Wikipedia article depth

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

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:

${\text{Depth}}={\frac {\text{Edits}}{\text{Articles}}}\cdot {\frac {\text{NonArticles}}{\text{Articles}}}\cdot \left(1-{\frac {\text{Articles}}{\text{Total}}}\right)$

The depth can be simplified to the equivalent formula below:

${\text{Depth}}={\frac {\text{Edits}}{\text{Total}}}\cdot \left({\frac {\text{NonArticles}}{\text{Articles}}}\right)^{2}$

NonArticles are user pages, redirects, images, "project" pages, categories, templates, and all talk pages. Total is simply NonArticles + Articles.

English Wikipedia has depth of 920 = 18.64 × 49.34 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 1072 = 155.36 × 6.9.

The Chechen Wikipedia has the smallest depth, at 0.176 = 12.1 × 0.015.

Background

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)). 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

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 ().

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 47.24 59,118 1,818,494 190,692 Alemannic Alemannisch als 24.64 25,020 843,772 57,419 Amharic አማርኛ am 34.56 14,359 347,970 44,568 Aragonese Aragonés an 71.86 33,549 1,614,227 106,653 Arabic العربية ar 236.56 610,670 30,511,010 4,019,965 Egyptian Arabic مصرى arz 272.98 19,450 823,700 161,937 Asturian Asturianu ast 3.94 86,736 1,703,980 135,257 Azerbaijani Azərbaycanca az 31.3 138,013 4,411,739 358,152 South Azerbaijani تۆرکجه azb 4 102,362 543,880 237,904 Bashkir Башҡорт ba 23.68 44,025 831,097 128,149 Bavarian Boarisch bar 53.1 26,666 697,125 100,409 Samogitian Žemaitėška bat-smg 5.92 16,307 343,982 27,536 Belarusian Беларуская be 32.21 157,308 3,200,463 515,635 Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 32.47 64,290 1,996,364 171,745 Bulgarian Български bg 23.73 245,749 8,698,453 545,529 Bengali বাংলা bn 413.03 60,828 3,113,907 606,325 Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.39 25,080 780,698 58,196 Breton Brezhoneg br 12.95 65,480 1,801,167 128,378 Bosnian Bosanski bs 108.17 78,395 2,941,935 365,968 Buginese Basa Ugi bug 1.05 14,118 191,675 18,635 Catalan Català ca 30.16 589,967 20,260,368 1,459,659 Chechen Нохчийн ce 0.18 208,737 2,829,895 233,895 Min Dong Mìng-dĕ̤ng-ngṳ̄ cdo 2.42 14,002 73,592 27,269 Cebuano Sinugboanong Binisaya ceb 1.19 5,380,813 23,996,412 8,964,767 Sorani کوردی ckb 95.49 22,156 585,031 120,355 Czech Čeština cs 44.55 412,863 16,430,446 1,138,079 Chuvash Чăваш cv 4.96 41,433 640,357 72,479 Welsh Cymraeg cy 37.72 101,288 6,228,737 217,536 Danish Dansk da 66.8 240,021 9,646,110 807,656 German Deutsch de 94.09 2,220,515 179,871,508 6,228,776 Greek Ελληνικά el 64.69 152,497 7,202,768 463,691 Emilian-Romagnol Emiliàn e rumagnòl eml 12.17 11,187 124,871 30,459 English English en 919.78 5,718,714 855,392,719 45,890,235 Esperanto Esperanto eo 17.04 250,015 6,367,263 554,607 Spanish Español es 195.26 1,475,199 110,255,381 6,467,989 Estonian Eesti et 24.82 181,056 5,092,195 448,893 Basque Euskara eu 11.39 304,896 6,416,859 626,407 Persian فارسی fa 179.43 642,012 24,465,983 4,209,032 Finnish Suomi fi 42.29 444,536 17,527,955 1,201,394 Faroese Føroyskt fo 35.89 12,792 348,635 38,141 French Français