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 973 = 21.1 × 46.08 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 29.39 44,520 1,598,296 106,961
Alemannic Alemannisch als 22.7 22,754 766,301 50,616
Amharic አማርኛ am 40.01 13,414 349,721 43,252
Aragonese Aragonés an 78.57 32,003 1,635,689 103,289
Arabic العربية ar 180.49 519,516 25,938,748 2,821,349
Egyptian Arabic مصرى arz 308.93 16,638 807,275 137,193
Asturian Asturianu ast 4.2 48,799 1,041,639 75,778
Azerbaijani Azərbaycanca az 34.5 116,987 4,106,467 304,027
South Azerbaijani تۆرکجه azb 1.9 16,736 140,470 26,885
Bashkir Башҡорт ba 21.14 38,688 689,453 109,619
Bavarian Boarisch bar 63.13 22,416 636,254 89,048
Samogitian Žemaitėška bat-smg 6.02 16,064 357,204 26,875
Belarusian Беларуская be 25.73 142,822 2,694,386 433,335
Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 32.11 60,659 1,970,031 157,995
Bulgarian Български bg 24.19 229,562 8,245,415 510,461
Bengali বাংলা bn 453 49,879 2,705,971 511,392
Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.53 25,070 806,208 57,563
Breton Brezhoneg br 14.22 61,934 1,824,312 122,441
Bosnian Bosanski bs 121.02 74,248 3,038,275 352,430
Buginese Basa Ugi bug 0.99 14,120 198,597 18,395
Catalan Català ca 31.17 540,689 18,749,895 1,350,896
Chechen Нохчийн ce 0.17 164,028 1,728,033 186,194
Cebuano Sinugboanong Binisaya ceb 1.15 4,282,241 14,075,974 7,676,545
Sorani کوردی ckb 112.48 18,962 549,633 108,182
Czech Čeština cs 40.81 379,027 14,905,592 1,009,046
Chuvash Чăваш cv 4.05 40,045 619,997 66,419
Welsh Cymraeg cy 43.61 91,146 6,064,576 200,614
Danish Dansk da 67.5 225,641 9,026,885 765,505
German Deutsch de 97.92 2,056,343 169,649,092 5,827,881
Greek Ελληνικά el 70.4 130,256 6,491,477 402,348
English English en 972.56 5,393,143 886,468,205 42,004,444
Esperanto Esperanto eo 16.83 238,766 6,221,964 522,639
Spanish Español es 193.71 1,330,745 98,341,468 5,846,754
Estonian Eesti et 28.36 156,707 4,759,158 398,062
Basque Euskara eu 18.46 279,666 5,967,344 687,551
Persian فارسی fa 211.33 539,044 24,399,395 3,512,060
Finnish Suomi fi 44.86 413,088 17,273,538 1,116,455
Faroese Føroyskt fo 36.25 12,528 343,193 37,444
French Français fr 215.92 1,864,989 139,256,601 8,724,194
West Frisian Frysk fy 24.32 37,536 871,226 100,369
Irish Gaeilge ga 5.07 39,674 848,715 64,251
Scottish Gaelic Gàidhlig gd 21.19 14,387 543,137 29,936
Galician Galego gl 26.37 138,606 4,409,550 334,677
Gujarati ગુજરાતી gu 17.2 27,118 488,676 69,547
Hebrew עברית he 260.75 205,132 21,517,146 871,930
Hindi हिन्दी hi 112.1 118,794 3,566,871 659,724
Croatian Hrvatski hr 30.25 173,579 5,047,372 462,600
Upper Sorbian Hornjoserbsce hsb 29.89 11,364 358,093 29,064
Haitian Krèyol ayisyen ht 0.53 51,226 698,036 62,342
Hungarian Magyar hu 58 409,015 19,330,216 1,177,982
Armenian Հայերեն hy 35.64 219,314 5,129,051 704,634
Interlingua Interlingua ia 5.4 20,582 579,225 31,782
Indonesian Bahasa Indonesia id 124.02 399,173 13,878,507 2,148,071
Ido Ido io 5.72 27,007 910,487 40,662
Ilokano Ilokano ilo 74.66 10,661 315,174 45,761
Icelandic Íslenska is 40.79 42,259 1,613,877 113,992
Italian Italiano it 123.81 1,351,809 92,584,825 4,763,658
Japanese 日本語 ja 77.3 1,058,179 64,875,662 3,087,995
Javanese Basa Jawa jv 23 49,869 1,143,424 130,732
Georgian ქართული ka 33.15 115,133 3,371,364 319,053
Kazakh Қазақша kk 8.94 218,571 2,647,910 503,603
Kannada ಕನ್ನಡ kn 56.6 21,896 689,761 76,895
Korean 한국어 ko 114.14 379,462 20,493,215 1,462,439
Kurdish Kurdî ku 29.72 22,776 716,217 58,158
Kirghiz Кыргызча ky 0.25 65,467 268,977 83,691
Latin Latina la 11.83 126,510 3,351,112 243,886
Luxembourgish Lëtzebuergesch lb 28.28 48,610 2,069,597 107,528
