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 941 = 18.65 × 50.46 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 1070 = 155.28 × 6.89.

The Chechen Wikipedia has the smallest depth, at 0.185 = 12.09 × 0.015.

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
136
137
138
139
140
141
No.
Language Language (local) Wiki Depth Articles Edits Total Pages
Afrikaans Afrikaans af 39.85 68,945 1,891,657 216,012
Alemannic Alemannisch als 25.99 25,387 874,554 59,005
Amharic አማርኛ am 34.41 14,499 351,716 44,879
Aragonese Aragonés an 69.57 34,236 1,621,735 107,892
Arabic العربية ar 235.67 661,439 32,652,051 4,380,705
Egyptian Arabic مصرى arz 270.53 20,198 844,317 168,693
Asturian Asturianu ast 3.97 99,499 2,178,826 151,863
Azerbaijani Azərbaycanca az 31.5 142,472 4,567,017 370,046
South Azerbaijani تۆرکجه azb 6.7 119,111 796,345 311,733
Bashkir Башҡорт ba 22.71 46,287 861,149 132,956
Bavarian Boarisch bar 51.23 27,412 705,370 102,035
Samogitian Žemaitėška bat-smg 5.85 16,531 345,699 27,892
Belarusian Беларуская be 31.9 161,273 3,298,622 524,472
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 33.07 65,745 2,029,455 177,573
Bulgarian Български bg 24.39 248,971 9,045,609 552,994
Bengali বাংলা bn 416.5 63,987 3,305,282 637,480
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.49 25,078 781,019 58,276
Breton Brezhoneg br 12.92 66,121 1,821,667 129,470
Bosnian Bosanski bs 106.87 79,294 2,965,381 368,112
Buginese Basa Ugi bug 1.06 14,121 191,866 18,663
Catalan Català ca 30 601,706 20,659,913 1,485,492
Chechen Нохчийн ce 0.18 208,901 2,838,557 234,729
Min Dong Mìng-dĕ̤ng-ngṳ̄ cdo 2.47 14,173 75,371 27,658
Cebuano Sinugboanong Binisaya ceb 1.3 5,354,103 25,029,524 9,022,619
Sorani کوردی ckb 93 22,893 599,532 122,819
Czech Čeština cs 45.17 420,310 16,843,958 1,162,418
Chuvash Чăваш cv 5.16 41,665 649,751 73,495
Welsh Cymraeg cy 44.88 102,271 7,301,390 221,641
Danish Dansk da 66.8 242,576 9,780,793 814,818
German Deutsch de 94.44 2,263,073 183,780,138 6,351,737
Greek Ελληνικά el 63.37 157,628 7,366,530 476,906
Emilian-Romagnol Emiliàn e rumagnòl eml 10.93 11,888 127,454 31,390
English English en 940.85 5,790,991 875,020,097 46,925,754
Esperanto Esperanto eo 17.26 253,986 6,494,070 565,261
Spanish Español es 196.17 1,500,272 113,007,751 6,564,889
Estonian Eesti et 24.42 185,763 5,191,965 458,598
Basque Euskara eu 10.9 317,341 6,540,230 646,730
Persian فارسی fa 175.31 661,404 25,272,058 4,254,651
Finnish Suomi fi 42.39 450,662 17,817,348 1,217,776
Faroese Føroyskt fo 35.81 12,904 350,444 38,499
French Français fr 226.16 2,075,053 155,608,030 9,976,569
West Frisian Frysk fy 29.95 41,376 941,970 123,299
Irish Gaeilge ga 4.4 50,351 917,177 81,928
Scottish Gaelic Gàidhlig gd 20.46 14,781 544,151 30,649
Galician Galego gl 32.66 154,011 5,031,227 403,156
