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 992 = 18.87 × 52.57 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 1063 = 154.5 × 6.88.

The Chechen Wikipedia has the smallest depth, at 9.91 = 8.98 × 1.103.

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 33.96 88,875 2,123,061 275,399 Alemannic Alemannisch als 28.63 26,960 954,485 64,439 Amharic አማርኛ am 33.56 14,832 359,080 45,375 Aragonese Aragonés an 62.65 36,713 1,648,102 112,705 Arabic العربية ar 183.65 1,029,721 43,390,477 6,381,213 Egyptian Arabic مصرى arz 8 120,277 1,120,746 294,807 Asturian Asturianu ast 5.74 100,116 2,773,092 157,210 Azerbaijani Azərbaycanca az 31.6 155,330 5,032,181 402,145 South Azerbaijani تۆرکجه azb 8.2 167,164 1,213,160 463,965 Bashkir Башҡорт ba 21.51 51,112 933,178 144,339 Bavarian Boarisch bar 45.07 30,805 739,745 110,866 Samogitian Žemaitėška bat-smg 5.83 16,854 349,742 28,463 Belarusian Беларуская be 26.59 185,305 3,546,897 567,497 Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 35.03 68,972 2,104,723 192,389 Bulgarian Български bg 25.73 259,728 9,914,353 577,784 Bengali বাংলা bn 355.48 81,376 3,981,806 745,062 Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.7 25,095 782,539 58,498 Breton Brezhoneg br 12.73 67,727 1,860,882 132,097 Bosnian Bosanski bs 99.13 81,982 3,139,732 357,360 Buginese Basa Ugi bug 1.11 14,127 192,699 18,764 Catalan Català ca 30.88 637,751 22,698,937 1,569,665 Chechen Нохчийн ce 9.91 254,286 4,684,118 521,339 Min Dong Mìng-dĕ̤ng-ngṳ̄ cdo 2.8 15,443 86,297 30,918 Cebuano Sinugboanong Binisaya ceb 2 5,378,553 29,556,228 9,744,208 Sorani کوردی ckb 89.36 25,468 661,564 133,691 Czech Čeština cs 46.7 446,050 18,120,683 1,245,011 Chuvash Чăваш cv 5.54 42,625 666,980 76,618 Welsh Cymraeg cy 59.49 107,117 9,701,643 235,962 Danish Dansk da 63.74 257,076 10,216,851 848,598 German Deutsch de 94.1 2,398,099 195,520,895 6,706,520 Greek Ελληνικά el 62.14 173,592 8,059,596 521,755 Emilian-Romagnol Emiliàn e rumagnòl eml 11.17 12,306 135,393 32,439 English English en 991.76 6,016,067 936,446,255 49,633,848 Esperanto Esperanto eo 16.79 275,066 6,862,502 611,471 Spanish Español es 205.49 1,577,221 123,132,433 6,947,942 Estonian Eesti et 22.01 206,046 5,551,030 494,568 Basque Euskara eu 11.43 350,940 7,723,150 710,831 Persian فارسی fa 180.58 710,366 28,184,909 4,542,786 Finnish Suomi fi 40.75 478,755 18,679,149 1,278,210 Faroese Føroyskt fo 34.71 13,302 357,878 39,256 French Français fr 234.35 2,181,128 167,037,922 10,587,423 West Frisian Frysk fy 31.15 43,450 983,100 132,478 Irish Gaeilge ga 4.44 52,138 952,071 84,953 Scottish Gaelic Gàidhlig gd 20.2 15,055 553,854 31,087 Galician Galego gl 35.79 161,599 5,375,097 437,354 Gujarati ગુજરાતી gu 41.07 28,878 694,396 98,628 Hebrew עברית he 260.59 258,411 27,202,879 1,095,558 Hindi हिन्दी hi 