fr 221.39 2,040,934 151,835,714 9,727,168 West Frisian Frysk fy 29.88 40,783 930,938 121,227 Irish Gaeilge ga 4.65 48,154 897,648 78,942 Scottish Gaelic Gàidhlig gd 20.38 14,736 542,620 30,510 Galician Galego gl 31.8 151,136 4,914,554 391,781 Gujarati ગુજરાતી gu 29.88 28,124 630,568 84,347 Hebrew עברית he 248.69 230,488 23,783,043 961,213 Hindi हिन्दी hi 137.56 126,700 3,924,728 795,859 Croatian Hrvatski hr 23.63 198,751 5,123,979 500,831 Upper Sorbian Hornjoserbsce hsb 25.33 13,182 360,631 33,360 Haitian Krèyol ayisyen ht 0.57 53,101 713,439 65,252 Hungarian Magyar hu 58.14 436,994 20,374,324 1,268,379 Armenian Հայերեն hy 39.54 245,805 5,931,865 820,693 Interlingua Interlingua ia 6.45 20,790 597,801 33,237 Indonesian Bahasa Indonesia id 117.56 439,746 14,168,703 2,403,561 Ido Ido io 5.6 27,921 937,188 41,895 Ilokano Ilokano ilo 68.39 11,430 327,864 47,354 Icelandic Íslenska is 36.19 45,781 1,603,563 121,629 Italian Italiano it 156.66 1,461,737 99,440,686 5,929,315 Japanese 日本語 ja 80.89 1,121,208 69,771,889 3,321,285 Javanese Basa Jawa jv 27.13 54,946 1,450,508 145,618 Georgian ქართული ka 35.1 124,414 3,547,880 358,849 Kazakh Қазақша kk 9.3 222,382 2,638,577 524,830 Kannada ಕನ್ನಡ kn 81.86 23,734 865,087 94,833 Korean 한국어 ko 113.81 427,274 22,369,773 1,674,302 Kurdish Kurdî ku 27.53 23,651 705,727 59,767 Kirghiz Кыргызча ky 0.25 79,555 332,274 101,417 Latin Latina la 12.03 129,135 3,361,172 251,689 Luxembourgish Lëtzebuergesch lb 24.17 54,483 2,128,035 117,388 Limburgish Limburgs li 110.13 12,244 428,331 60,558 Lombard Lumbaart lmo 25.55 37,702 972,367 98,294 Lithuanian Lietuvių lt 23.03 189,537 5,429,315 451,965 Latvian Latviešu lv 80.32 87,682 2,936,130 364,593 Maithili मैथिली mai 11.36 12,908 179,404 30,993 Banyumasan Basa Banyumasan map-bms 9.6 13,333 206,293 28,756 Malagasy Malagasy mg 10.74 85,086 876,536 227,013 Meadow Mari Олык Марий (Olyk Marij) mhr 12.78 10,025 171,062 23,230 Minangkabau Bahaso Minangkabau min 0.923 222,296 1,574,816 318,306 Macedonian Македонски mk 108.47 96,204 3,764,140 437,983 Malayalam മലയാളം ml 215.63 58,747 2,871,831 367,224 Mongolian Монгол mn 56.35 18,326 555,588 65,594 Marathi मराठी mr 73.41 51,936 1,624,555 213,104 Hill Mari Кырык Мары (Kyryk Mary) mrj 1.64 10,268 94,130 15,625 Malay Bahasa Melayu ms 15.18 319,871 4,420,851 874,079 Burmese language မ္ရန္‌မာစာ my 6.94 39,512 423,052 86,621 Mazandarani مَزِروني mzn 7.55 12,728 146,054 28,060 Neapolitan Nnapulitano nap 16.49 14,555 650,187 26,483 Low Saxon Plattdüütsch nds 27.95 31,170 824,487 83,660 Nepali नेपाली ne 25.52 30,708 673,103 86,234 Newari नेवारी new 12.72 72,159 844,161 196,250 Dutch Nederlands nl 14.62 1,942,249 52,109,725 3,999,504 Norwegian (Nynorsk) Nynorsk nn 17.56 139,605 3,070,703 331,957 Norwegian (Bokmål) Norsk (Bokmål) no 39.87 494,654 18,789,746 1,323,663 Occitan Occitan oc 6.65 84,874 2,085,926 141,959 Oriya ଓଡ଼ିଆ or 58.33 14,251 331,911 60,857 Ossetian Иронау os 88.76 11,084 469,085 42,526 Punjabi ਪੰਜਾਬੀ pa 24.74 30,228 442,352 102,657 Polish Polski pl 28.43 1,300,308 54,306,608 2,903,356 Piedmontese Piemontèis pms 2.41 64,375 840,457 98,636 Western Panjabi شاہ مکھی پنجابی pnb 1.34 46,645 504,471 66,208 Portuguese Português pt 152.36 1,005,282 52,977,655 4,702,110 Quechua Runa