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 984 = 21.17 × 46.47 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 1066 = 155.83 × 6.84.

The smallest depth has Chechen Wikipedia which has the depth 0.177 = 9.26 × 0.019.

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 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 No.

Language Language (local) Wiki Depth Articles Edits Total Pages Afrikaans Afrikaans af 28.54 46,151 1,627,897 110,344 Alemannic Alemannisch als 22.47 23,130 777,543 51,291 Amharic አማርኛ am 38.75 13,742 352,861 43,923 Aragonese Aragonés an 77.92 32,218 1,638,723 103,791 Arabic العربية ar 188.93 532,422 26,756,000 2,971,048 Egyptian Arabic مصرى arz 311.28 16,918 817,004 140,855 Asturian Asturianu ast 4.43 50,009 1,067,818 78,553 Azerbaijani Azərbaycanca az 33.8 122,561 4,223,851 318,008 South Azerbaijani تۆرکجه azb 0.5 33,508 197,547 44,773 Bashkir Башҡорт ba 23.34 39,405 745,928 113,744 Bavarian Boarisch bar 62.19 22,786 642,797 90,036 Samogitian Žemaitėška bat-smg 6.09 16,111 357,772 27,042 Belarusian Беларуская be 25.88 144,852 2,750,069 439,450 Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 32.31 61,110 1,989,125 159,457 Bulgarian Български bg 24.21 232,257 8,351,506 516,469 Bengali বাংলা bn 443.59 51,643 2,776,191 524,342 Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.79 25,071 811,097 57,684 Breton Brezhoneg br 14.07 62,594 1,833,727 123,542 Bosnian Bosanski bs 119.83 74,860 3,051,675 353,940 Buginese Basa Ugi bug 1.03 14,132 199,043 18,515 Catalan Català ca 31.02 548,913 19,044,745 1,368,389 Chechen Нохчийн ce 0.18 164,263 1,732,010 186,966 Cebuano Sinugboanong Binisaya ceb 0.95 4,923,277 15,313,440 8,490,358 Sorani کوردی ckb 113.97 19,269 565,877 109,938 Czech Čeština cs 41.12 385,994 15,169,005 1,031,446 Chuvash Чăваш cv 4.36 40,486 628,775 68,357 Welsh Cymraeg cy 46.71 91,637 6,458,847 202,548 Danish Dansk da 66.83 229,397 9,154,333 775,045 German Deutsch de 97.84 2,083,844 172,211,836 5,898,737 Greek Ελληνικά el 70.16 133,456 6,690,890 410,245 English English en 983.84 5,447,661 901,530,034 42,585,090 Esperanto Esperanto eo 16.79 240,760 6,255,210 527,100 Spanish Español es 197 1,345,694 100,411,160 5,939,418 Estonian Eesti et 28.15 159,527 4,826,618 404,562 Basque Euskara eu 18.59 282,067 6,060,523 693,421 Persian فارسی fa 196.45 569,697 25,001,839 3,599,422 Finnish Suomi fi 44.86 418,193 17,473,524 1,130,728 Faroese Føroyskt fo 36.22 12,574 344,346 37,571 French Français fr 217.64 1,891,691 141,687,008 8,877,130 West Frisian Frysk fy 27.98 38,882 910,572 110,541 Irish Gaeilge ga 5.07 42,156 866,397 68,932 Scottish Gaelic Gàidhlig gd 21.31 14,549 547,367 30,367 Galician Galego gl 27.08 140,226 4,515,603 340,658 Gujarati ગુજરાતી gu 18.2 27,249 496,637 71,294 Hebrew עברית he 261.15 210,149 22,131,953 891,881 Hindi हिन्दी hi 115.76 120,343 3,637,889 680,245 Croatian Hrvatski hr 29.67 176,518 5,092,433 468,011 Upper Sorbian Hornjoserbsce hsb 28.37 11,935 363,413 30,289 Haitian Krèyol ayisyen ht 0.54 51,458 700,727 62,776 Hungarian Magyar hu 58.12 414,023 19,599,571 1,192,595 Armenian Հայերեն hy 39.15 225,778 5,346,295 757,550 Interlingua Interlingua ia 6.29 20,522 586,944 32,659 Indonesian Bahasa Indonesia id 123.05 406,736 14,066,790 2,184,918 Ido Ido io 5.76 27,151 914,010 40,943 Ilokano Ilokano ilo 76.11 10,814 325,691 46,439 Icelandic Íslenska is 38.69 43,424 1,619,465 115,582 Italian Italiano it 125.27 1,372,724 94,552,642 4,853,675 Japanese 日本語 ja 77.82 1,069,358 65,892,074 3,123,075 Javanese Basa Jawa jv 24.47 50,273 1,213,680 132,404 Georgian ქართული ka 33.87 116,891 3,447,829 326,097 Kazakh Қазақша kk 9.03 219,273 2,661,360 506,723 Kannada ಕನ್ನಡ kn 59.33 22,074 707,029 78,854 Korean 한국어 ko 114.05 389,966 20,961,224 1,506,393 Kurdish Kurdî ku 30.21 22,863 720,519 58,748 Kirghiz Кыргызча ky 0.24 69,395 282,477 88,562 Latin Latina la 11.96 127,013 