Limburgish Limburgs li 106.01 11,689 429,380 54,610
Lombard Lumbaart lmo 32.25 35,057 1,098,880 92,965
Lithuanian Lietuvių lt 22.22 181,692 5,351,694 422,265
Latvian Latviešu lv 82.03 76,935 2,763,123 310,520
Maithili मैथिली mai 7.41 10,762 117,381 24,009
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 1,539,579 316,629
Macedonian Македонски mk 137.45 89,307 4,374,842 409,726
Malayalam മലയാളം ml 239.19 49,995 2,553,468 326,468
Mongolian Монгол mn 45.56 17,056 525,637 53,933
Marathi मराठी mr 76.42 47,172 1,515,766 195,132
Hill Mari Кырык Мары (Kyryk Mary) mrj 1.13 10,165 91,863 14,449
Malay Bahasa Melayu ms 16.38 288,338 4,324,534 785,748
Burmese language မ္ရန္‌မာစာ my 4.71 35,485 366,039 68,916
Mazandarani مَزِروني mzn 6.62 12,384 138,689 26,252
Neapolitan Nnapulitano nap 17.73 14,449 700,014 26,225
Low Saxon Plattdüütsch nds 32.98 26,041 816,076 69,772
Nepali नेपाली ne 21.91 30,287 607,763 82,532
Newari नेवारी new 12.69 72,129 842,686 196,056
Dutch Nederlands nl 13.18 1,899,722 50,103,550 3,799,153
Norwegian (Nynorsk) Nynorsk nn 17.5 133,128 2,952,893 315,055
Norwegian (Bokmål) Norsk (Bokmål) no 36.22 466,125 17,267,549 1,208,197
Occitan Occitan oc 7.02 83,284 2,207,568 138,548
Oriya ଓଡ଼ିଆ or 55.78 12,620 270,902 55,145
Ossetian Иронау os 96.71 10,461 487,310 39,896
Punjabi ਪੰਜਾਬੀ pa 24.74 25,574 380,420 86,076
Polish Polski pl 24.82 1,218,938 49,081,910 2,622,887
Piedmontese Piemontèis pms 2.42 64,105 864,991 97,628
Western Panjabi شاہ مکھی پنجابی pnb 1.1 44,143 510,684 59,974
Portuguese Português pt 140.07 966,570 49,652,166 4,354,061
Quechua Runa Simi qu 32.15 20,125 663,578 52,097
Romanian Română ro 85.58 375,926 11,439,703 1,727,241
Russian Русский ru 141.6 1,389,960 97,397,975 5,218,562
Sanskrit संस्कृतम् sa 95.59 11,148 421,636 47,875
Sakha Саха тыла sah 50.84 11,269 353,756 37,391
Sicilian Sicilianu scn 20.22 25,380 755,115 56,631
Scots Scots sco 26.37 44,418 611,371 161,750
Serbo-Croatian Srpskohrvatski / Српскохрватски sh 790.06 438,420 40,755,824 4,560,752
Sinhalese සිංහල si 87.88 13,276 405,489 61,905
Simple English Simple English simple 76.41 124,402 5,655,579 421,145
Slovak Slovenčina sk 19.1 217,539 6,512,467 474,068
Slovenian Slovenščina sl 24.87 156,130 4,997,132 367,173
Albanian Shqip sq 32.21 64,927 1,877,585 178,551
Serbian Српски sr 72.7 347,816 12,889,296 1,283,769
Sundanese Basa Sunda su 16.89 21,356 517,620 48,118
Swedish Svenska sv 5.23 3,786,342 39,592,573 7,573,100
Swahili Kiswahili sw 23.14 35,845 1,037,998 85,263
Tamil தமிழ் ta 28.58 99,758 2,344,644 286,022
Telugu తెలుగు te 47.61 66,774 2,084,466 214,617
Tajik Тоҷикӣ tg 6.68 67,858 866,126 137,805
Thai ไทย th 235.42 116,029 7,313,464 644,533
Tagalog Tagalog tl 34.8 68,339 1,634,626 214,319
Turkish Türkçe tr 219.68 291,270 19,471,258 1,482,469
Tatar Татарча tt 25.58 71,062 2,197,512 171,464
Ukrainian Українська uk 39.7 692,953 20,369,300 2,092,267
Urdu اردو ur 157.28 122,130 5,490,737 648,519
Uzbek O‘zbek uz 61.65 128,862 2,657,343 616,022
Venetian Vèneto vec 76.9 10,888 600,674 33,403
Vietnamese Tiếng Việt vi 30.75 1,155,690 26,623,754 3,468,732
Volapük Volapük vo 15.14 120,491 3,311,922 249,084
Walloon Walon wa 22.19 14,461 332,441 37,270
Waray-Waray Winaray war 3.57 1,262,426 6,295,347 2,873,497
Yiddish ייִדיש yi 43.69 13,864 536,515 38,371
Yoruba Yorùbá yo 5.35 31,551 562,320 54,220
Chinese 中文 zh 167.58 938,277 45,354,421 4,951,562
Min Nan Bân-lâm-gú zh-min-nan 11.12 205,101 1,671,543 622,506
Cantonese 粵語 zh-yue 23.54 52,909 1,122,499 145,263
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 973 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 73
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.