan Català ca 31.17 540,722 18,750,934 1,350,975
Chechen Нохчийн ce 0.17 164,110 1,728,200 186,277
Cebuano Sinugboanong Binisaya ceb 1.15 4,285,135 14,082,370 7,679,990
Sorani کوردی ckb 112.46 18,964 549,644 108,184
Czech Čeština cs 40.82 379,052 14,907,060 1,009,145
Chuvash Чăваш cv 4.05 40,047 620,014 66,422
Welsh Cymraeg cy 43.63 91,147 6,067,416 200,617
Danish Dansk da 67.51 225,653 9,028,238 765,525
German Deutsch de 97.92 2,056,432 169,661,778 5,828,012
Greek Ελληνικά el 70.38 130,284 6,492,085 402,388
English English en 971.99 5,393,381 886,567,031 41,985,172
Esperanto Esperanto eo 16.83 238,772 6,222,070 522,652
Spanish Español es 193.72 1,330,833 98,353,166 5,847,159
Estonian Eesti et 28.36 156,709 4,759,438 398,085
Basque Euskara eu 18.46 279,667 5,967,608 687,555
Persian فارسی fa 211.33 539,091 24,401,511 3,512,399
Finnish Suomi fi 44.86 413,100 17,274,313 1,116,492
Faroese Føroyskt fo 36.27 12,528 343,210 37,452
French Français fr 215.94 1,865,059 139,266,670 8,724,816
West Frisian Frysk fy 24.34 37,539 871,343 100,404
Irish Gaeilge ga 5.07 39,674 848,720 64,251
Scottish Gaelic Gàidhlig gd 21.19 14,387 543,141 29,936
Galician Galego gl 26.37 138,614 4,409,854 334,698
Gujarati ગુજરાતી gu 17.21 27,119 488,706 69,559
Hebrew עברית he 260.81 205,147 21,522,976 872,004
Hindi हिन्दी hi 112.11 118,815 3,567,530 659,878
Croatian Hrvatski hr 30.25 173,587 5,047,532 462,610
Upper Sorbian Hornjoserbsce hsb 29.84 11,372 358,117 29,073
Haitian Krèyol ayisyen ht 0.53 51,226 698,037 62,342
Hungarian Magyar hu 58 409,034 19,331,312 1,178,059
Armenian Հայերեն hy 35.65 219,325 5,129,442 704,671
Interlingua Interlingua ia 5.4 20,582 579,263 31,782
Indonesian Bahasa Indonesia id 123.92 399,369 13,879,793 2,148,456
Ido Ido io 5.72 27,007 910,499 40,662
Ilokano Ilokano ilo 74.66 10,661 315,182 45,761
Icelandic Íslenska is 40.8 42,259 1,613,939 113,997
Italian Italiano it 123.82 1,351,875 92,590,628 4,764,085
Japanese 日本語 ja 77.3 1,058,266 64,881,820 3,088,201
Javanese Basa Jawa jv 23 49,873 1,143,476 130,748
Georgian ქართული ka 33.15 115,137 3,371,713 319,081
Kazakh Қазақша kk 8.94 218,577 2,647,963 503,630
Kannada ಕನ್ನಡ kn 56.5 21,910 689,798 76,896
Korean 한국어 ko 114.13 379,501 20,495,313 1,462,554
Kurdish Kurdî ku 29.72 22,776 716,224 58,159
Kirghiz Кыргызча ky 0.25 65,467 269,032 83,708
Latin Latina la 11.83 126,512 3,351,143 243,890
Luxembourgish Lëtzebuergesch lb 28.27 48,619 2,069,683 107,545
Limburgish Limburgs li 106.01 11,689 429,382 54,610
Lombard Lumbaart lmo 32.25 35,058 1,098,919 92,971
Lithuanian Lietuvių lt 22.22 181,692 5,351,889 422,280
Latvian Latviešu lv 82.02 76,945 2,763,251 310,560
Maithili मैथिली mai 7.4 10,766 117,403 24,016
Banyumasan Basa Banyumasan map-bms 8.59 13,284 210,304 27,311
Malagasy Malagasy mg 9.99 83,444 836,592 218,126
Minangkabau Bahaso Minangkabau min 0.884 221,976 1,539,582 316,630
Macedonian Македонски mk 137.45 89,308 4,374,974 409,732
Malayalam മലയാളം ml 239.11 50,006 2,553,626 326,499
Mongolian Монгол mn 45.66 17,058 525,852 53,993
Marathi मराठी mr 76.39 47,188 1,515,917 195,176
Hill Mari Кырык Мары (Kyryk Mary) mrj 1.13 10,165 91,863 14,449
