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 971 = 21.1 × 46.01 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 = 156.03 × 6.87.

The smallest depth has Chechen Wikipedia which has the depth 0.178 = 9.4 × 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 29.53 44,211 1,591,570 106,300
Alemannic Alemannisch als 22.71 22,679 763,860 50,457
Amharic አማርኛ am 40.03 13,395 349,345 43,196
Aragonese Aragonés an 78.72 31,941 1,634,675 103,119
Arabic العربية ar 182.9 511,177 25,679,886 2,789,741
Egyptian Arabic مصرى arz 311.79 16,457 804,485 135,886
Asturian Asturianu ast 4.21 48,654 1,038,972 75,585
Azerbaijani Azərbaycanca az 34.6 115,996 4,078,674 301,553
South Azerbaijani تۆرکجه azb 2.3 15,168 135,657 25,182
Bashkir Башҡорт ba 20.98 38,129 674,946 107,976
Bavarian Boarisch bar 62.98 22,325 634,107 88,521
Samogitian Žemaitėška bat-smg 6 16,049 356,983 26,828
Belarusian Беларуская be 26.15 140,916 2,675,149 429,715
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 31.98 60,432 1,964,693 157,049
Bulgarian Български bg 24.17 228,663 8,206,620 508,496
Bengali বাংলা bn 454.07 49,236 2,671,228 505,753
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.51 25,069 806,153 57,545
Breton Brezhoneg br 14.26 61,756 1,821,576 122,137
Bosnian Bosanski bs 122.12 73,841 3,032,933 351,719
Buginese Basa Ugi bug 0.98 14,118 198,543 18,370
Catalan Català ca 31.21 538,050 18,660,605 1,345,134
Chechen Нохчийн ce 0.18 160,498 1,716,949 182,608
Cebuano Sinugboanong Binisaya ceb 1.17 4,138,057 13,481,511 7,472,924
Sorani کوردی ckb 113.22 18,761 543,596 107,562
Czech Čeština cs 40.6 377,200 14,821,131 1,002,141
Chuvash Чăваш cv 4.08 38,624 611,879 63,839
Welsh Cymraeg cy 42.58 90,936 5,923,044 199,966
Danish Dansk da 67.27 224,820 8,968,958 762,426
German Deutsch de 98.94 2,046,681 168,752,772 5,830,943
Greek Ελληνικά el 70.35 129,261 6,444,921 399,019
English English en 970.72 5,370,046 881,777,647 41,796,427
Esperanto Esperanto eo 16.84 238,133 6,212,173 521,145
Spanish Español es 192.56 1,325,776 97,602,081 5,817,175
Estonian Eesti et 28.41 155,679 4,735,120 395,478
Basque Euskara eu 18.44 279,031 5,944,214 686,041
Persian فارسی fa 217.51 526,785 24,132,885 3,474,802
Finnish Suomi fi 44.93 411,417 17,210,129 1,112,632
Faroese Føroyskt fo 36.37 12,490 342,694 37,362
French Français fr 214.93 1,856,541 138,283,760 8,672,870
West Frisian Frysk fy 23.11 37,417 863,037 98,049
Irish Gaeilge ga 5.11 39,465 846,437 64,005
Scottish Gaelic Gàidhlig gd 21.17 14,381 542,810 29,914
Galician Galego gl 25.87 137,884 4,366,451 330,962
Gujarati ગુજરાતી gu 16.95 27,018 485,571 68,930
Hebrew עברית he 260.47 203,896 21,364,165 866,682
Hindi हिन्दी hi 111.53 117,936 3,543,387 652,339
Croatian Hrvatski hr 30.39 172,835 5,035,921 461,159
Upper Sorbian Hornjoserbsce hsb 30.99 11,116 356,189 28,672
Haitian Krèyol ayisyen ht 0.52 51,194 697,607 62,271
Hungarian Magyar hu 57.92 407,018 19,237,951 1,171,385
Armenian Հայերեն hy 35.69 217,835 5,081,213 701,357
Interlingua Interlingua ia 6.2 19,992 571,553 31,721
Indonesian Bahasa Indonesia id 123.71 396,005 13,719,055 2,132,581
Ido Ido io 5.71 26,967 909,501 40,582
Ilokano Ilokano ilo 74.41 10,580 310,863 45,494
Icelandic Íslenska is 41.04 42,086 1,611,502 113,705
Italian Italiano it 123.5 1,345,115 92,101,563 4,734,173
Japanese 日本語 ja 77.11 1,054,696 64,509,939 3,077,666
Javanese Basa Jawa jv 22.96 49,776 1,140,716 130,426
Georgian ქართული ka 33.05 114,028 3,344,498 315,302
Kazakh Қазақша kk 8.91 218,313 2,642,495 502,445
Kannada ಕನ್ನಡ kn 57.19 21,728 686,664 76,613
Korean 한국어 ko 114.35 376,607 20,358,125 1,452,197
Kurdish Kurdî ku 29.66 22,733 715,070 57,990
Kirghiz Кыргызча ky 0.25 65,477 267,738 83,646
Latin Latina la 11.81 126,401 3,345,619 243,639
Luxembourgish Lëtzebuergesch lb 28.46 48,345 2,066,313 107,046