173.85 136,048 4,498,673 968,266 Croatian Hrvatski hr 22.42 215,060 5,444,232 533,963 Upper Sorbian Hornjoserbsce hsb 25.72 13,496 367,674 34,444 Haitian Krèyol ayisyen ht 0.52 57,903 738,888 70,825 Hungarian Magyar hu 58.85 464,752 22,218,506 1,340,441 Armenian Հայերեն hy 41.42 264,008 6,750,084 876,192 Interlingua Interlingua ia 6.21 22,068 618,370 35,192 Indonesian Bahasa Indonesia id 108.87 520,318 16,536,801 2,723,566 Ido Ido io 5.37 29,230 953,841 43,732 Ilokano Ilokano ilo 56.31 14,173 351,590 56,991 Icelandic Íslenska is 34.74 49,058 1,658,575 130,011 Italian Italiano it 165.66 1,583,171 110,590,154 6,537,544 Japanese 日本語 ja 83.18 1,190,317 76,025,639 3,529,286 Javanese Basa Jawa jv 27.9 57,227 1,507,593 153,762 Georgian ქართული ka 35.52 134,902 3,798,478 393,767 Kazakh Қазақша kk 10.03 226,163 2,741,264 545,733 Kannada ಕನ್ನಡ kn 100.08 25,733 972,019 113,830 Korean 한국어 ko 148.81 484,025 25,697,641 2,219,156 Kurdish Kurdî ku 24.03 26,804 746,563 65,814 Kirghiz Кыргызча ky 0.35 79,756 353,826 105,470 Latin Latina la 12.69 132,164 3,499,991 260,670 Luxembourgish Lëtzebuergesch lb 23.99 57,718 2,251,908 124,076 Limburgish Limburgs li 108.62 12,729 440,557 62,828 Lombard Lumbaart lmo 24.49 39,309 994,184 101,444 Lithuanian Lietuvių lt 23.14 198,237 5,744,555 471,387 Latvian Latviešu lv 72.58 100,299 3,169,407 406,215 Maithili मैथिली mai 14.42 13,511 203,421 34,705 Banyumasan Basa Banyumasan map-bms 9.98 13,344 208,822 29,070 Malagasy Malagasy mg 10.02 92,710 979,262 237,130 Meadow Mari Олык Марий (Olyk Marij) mhr 15.23 10,100 178,805 24,772 Minangkabau Bahaso Minangkabau min 1.296 223,728 2,013,593 326,249 Macedonian Македонски mk 101.39 104,128 3,917,271 465,610 Malayalam മലയാളം ml 208.53 67,629 3,226,652 419,952 Mongolian Монгол mn 75 18,995 606,355 77,993 Marathi मराठी mr 72.36 56,231 1,732,093 230,858 Hill Mari Кырык Мары (Kyryk Mary) mrj 2.31 10,270 95,828 16,815 Malay Bahasa Melayu ms 15.68 334,694 4,706,528 920,912 Burmese language မြန်မာဘာသာ my 11.08 45,364 503,023 118,721 Mazandarani مَزِروني mzn 7.38 13,127 149,987 28,732 Neapolitan Nnapulitano nap 10.29 14,559 660,076 23,343 Low Saxon Plattdüütsch nds 7.88 60,545 909,970 123,051 Nepali नेपाली ne 25.86 34,029 768,168 94,826 Newari नेवारी new 12.73 72,233 845,387 196,465 Dutch Nederlands nl 15.88 1,996,091 55,521,409 4,178,391 Norwegian (Nynorsk) Nynorsk nn 15.63 151,682 3,188,697 350,503 Norwegian (Bokmål) Norsk (Bokmål) no 41.6 528,482 20,146,277 1,439,750 Occitan Occitan oc 6.77 87,736 2,152,098 147,515 Oriya ଓଡ଼ିଆ or 61.35 15,511 382,377 65,975 Ossetian Иронау os 84.28 11,851 476,227 45,469 Punjabi ਪੰਜਾਬੀ pa 26.03 33,799 507,260 116,394 Polish Polski pl 30.48 1,384,804 58,613,109 3,159,978 Piedmontese Piemontèis pms 2.45 64,589 845,825 99,243 Western Panjabi شاہ مکھی پنجابی pnb 2.55 52,378 546,298 