Simi qu 28.08 20,757 633,338 52,397 Romanian Română ro 110.66 388,494 12,327,142 2,058,490 Russian Русский ru 134.56 1,497,657 94,854,288 5,789,863 Sanskrit संस्कृतम् sa 117.06 11,350 437,572 54,812 Sakha Саха тыла sah 50.56 11,662 341,330 40,074 Sicilian Sicilianu scn 16.41 26,052 724,197 55,188 Scots Scots sco 25.01 52,702 684,187 192,507 Sindhi سنڌي، سندھی ، सिन्ध sd 16.12 10,448 127,761 31,170 Serbo-Croatian Srpskohrvatski / Српскохрватски sh 770.93 445,860 40,829,348 4,602,034 Sinhalese සිංහල si 80.64 14,849 426,666 68,136 Simple English Simple English simple 78.03 138,476 6,234,630 476,709 Slovak Slovenčina sk 18.9 227,117 6,700,207 495,704 Slovenian Slovenščina sl 24.57 162,308 5,030,696 384,832 Albanian Shqip sq 30.13 74,720 1,889,841 212,148 Serbian Српски sr 142.96 610,307 20,851,980 3,672,803 Sundanese Basa Sunda su 4.17 39,668 545,320 68,351 Swedish Svenska sv 6.15 3,766,905 43,495,797 7,694,990 Swahili Kiswahili sw 14.99 45,272 1,040,374 99,468 Tamil தமிழ் ta 28.23 117,857 2,573,911 348,141 Telugu తెలుగు te 60.83 69,307 2,454,448 237,421 Tajik Тоҷикӣ tg 4.31 95,449 1,014,804 178,605 Thai ไทย th 250.39 126,633 7,833,647 744,281 Tagalog Tagalog tl 24.61 81,350 1,653,119 232,801 Turkish Türkçe tr 201.66 315,742 19,965,972 1,575,100 Tatar Татарча tt 22.49 80,852 2,290,327 191,806 Ukrainian Українська uk 38.29 816,939 23,268,786 2,461,001 Urdu اردو ur 92.68 140,535 3,578,354 766,852 Uzbek O‘zbek uz 47.14 129,320 2,020,849 621,844 Venetian Vèneto vec 72.62 11,226 592,217 34,223 Vietnamese Tiếng Việt vi 345.57 1,188,955 42,779,852 13,693,682 Volapük Volapük vo 14.36 121,502 3,192,805 250,486 Walloon Walon wa 22.44 14,721 335,122 38,293 Waray-Waray Winaray war 3.51 1,263,248 6,193,649 2,876,615 Wu 吴语 wuu 7.94 12,507 238,001 23,604 Mingrelian მარგალური (Margaluri) xmf 7.13 12,603 134,964 27,906 Yiddish ייִדיש yi 41.11 14,493 533,883 39,894 Yoruba Yorùbá yo 4.9 31,718 515,836 54,542 Chinese 中文 zh 178.99 1,022,841 51,033,590 5,525,658 Min Nan Bân-lâm-gú zh-min-nan 12.4 227,462 1,901,041 720,538 Cantonese 粵語 zh-yue 16.78 68,453 1,222,268 174,345 Language Language (local) Wiki Depth Articles Edits Total Pages

Trends

Trend of article depth.

The table shows how the depth of the largest 30 languages 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	920	94	221	28	81	157	15	152	195	135	6	179	40	42	30	38	202	111	14	45	58	17	19	67	118	249	237	114	23	143
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

• Efficiency

Lists of Wikipedias by various criteria: edit

• List of Wikipedias by article count, users, file count and depth (Source) (updated daily)
• List of Wikipedias by edits per article and depth (updated daily)
• List of Wikipedias by language group, family, and macrofamily (updated daily)
• List of Wikipedias by speakers per article (updated daily)
• List of Wikipedias by sample of articles and expanded sample of articles (both updated monthly)
• List of Wikipedias having zero local media files
• List of some Wikipedias by date created
• List of largest wikis (not just Wikimedia wikis)
• Wikipedia milestones (+en:Wikipedia:Milestone statistics) (tracking of major article-count milestones)
• Wikimedia News (announcements and tracking of milestones for all Wikimedia projects)