Limburgish Limburgs li 106.27 11,666 428,925 54,555
Lombard Lumbaart lmo 32.28 34,885 1,096,862 92,421
Lithuanian Lietuvių lt 22.06 181,467 5,337,106 420,786
Latvian Latviešu lv 82.14 76,438 2,751,662 308,335
Maithili मैथिली mai 7.34 10,661 115,818 23,733
Banyumasan Basa Banyumasan map-bms 8.58 13,284 210,236 27,306
Malagasy Malagasy mg 9.99 83,439 836,463 218,102
Minangkabau Bahaso Minangkabau min 0.884 221,974 1,539,435 316,614
Macedonian Македонски mk 137.83 89,006 4,367,424 408,642
Malayalam മലയാളം ml 246.95 48,855 2,541,108 322,255
Mongolian Монгол mn 45.39 16,934 522,515 53,407
Marathi मराठी mr 76.8 46,758 1,508,282 193,544
Hill Mari Кырык Мары (Kyryk Mary) mrj 1.13 10,165 91,844 14,448
Malay Bahasa Melayu ms 16.26 287,726 4,304,186 782,366
Burmese language မ္ရန္‌မာစာ my 4.52 35,133 359,804 67,478
Mazandarani مَزِروني mzn 6.6 12,376 138,496 26,203
Neapolitan Nnapulitano nap 17.73 14,445 699,919 26,217
Low Saxon Plattdüütsch nds 32.97 25,934 814,796 69,392
Nepali नेपाली ne 21.89 30,223 605,707 82,369
Newari नेवारी new 12.69 72,123 842,606 196,039
Dutch Nederlands nl 13.14 1,897,430 49,949,577 3,792,659
Norwegian (Nynorsk) Nynorsk nn 17.41 132,774 2,947,003 313,440
Norwegian (Bokmål) Norsk (Bokmål) no 36.25 464,382 17,196,753 1,204,330
Occitan Occitan oc 7.03 83,079 2,204,891 138,253
Oriya ଓଡ଼ିଆ or 55.86 12,536 269,044 54,832
Ossetian Иронау os 97.03 10,417 486,889 39,729
Punjabi ਪੰਜਾਬੀ pa 24.76 25,174 375,011 84,716
Polish Polski pl 24.65 1,214,805 48,823,818 2,609,072
Piedmontese Piemontèis pms 2.41 64,087 864,496 97,470
Western Panjabi شاہ مکھی پنجابی pnb 1.02 44,014 509,073 59,154
Portuguese Português pt 139.36 963,262 49,390,301 4,330,277
Quechua Runa Simi qu 32.25 20,084 663,291 52,026
Romanian Română ro 85.36 375,299 11,405,279 1,722,949
Russian Русский ru 141.1 1,383,463 96,862,130 5,185,999
Sanskrit संस्कृतम् sa 95.24 11,133 420,992 47,706
Sakha Саха тыла sah 51.07 11,211 352,861 37,238
Sicilian Sicilianu scn 20.21 25,380 754,931 56,627
Scots Scots sco 26.51 43,418 599,219 158,338
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 791.42 437,994 40,750,877 4,559,618
Sinhalese සිංහල si 88.01 13,200 403,715 61,553
Simple English Simple English simple 76.21 123,861 5,629,100 418,790
Slovak Slovenčina sk 18.96 217,144 6,495,655 472,041
Slovenian Slovenščina sl 24.97 155,343 4,985,448 365,552
Albanian Shqip sq 31.81 64,773 1,872,356 177,139
Serbian Српски sr 71.46 346,758 12,816,028 1,269,235
Sundanese Basa Sunda su 20.78 19,370 508,605 45,892
Swedish Svenska sv 5.19 3,785,105 39,337,056 7,567,505
Swahili Kiswahili sw 23.14 35,746 1,036,819 84,968
Tamil தமிழ் ta 33.27 92,026 2,309,695 275,279
Telugu తెలుగు te 47.08 66,724 2,069,894 213,904
Tajik Тоҷикӣ tg 6.63 67,792 863,893 137,413
Thai ไทย th 234.45 115,368 7,260,356 639,732
Tagalog Tagalog tl 35.94 67,236 1,628,206 213,029
Turkish Türkçe tr 213.5 293,847 19,326,539 1,483,359
Tatar Татарча tt 25.7 70,731 2,193,929 170,761
Ukrainian Українська uk 39.55 687,967 20,197,009 2,074,653
Urdu اردو ur 161.15 120,303 5,466,949 644,783
Uzbek O‘zbek uz 61.57 128,882 2,655,958 615,842
Venetian Vèneto vec 76.98 10,879 600,498 33,384
Vietnamese Tiếng Việt vi 30.5 1,155,004 26,481,498 3,460,781
Volapük Volapük vo 15.15 120,484 3,311,838 249,076
Walloon Walon wa 22.17 14,443 332,068 37,207
Waray-Waray Winaray war 3.57 1,262,368 6,294,752 2,873,421
Yiddish ייִדיש yi 43.88 13,812 535,489 38,273
Yoruba Yorùbá yo 5.35 31,545 562,189 54,203
Chinese 中文 zh 167.07 933,181 45,000,510 4,922,581
Min Nan Bân-lâm-gú zh-min-nan 10.89 204,426 1,627,943 621,086
Cantonese 粵語 zh-yue 23.85 52,298 1,115,520 144,088
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 971 99 215 25 77 123 13 139 193 141 5 167 36 45 31 40 214 85 15 41 58 17 19 67 124 260 183 114 22 71
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.