Gujarati ગુજરાતી gu 33.03 28,306 649,718 88,273
Hebrew עברית he 255.15 237,055 24,699,367 998,332
Hindi हिन्दी hi 146.88 129,186 4,080,410 839,215
Croatian Hrvatski hr 23.4 201,869 5,183,546 507,388
Upper Sorbian Hornjoserbsce hsb 25.57 13,380 364,074 34,083
Haitian Krèyol ayisyen ht 0.56 54,383 721,150 66,763
Hungarian Magyar hu 58.52 443,139 20,848,428 1,284,578
Armenian Հայերեն hy 39.74 250,814 6,122,240 834,627
Interlingua Interlingua ia 6.24 21,253 603,273 33,822
Indonesian Bahasa Indonesia id 117.89 451,564 14,661,014 2,459,955
Ido Ido io 5.62 28,180 941,977 42,338
Ilokano Ilokano ilo 67.71 11,596 331,430 47,855
Icelandic Íslenska is 36.52 46,179 1,617,167 123,206
Italian Italiano it 156.8 1,497,542 101,985,288 6,073,838
Japanese 日本語 ja 81.44 1,136,359 71,188,953 3,366,299
Javanese Basa Jawa jv 28.02 55,158 1,468,515 147,781
Georgian ქართული ka 35.58 126,432 3,607,232 366,996
Kazakh Қазақша kk 9.45 223,636 2,663,942 530,342
Kannada ಕನ್ನಡ kn 88.63 24,128 889,071 100,497
Korean 한국어 ko 147.59 439,639 23,442,864 1,999,453
Kurdish Kurdî ku 27.03 24,028 712,218 60,409
Kirghiz Кыргызча ky 0.34 79,262 346,774 104,525
Latin Latina la 12.14 129,838 3,383,289 253,698
Luxembourgish Lëtzebuergesch lb 23.97 55,574 2,153,096 119,740
Limburgish Limburgs li 109.85 12,333 431,156 60,923
Lombard Lumbaart lmo 25.26 38,117 976,516 99,171
Lithuanian Lietuvių lt 22.49 193,550 5,494,993 458,786
Latvian Latviešu lv 78.74 90,546 2,992,184 374,967
Maithili मैथिली mai 11.81 13,179 184,464 32,057
Banyumasan Basa Banyumasan map-bms 9.67 13,338 207,077 28,803
Malagasy Malagasy mg 10.25 90,668 964,198 233,549
Meadow Mari Олык Марий (Olyk Marij) mhr 13.45 10,046 175,381 23,545
Minangkabau Bahaso Minangkabau min 0.936 222,510 1,582,588 319,208
Macedonian Македонски mk 106.26 98,389 3,800,546 445,713
Malayalam മലയാളം ml 216.62 61,525 3,022,496 384,498
Mongolian Монгол mn 60.63 18,413 565,983 68,169
Marathi मराठी mr 74.7 52,753 1,656,277 218,276
Hill Mari Кырык Мары (Kyryk Mary) mrj 1.77 10,269 94,437 15,874
Malay Bahasa Melayu ms 15.49 323,767 4,506,456 890,088
Burmese language မြန်မာဘာသာ my 7 42,412 446,203 93,885
Mazandarani مَزِروني mzn 7.57 12,796 146,956 28,226
Neapolitan Nnapulitano nap 16.77 14,576 651,884 26,645
Low Saxon Plattdüütsch nds 15.56 41,702 849,611 97,399
Nepali नेपाली ne 25.52 31,699 702,236 88,573
Newari नेवारी new 12.71 72,212 844,442 196,330
Dutch Nederlands nl 14.94 1,955,608 52,889,295 4,046,573
Norwegian (Nynorsk) Nynorsk nn 17.24 141,998 3,103,407 335,974
Norwegian (Bokmål) Norsk (Bokmål) no 40.16 501,558 19,073,613 1,345,886
Occitan Occitan oc 6.67 85,275 2,096,968 142,757
Oriya ଓଡ଼ିଆ or 62.3 14,584 359,020 62,683
Ossetian Иронау os 87.63 11,274 470,668 43,275
Punjabi ਪੰਜਾਬੀ pa 25.26 30,930 454,064 106,053