3,377,456 245,418 Luxembourgish Lëtzebuergesch lb 27.41 49,801 2,085,163 109,562 Limburgish Limburgs li 114.14 11,950 435,347 58,916 Lombard Lumbaart lmo 31.6 35,745 1,105,493 94,484 Lithuanian Lietuvių lt 22.61 182,448 5,391,401 426,432 Latvian Latviešu lv 81.83 78,142 2,792,214 315,895 Maithili मैथिली mai 7.23 11,563 126,497 25,533 Banyumasan Basa Banyumasan map-bms 8.66 13,285 210,516 27,381 Malagasy Malagasy mg 10 83,454 836,905 218,215 Minangkabau Bahaso Minangkabau min 0.885 221,985 1,540,018 316,657 Macedonian Македонски mk 136.16 90,200 4,395,099 412,736 Malayalam മലയാളം ml 233.88 51,788 2,610,083 335,916 Mongolian Монгол mn 45.47 17,328 530,690 54,915 Marathi मराठी mr 75.46 48,097 1,535,446 198,214 Hill Mari Кырык Мары (Kyryk Mary) mrj 1.15 10,169 91,978 14,501 Malay Bahasa Melayu ms 15.47 301,114 4,424,416 806,901 Burmese language မ္ရန္‌မာစာ my 5.22 36,361 378,067 72,820 Mazandarani مَزِروني mzn 6.76 12,504 140,063 26,704 Neapolitan Nnapulitano nap 17.73 14,475 700,359 26,283 Low Saxon Plattdüütsch nds 33.32 26,450 821,236 71,500 Nepali नेपाली ne 21.96 30,616 614,305 83,520 Newari नेवारी new 12.7 72,132 842,852 196,122 Dutch Nederlands nl 13.28 1,907,107 50,641,069 3,814,784 Norwegian (Nynorsk) Nynorsk nn 17.51 134,215 2,970,825 317,982 Norwegian (Bokmål) Norsk (Bokmål) no 36.4 472,251 17,547,195 1,225,083 Occitan Occitan oc 7.01 83,480 2,212,451 138,875 Oriya ଓଡ଼ିଆ or 56.13 12,810 275,865 56,085 Ossetian Иронау os 97.03 10,512 488,148 40,242 Punjabi ਪੰਜਾਬੀ pa 24.32 26,413 389,354 88,517 Polish Polski pl 25.33 1,233,235 49,906,567 2,668,379 Piedmontese Piemontèis pms 2.46 64,164 866,607 97,974 Western Panjabi شاہ مکھی پنجابی pnb 1.19 44,727 516,155 61,597 Portuguese Português pt 142.32 974,439 50,401,828 4,414,911 Quechua Runa Simi qu 32.11 20,203 664,567 52,326 Romanian Română ro 86.73 377,776 11,597,566 1,740,842 Russian Русский ru 143.95 1,409,854 99,070,598 5,335,291 Sanskrit संस्कृतम् sa 98.9 11,182 423,808 48,990 Sakha Саха тыла sah 51.45 11,392 356,952 38,081 Sicilian Sicilianu scn 20.23 25,423 755,760 56,758 Scots Scots sco 25.83 45,814 625,066 165,712 Serbo-Croatian Srpskohrvatski / Српскохрватски sh 791.36 439,326 40,798,573 4,580,246 Sinhalese සිංහල si 88.18 13,498 411,612 63,143 Simple English Simple English simple 75.9 126,657 5,728,957 428,403 Slovak Slovenčina sk 19.21 218,663 6,551,990 477,320 Slovenian Slovenščina sl 24.91 156,983 5,031,003 369,259 Albanian Shqip sq 32.22 66,294 1,895,287 183,329 Serbian Српски sr 92.04 354,073 15,106,502 1,381,216 Sundanese Basa Sunda su 4.16 38,637 547,523 66,016 Swedish Svenska sv 5.37 3,790,210 40,500,160 7,591,394 Swahili Kiswahili sw 22.39 36,882 1,048,882 87,198 Tamil தமிழ் ta 25.94 111,946 2,470,583 315,811 Telugu తెలుగు te 49.19 67,226 2,144,730 217,312 Tajik Тоҷикӣ tg 6.75 68,390 879,834 139,025 Thai ไทย th 239.38 118,204 7,477,741 662,598 Tagalog Tagalog tl 29.74 73,780 1,658,473 220,470 Turkish Türkçe tr 220.81 295,889 19,870,286 1,506,577 Tatar Татарча tt 25.68 71,862 2,222,118 173,658 Ukrainian Українська uk 40.16 708,524 20,946,671 2,145,594 Urdu اردو ur 171.01 122,280 5,589,461 680,038 Uzbek O‘zbek uz 61.67 128,936 2,660,447 616,255 Venetian Vèneto vec 76.83 10,940 601,693 33,600 Vietnamese Tiếng Việt vi 31.16 1,159,150 26,862,368 3,492,064 Volapük Volapük vo 15.15 120,498 3,312,441 249,146 Walloon Walon wa 22.32 14,553 334,737 37,596 Waray-Waray Winaray war 3.57 1,262,781 6,297,231 2,874,006 Yiddish ייִדיש yi 43.51 14,025 539,742 38,843 Yoruba Yorùbá yo 5.4 31,572 562,964 54,368 Chinese 中文 zh 169.4 953,453 46,576,902 5,032,560 Min Nan Bân-lâm-gú zh-min-nan 10.96 219,176 1,795,303 658,834 Cantonese 粵語 zh-yue 21.96 55,867 1,145,696 150,860 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	984	98	218	25	78	125	13	142	197	144	5	169	36	45	31	40	221	87	15	41	58	17	19	67	123	261	189	114	23	92
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)