Malay Bahasa Melayu ms 16.38 288,347 4,324,830 785,822
Burmese language မ္ရန္‌မာစာ my 4.72 35,486 366,130 68,940
Mazandarani مَزِروني mzn 6.63 12,384 138,690 26,253
Neapolitan Nnapulitano nap 17.73 14,449 700,014 26,225
Low Saxon Plattdüütsch nds 33 26,041 816,101 69,781
Nepali नेपाली ne 21.92 30,288 607,803 82,539
Newari नेवारी new 12.69 72,129 842,686 196,056
Dutch Nederlands nl 13.18 1,899,748 50,105,081 3,799,241
Norwegian (Nynorsk) Nynorsk nn 17.5 133,131 2,952,944 315,057
Norwegian (Bokmål) Norsk (Bokmål) no 36.22 466,136 17,268,370 1,208,236
Occitan Occitan oc 7.02 83,286 2,207,585 138,552
Oriya ଓଡ଼ିଆ or 55.77 12,621 270,911 55,148
Ossetian Иронау os 96.71 10,461 487,311 39,896
Punjabi ਪੰਜਾਬੀ pa 24.73 25,578 380,439 86,085
Polish Polski pl 24.83 1,218,985 49,084,364 2,623,098
Piedmontese Piemontèis pms 2.42 64,105 864,992 97,629
Western Panjabi شاہ مکھی پنجابی pnb 1.1 44,143 510,687 59,974
Portuguese Português pt 140.08 966,588 49,655,023 4,354,284
Quechua Runa Simi qu 32.15 20,125 663,581 52,098
Romanian Română ro 85.58 375,935 11,440,020 1,727,295
Russian Русский ru 141.62 1,390,074 97,405,485 5,219,353
Sanskrit संस्कृतम् sa 95.6 11,148 421,641 47,879
Sakha Саха тыла sah 50.84 11,269 353,760 37,393
Sicilian Sicilianu scn 20.22 25,380 755,115 56,631
Scots Scots sco 26.39 44,418 611,466 161,794
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 790.04 438,425 40,755,936 4,560,773
Sinhalese සිංහල si 87.84 13,281 405,545 61,920
Simple English Simple English simple 76.4 124,417 5,655,958 421,187
Slovak Slovenčina sk 19.1 217,539 6,512,650 474,070
Slovenian Slovenščina sl 24.86 156,144 4,997,308 367,201
Albanian Shqip sq 32.18 64,950 1,877,669 178,587
Serbian Српски sr 73.64 347,847 12,898,870 1,292,850
Sundanese Basa Sunda su 16.9 21,358 517,849 48,122
Swedish Svenska sv 5.23 3,786,372 39,597,382 7,573,183
Swahili Kiswahili sw 23.14 35,845 1,038,004 85,263
Tamil தமிழ் ta 28.59 99,757 2,344,891 286,049
Telugu తెలుగు te 47.62 66,775 2,084,706 214,634
Tajik Тоҷикӣ tg 6.68 67,858 866,142 137,807
Thai ไทย th 235.48 116,036 7,314,730 644,633
Tagalog Tagalog tl 34.78 68,361 1,634,731 214,339
Turkish Türkçe tr 219.66 291,294 19,472,833 1,482,529
Tatar Татарча tt 25.58 71,062 2,197,515 171,465
Ukrainian Українська uk 39.71 693,054 20,371,933 2,092,857
Urdu اردو ur 157.33 122,135 5,492,871 648,535
Uzbek O‘zbek uz 61.66 128,859 2,657,359 616,021
Venetian Vèneto vec 76.9 10,888 600,675 33,403
Vietnamese Tiếng Việt vi 30.75 1,155,704 26,624,582 3,468,881
Volapük Volapük vo 15.14 120,491 3,311,923 249,084
Walloon Walon wa 22.19 14,461 332,441 37,270
Waray-Waray Winaray war 3.57 1,262,430 6,295,358 2,873,500
Yiddish ייִדיש yi 43.72 13,862 536,539 38,374
Yoruba Yorùbá yo 5.35 31,551 562,321 54,220
Chinese 中文 zh 167.6 938,336 45,360,620 4,952,165
Min Nan Bân-lâm-gú zh-min-nan 11.12 205,105 1,671,601 622,517
Cantonese 粵語 zh-yue 23.54 52,913 1,122,590 145,274
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 972 98 216 25 77 124 13 140 194 142 5 168 36 45 31 40 220 86 15 41 58 17 19 68 124 261 180 114 22 74
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.