Polish Polski pl 29.29 1,316,308 55,460,002 2,962,793
Piedmontese Piemontèis pms 2.42 64,414 841,447 98,752
Western Panjabi شاہ مکھی پنجابی pnb 1.43 47,270 512,228 67,837
Portuguese Português pt 154.85 1,014,954 53,931,298 4,771,711
Quechua Runa Simi qu 27.5 21,001 634,634 52,752
Romanian Română ro 112.99 391,263 12,556,608 2,086,675
Russian Русский ru 132.07 1,523,436 97,353,712 5,794,840
Sanskrit संस्कृतम् sa 122.62 11,357 440,035 56,367
Sakha Саха тыла sah 49.59 11,946 344,713 40,935
Sicilian Sicilianu scn 16.44 26,058 724,662 55,228
Scots Scots sco 24.78 53,409 691,430 194,384
Sindhi سنڌي، سندھی ، सिन्ध sd 16.57 11,126 140,411 33,126
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 765.02 447,857 40,853,964 4,608,138
Sinhalese සිංහල si 80.85 14,952 430,152 68,667
Simple English Simple English simple 77.72 142,316 6,373,051 490,309
Slovak Slovenčina sk 19.09 228,303 6,756,245 499,538
Slovenian Slovenščina sl 24.73 163,389 5,078,765 387,985
Albanian Shqip sq 31.14 75,589 1,926,193 217,234
Serbian Српски sr 147.98 614,775 21,244,011 3,761,686
Sundanese Basa Sunda su 4.2 39,850 548,104 68,774
Swedish Svenska sv 6.33 3,759,038 44,291,447 7,703,899
Swahili Kiswahili sw 13.68 47,794 1,050,742 103,184
Tamil தமிழ் ta 29.46 119,459 2,633,547 358,804
Telugu తెలుగు te 63.8 70,443 2,547,185 244,919
Tajik Тоҷикӣ tg 4.31 96,202 1,022,526 180,027
Thai ไทย th 257.34 129,281 8,061,597 770,391
Tagalog Tagalog tl 28.86 77,107 1,673,218 231,035
Turkish Türkçe tr 198.28 322,044 20,253,369 1,594,386
Tatar Татарча tt 22.46 82,825 2,341,038 196,566
Ukrainian Українська uk 36.94 882,065 24,220,316 2,658,179
Urdu اردو ur 97.06 143,037 3,748,133 790,011
Uzbek O‘zbek uz 46.68 130,349 2,030,990 623,972
Venetian Vèneto vec 74.87 11,272 595,629 34,871
Vietnamese Tiếng Việt vi 402.02 1,200,460 48,075,448 14,351,361
Volapük Volapük vo 14.2 122,259 3,196,180 251,506
Walloon Walon wa 22.5 14,802 337,420 38,531
Waray-Waray Winaray war 3.51 1,263,489 6,196,793 2,877,008
Wu 吴语 wuu 4.3 16,572 245,885 28,207
Mingrelian მარგალური (Margaluri) xmf 7.08 12,684 135,529 28,029
Yiddish ייִדיש yi 41.28 14,602 537,846 40,274
Yoruba Yorùbá yo 4.91 31,772 517,351 54,664
Chinese 中文 zh 182.51 1,041,141 52,596,172 5,651,975
Min Nan Bân-lâm-gú zh-min-nan 13.2 227,716 1,925,336 741,045
Cantonese 粵語 zh-yue 16.53 70,677 1,256,767 179,197
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 941 94 226 29 81 157 15 155 196 132 6 183 40 42 30 37 198 113 14 45 59 17 19 67 118 255 236 148 22 148
1 Jan 2018 1011 97 222 27 80 132 14 148 204 149 6 175 38 45 31 39 221 103 15 42 59 17 19 66 125 254 219 115 23 133
1 July 2017 980 98 217 25 78 125 13 142 196 144 5 169 36 45 31 40 222 86 15 41 58 17 19 68 123 261 188 115 23 90
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.