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 979 = 21.16 × 46.29 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 1067 = 155.82 × 6.85.

The smallest depth has Chechen Wikipedia which has the depth 0.176 = 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 28.87 45,485 1,616,293 108,931
Alemannic Alemannisch als 22.57 23,022 775,559 51,098
Amharic አማርኛ am 38.98 13,671 351,788 43,784
Aragonese Aragonés an 78.26 32,121 1,637,633 103,591
Arabic العربية ar 187.88 525,723 26,419,244 2,922,391
Egyptian Arabic مصرى arz 310.58 16,796 812,177 139,448
Asturian Asturianu ast 4.32 49,092 1,048,645 76,691
Azerbaijani Azərbaycanca az 34 120,642 4,187,998 313,030
South Azerbaijani تۆرکجه azb 1 24,441 180,346 35,208
Bashkir Башҡорт ba 22.19 39,259 719,214 112,365
Bavarian Boarisch bar 62.2 22,726 640,296 89,877
Samogitian Žemaitėška bat-smg 6.08 16,082 357,541 26,976
Belarusian Беларуская be 25.86 144,278 2,735,156 437,830
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 32.25 61,004 1,983,356 159,137
Bulgarian Български bg 24.26 231,221 8,315,402 514,537
Bengali বাংলা bn 448.27 50,954 2,745,937 520,769
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.77 25,070 811,041 57,661
Breton Brezhoneg br 14.15 62,327 1,829,681 123,143
Bosnian Bosanski bs 119.83 74,755 3,046,780 353,482
Buginese Basa Ugi bug 1.03 14,135 199,008 18,517
Catalan Català ca 31.11 545,779 18,938,937 1,362,251
Chechen Нохчийн ce 0.18 164,251 1,731,339 186,890
Cebuano Sinugboanong Binisaya ceb 1.02 4,751,493 15,097,536 8,315,126
Sorani کوردی ckb 113.92 19,146 561,543 109,304
Czech Čeština cs 40.93 383,861 15,080,779 1,023,707
Chuvash Чăваш cv 4.32 40,299 625,856 67,869
Welsh Cymraeg cy 45.56 91,508 6,309,619 202,031
Danish Dansk da 67.92 226,879 9,104,002 770,987
German Deutsch de 97.91 2,073,922 171,337,477 5,873,351
Greek Ελληνικά el 70.35 132,369 6,651,940 407,006
English English en 979.43 5,429,694 896,551,135 42,370,331
Esperanto Esperanto eo 16.81 240,048 6,245,155 525,605
Spanish Español es 196.16 1,340,725 99,767,553 5,911,719
Estonian Eesti et 28.18 158,599 4,802,478 402,256
Basque Euskara eu 18.57 281,303 6,034,436 691,725
Persian فارسی fa 210.73 545,912 24,703,650 3,550,139
Finnish Suomi fi 44.88 416,321 17,400,369 1,125,733
Faroese Føroyskt fo 36.27 12,555 343,950 37,534
French Français fr 217.32 1,882,151 140,884,202 8,827,544
West Frisian Frysk fy 26.87 38,730 901,926 108,306
Irish Gaeilge ga 5.04 40,847 856,484 66,378
Scottish Gaelic Gàidhlig gd 21.31 14,449 545,429 30,124
Galician Galego gl 26.86 139,753 4,474,686 339,178
Gujarati ગુજરાતી gu 17.73 27,194 492,815 70,499
Hebrew עברית he 261.34 208,480 21,925,066 885,985
Hindi हिन्दी hi 114.16 119,939 3,616,518 672,569
Croatian Hrvatski hr 30.11 174,911 5,075,715 465,621
Upper Sorbian Hornjoserbsce hsb 28.67 11,833 362,516 30,086
Haitian Krèyol ayisyen ht 0.53 51,399 699,691 62,599
Hungarian Magyar hu 58.09 412,374 19,508,387 1,187,928
Armenian Հայերեն hy 35.39 223,782 5,229,721 716,561
Interlingua Interlingua ia 6.27 20,510 586,120 32,624
Indonesian Bahasa Indonesia id 123.23 404,769 14,007,311 2,175,589
Ido Ido io 5.77 27,074 912,540 40,826
Ilokano Ilokano ilo 76.95 10,774 324,302 46,602
Icelandic Íslenska is 38.78 43,323 1,618,217 115,349
Italian Italiano it 124.9 1,365,465 93,879,668 4,825,170
Japanese 日本語 ja 77.69 1,065,466 65,545,283 3,111,753
Javanese Basa Jawa jv 23.95 50,166 1,197,017 131,561
Georgian ქართული ka 33.48 116,290 3,412,138 323,478
Kazakh Қазақша kk 9.01 219,094 2,658,273 505,972
Kannada ಕನ್ನಡ kn 58.17 21,965 700,057 77,818
Korean 한국어 ko 114.97 385,893 20,814,061 1,494,683
Kurdish Kurdî ku 30.26 22,839 719,177 58,744
Kirghiz Кыргызча ky 0.24 69,174 281,406 88,304
Latin Latina la 11.9 126,806 3,368,492 244,726
Luxembourgish Lëtzebuergesch lb 27.63 49,511 2,082,229 109,070