85,486 Portuguese Português pt 172.76 1,020,799 57,270,235 4,975,617 Quechua Runa Simi qu 25.67 21,788 638,848 53,832 Romanian Română ro 117.46 404,332 13,230,188 2,185,309 Russian Русский ru 136.96 1,597,902 104,873,844 6,112,607 Sanskrit संस्कृतम् sa 137.57 11,453 450,364 60,816 Sakha Саха тыла sah 50.96 12,198 350,260 42,546 Sicilian Sicilianu scn 16.5 26,068 726,643 55,269 Scots Scots sco 24.83 56,493 739,154 204,607 Sindhi سنڌي، سندھی ، सिन्ध sd 21.74 12,916 181,973 41,768 Serbo-Croatian Srpskohrvatski / Српскохрватски sh 758.35 450,940 40,935,817 4,624,976 Sinhalese සිංහල si 81.64 15,531 446,348 71,825 Simple English Simple English simple 76.63 155,038 6,796,824 536,238 Slovak Slovenčina sk 20 232,442 6,958,924 515,363 Slovenian Slovenščina sl 25.94 166,942 5,265,105 401,811 Albanian Shqip sq 34.39 78,563 2,071,036 233,158 Serbian Српски sr 156.06 630,000 22,903,355 3,861,723 Sundanese Basa Sunda su 1.98 59,850 595,984 93,180 Swedish Svenska sv 7.08 3,738,278 47,165,212 7,775,978 Swahili Kiswahili sw 11 55,693 1,097,875 115,654 Tamil தமிழ் ta 32.75 127,078 2,901,278 395,652 Telugu తెలుగు te 82.85 70,182 2,842,932 265,347 Tajik Тоҷикӣ tg 9.1 100,368 1,120,464 240,675 Thai ไทย th 275.92 135,310 8,696,217 829,470 Tagalog Tagalog tl 31.57 76,912 1,736,526 236,343 Turkish Türkçe tr 206.61 342,119 21,465,908 1,743,664 Tatar Татарча tt 22.14 88,912 2,423,953 212,890 Ukrainian Українська uk 39.02 990,211 27,212,489 3,066,707 Urdu اردو ur 101.37 151,776 4,078,002 849,067 Uzbek O‘zbek uz 45.9 133,232 2,075,593 630,889 Venetian Vèneto vec 31.48 17,045 613,343 42,099 Vietnamese Tiếng Việt vi 571.1 1,240,059 58,640,682 17,367,616 Volapük Volapük vo 13.97 124,115 3,208,886 254,851 Walloon Walon wa 21.78 15,594 353,794 40,096 Waray-Waray Winaray war 3.52 1,263,923 6,207,889 2,878,143 Wu 吴语 wuu 1.3 27,690 263,628 39,975 Mingrelian მარგალური (Margaluri) xmf 6.64 13,644 141,679 29,751 Yiddish ייִדיש yi 42.1 14,982 548,820 41,812 Yoruba Yorùbá yo 4.9 32,296 524,340 55,568 Chinese 中文 zh 196.27 1,096,638 57,885,306 6,072,963 Min Nan Bân-lâm-gú zh-min-nan 11.99 255,863 2,165,209 791,693 Cantonese 粵語 zh-yue 16.62 77,399 1,370,761 197,005 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	992	94	234	30	83	166	16	173	205	137	7	196	42	41	31	39	207	117	14	47	59	17	20	64	109	261	184	149	23	156
1 Jan 2019	937	95	225	29	81	157	15	154	196	132	6	181	40	42	30	37	199	112	14	45	58	17	19	67	118	254	238	146	22	144
1 July 2018	907	94	224	28	80	155	14	150	205	134	6	175	39	42	30	38	205	110	14	42	58	17	19	67	117	247	225	110	23	141
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 by featured and good articles (updated manually)
• List of Wikipedias by creation date (incomplete)
• List of Wikipedias having zero local media files
• 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)