Limburgish Limburgs li 105.85 11,794 430,958 55,235
Lombard Lumbaart lmo 32.16 35,416 1,103,694 94,039
Lithuanian Lietuvių lt 22.47 182,162 5,377,613 424,889
Latvian Latviešu lv 82.08 77,671 2,782,394 314,090
Maithili मैथिली mai 7.15 11,290 122,147 24,924
Banyumasan Basa Banyumasan map-bms 8.64 13,285 210,483 27,367
Malagasy Malagasy mg 10 83,449 836,821 218,197
Minangkabau Bahaso Minangkabau min 0.884 221,982 1,539,928 316,645
Macedonian Македонски mk 136.77 89,855 4,389,393 411,682
Malayalam മലയാളം ml 233.06 51,338 2,582,523 332,597
Mongolian Монгол mn 45.2 17,242 528,690 54,441
Marathi मराठी mr 75.5 47,837 1,528,691 197,078
Hill Mari Кырык Мары (Kyryk Mary) mrj 1.14 10,169 91,943 14,488
Malay Bahasa Melayu ms 16.08 294,223 4,387,016 797,072
Burmese language မ္ရန္‌မာစာ my 5.03 36,245 374,708 71,821
Mazandarani مَزِروني mzn 6.74 12,474 139,679 26,611
Neapolitan Nnapulitano nap 17.75 14,465 700,222 26,267
Low Saxon Plattdüütsch nds 33.23 26,260 819,003 70,752
Nepali नेपाली ne 22.01 30,474 612,202 83,164
Newari नेवारी new 12.69 72,132 842,792 196,103
Dutch Nederlands nl 13.24 1,904,929 50,431,603 3,810,588
Norwegian (Nynorsk) Nynorsk nn 17.54 133,759 2,964,858 316,871
Norwegian (Bokmål) Norsk (Bokmål) no 36.19 470,480 17,401,775 1,219,830
Occitan Occitan oc 7.01 83,428 2,210,709 138,765
Oriya ଓଡ଼ିଆ or 56.42 12,706 274,335 55,718
Ossetian Иронау os 96.89 10,496 487,860 40,125
Punjabi ਪੰਜਾਬੀ pa 24.33 26,231 387,126 87,885
Polish Polski pl 25.07 1,228,741 49,599,706 2,650,996
Piedmontese Piemontèis pms 2.45 64,132 865,953 97,908
Western Panjabi شاہ مکھی پنجابی pnb 1.18 44,438 514,012 61,102
Portuguese Português pt 141.53 971,780 50,125,462 4,395,058
Quechua Runa Simi qu 32.13 20,178 664,302 52,257
Romanian Română ro 86.27 377,239 11,537,837 1,736,546
Russian Русский ru 143.49 1,402,534 98,504,515 5,299,272
Sanskrit संस्कृतम् sa 98.06 11,160 423,026 48,628
Sakha Саха тыла sah 51.33 11,375 356,470 37,973
Sicilian Sicilianu scn 20.26 25,389 755,532 56,692
Scots Scots sco 25.91 45,446 620,966 164,499
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 792.17 439,047 40,793,352 4,579,263
Sinhalese සිංහල si 87.96 13,436 409,205 62,804
Simple English Simple English simple 76.51 125,587 5,703,259 425,699
Slovak Slovenčina sk 19.18 218,205 6,538,673 476,098
Slovenian Slovenščina sl 24.92 156,731 5,024,014 368,668
Albanian Shqip sq 32.28 65,840 1,889,285 181,910
Serbian Српски sr 89.94 352,473 14,674,426 1,376,146
Sundanese Basa Sunda su 4.15 38,621 546,993 65,937
Swedish Svenska sv 5.3 3,788,775 40,037,994 7,584,955
Swahili Kiswahili sw 22.72 36,501 1,046,803 86,523
Tamil தமிழ் ta 27.58 104,258 2,397,274 296,967
Telugu తెలుగు te 48.59 67,124 2,126,413 216,389
Tajik Тоҷикӣ tg 6.71 68,129 871,105 138,482
Thai ไทย th 237.68 117,619 7,425,667 656,982
Tagalog Tagalog tl 31.68 71,577 1,648,988 218,095
Turkish Türkçe tr 221.73 293,969 19,795,655 1,498,205
Tatar Татарча tt 25.42 71,539 2,202,377 172,476
Ukrainian Українська uk 40.13 703,403 20,788,071 2,129,615
Urdu اردو ur 165.92 121,781 5,548,690 664,738
Uzbek O‘zbek uz 61.67 128,902 2,659,386 616,146
Venetian Vèneto vec 76.75 10,937 601,494 33,574
Vietnamese Tiếng Việt vi 31.03 1,158,023 26,795,086 3,484,284
Volapük Volapük vo 15.15 120,493 3,312,322 249,126
Walloon Walon wa 22.22 14,534 333,703 37,503
Waray-Waray Winaray war 3.57 1,262,697 6,296,883 2,873,910
Yiddish ייִדיש yi 43.74 13,947 538,627 38,658
Yoruba Yorùbá yo 5.39 31,572 562,839 54,357
Chinese 中文 zh 168.83 947,898 46,125,768 5,004,937
Min Nan Bân-lâm-gú zh-min-nan 10.88 214,793 1,729,906 648,764
Cantonese 粵語 zh-yue 22.57 54,700 1,137,255 148,641
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 979 98 217 25 78 125 13 142 196 143 5 169 36 45 31 40 222 86 15 41 58 17 19 68 123 261 188 115 22 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.