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 967 = 18.75 × 51.57 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 = 154.8 × 6.86.

The Chechen Wikipedia has the smallest depth, at 0.182 = 12.14 × 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 32.88 83,870 2,024,712 254,295 Alemannic Alemannisch als 26.52 26,164 914,748 60,937 Amharic አማርኛ am 33.25 14,811 355,785 45,276 Aragonese Aragonés an 65.33 35,695 1,635,916 110,767 Arabic العربية ar 167.89 918,293 37,515,888 5,455,671 Egyptian Arabic مصرى arz 285.96 20,800 883,149 179,274 Asturian Asturianu ast 4.72 99,726 2,424,252 154,439 Azerbaijani Azərbaycanca az 31.9 149,076 4,829,376 387,413 South Azerbaijani تۆرکجه azb 7.4 151,963 1,027,371 413,304 Bashkir Башҡорт ba 21.66 49,505 902,392 140,378 Bavarian Boarisch bar 48.8 28,571 718,180 104,827 Samogitian Žemaitėška bat-smg 5.76 16,761 347,667 28,217 Belarusian Беларуская be 28.59 174,610 3,415,621 548,877 Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 34.89 67,867 2,077,493 188,667 Bulgarian Български bg 25.18 254,754 9,555,046 565,840 Bengali বাংলা bn 381.74 72,071 3,607,468 686,230 Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.55 25,089 781,732 58,356 Breton Brezhoneg br 12.76 67,071 1,838,700 131,037 Bosnian Bosanski bs 105.26 80,509 2,997,554 371,161 Buginese Basa Ugi bug 1.07 14,129 192,289 18,696 Catalan Català ca 30.4 619,956 21,694,260 1,526,851 Chechen Нохчийн ce 0.18 221,002 3,012,211 248,027 Min Dong Mìng-dĕ̤ng-ngṳ̄ cdo 2.58 14,616 78,931 28,797 Cebuano Sinugboanong Binisaya ceb 1.75 5,353,258 28,364,856 9,442,563 Sorani کوردی ckb 90.8 24,380 635,356 129,100 Czech Čeština cs 46.12 433,359 17,536,988 1,204,730 Chuvash Чăваш cv 5.34 42,078 657,432 74,901 Welsh Cymraeg cy 54.02 105,801 8,856,818 231,536 Danish Dansk da 64.13 251,791 10,004,679 833,949 German Deutsch de 94.11 2,333,709 190,133,092 6,528,884 Greek Ελληνικά el 60.53 166,821 7,660,353 497,625 Emilian-Romagnol Emiliàn e rumagnòl eml 11.03 12,094 131,667 31,852 English English en 966.85 5,911,613 906,739,459 48,364,705 Esperanto Esperanto eo 17.17 262,994 6,663,098 586,199 Spanish Español es 200.97 1,538,272 117,889,001 6,760,388 Estonian Eesti et 22.5 200,429 5,421,232 484,724 Basque Euskara eu 10.68 337,494 7,022,374 680,900 Persian فارسی fa 177.23 687,792 26,751,529 4,402,142 Finnish Suomi fi 41.36 466,603 18,296,160 1,251,419 Faroese Føroyskt fo 34.94 13,167 355,198 38,933 French Français fr 229.64 2,132,401 161,465,812 10,289,902 West Frisian Frysk fy 31.04 42,611 970,369 129,250 Irish Gaeilge ga 4.39 51,451 934,670 83,719 Scottish Gaelic Gàidhlig gd 20.66 14,832 549,340 30,793 Galician Galego gl 34.16 158,246 5,217,406 420,968 Gujarati ગુજરાતી gu 36.52 28,578 668,978 92,961 Hebrew עברית he 259.33 248,526 26,044,303 1,053,426 Hindi हिन्दी hi 159.4 132,632 4,273,761 901,886 Croatian Hrvatski hr 22.75 208,511 5,292,070 520,356 Upper Sorbian Hornjoserbsce hsb 25.65 13,431 365,514 34,255 Haitian Krèyol ayisyen ht 0.54 56,356 730,307 69,036 Hungarian Magyar hu 58.38 455,620 21,557,783 1,315,568 Armenian Հայերեն hy 40.98 256,813 6,490,172 852,734 Interlingua Interlingua ia 6.18 21,863 613,451 34,815 Indonesian Bahasa Indonesia id 104.13 500,340 15,432,381 2,593,292 Ido Ido io 5.61 28,613 948,873 43,044 Ilokano Ilokano ilo 56.97 13,017 341,049 51,016 Icelandic Íslenska is 35.38 48,054 1,640,998 127,822 Italian Italiano it 161.35 1,547,901 106,912,917 6,333,533 Japanese 日本語 ja 82.34 1,164,299 73,699,400 3,450,261 Javanese Basa Jawa jv 28.06 56,420 1,488,483 151,885 Georgian ქართული ka 35.21 131,338 3,706,980 381,258 Kazakh Қазақша kk 9.75 224,828 2,703,052 537,983 Kannada ಕನ್ನಡ kn 93.71 24,925 926,437 106,881 Korean 한국어 ko 149.22 465,975 24,683,597 2,143,280 Kurdish Kurdî ku 24.27 26,245 735,232 64,561 Kirghiz Кыргызча ky 0.35 79,517 350,589 105,136 Latin Latina la 12.52 131,046 3,461,548 257,546 Luxembourgish Lëtzebuergesch lb 23.72 57,033 2,191,175 122,796 Limburgish Limburgs li 109.49 12,439 434,827 61,315 Lombard Lumbaart lmo 24.77 38,823 987,629 100,444 Lithuanian Lietuvių lt 22.6 196,195 5,591,089 465,268 Latvian Latviešu lv 72.55 97,735 3,092,888 395,365 Maithili मैथिली mai 12.98 13,403 193,588 33,482 Banyumasan Basa Banyumasan map-bms 9.79 13,363 208,205 28,959 Malagasy Malagasy mg 10.09 91,863 971,953 235,488 Meadow Mari Олык Марий (Olyk Marij) mhr 14.26 10,047 176,659 24,045 Minangkabau Bahaso Minangkabau min 1.027 222,906 1,645,452 322,965 Macedonian Македонски mk 102.85 101,965 3,860,559 458,226 Malayalam മലയാളം ml 212.36 64,773 3,140,092 402,873 Mongolian Монгол mn 66.83 18,849 586,377 73,348 Marathi मराठी mr 74.85 54,064 1,693,424 224,296 Hill Mari Кырык Мары (Kyryk Mary) mrj 2.02 10,268 94,994 16,325 Malay Bahasa Melayu ms 15.8 328,742 4,611,479 908,929 Burmese language မြန်မာဘာသာ my 7.63 44,686 470,347 102,227 Mazandarani مَزِروني mzn 7.33 13,117 148,849 28,714 Neapolitan Nnapulitano nap 10.23 14,542 658,248 23,290 Low Saxon Plattdüütsch nds 9.62 53,281 878,730 112,368 Nepali नेपाली ne 27.07 32,308 738,640 91,460 Newari नेवारी new 12.72 72,230 845,093 196,437 Dutch Nederlands nl 15.41 1,975,923 54,242,236 4,111,427 Norwegian (Nynorsk) Nynorsk nn 15.67 149,727 3,152,527 346,081 Norwegian (Bokmål) Norsk (Bokmål) no 41.53 516,910 19,643,293 1,409,109 Occitan Occitan oc 6.78 86,087 2,122,875 144,566 Oriya ଓଡ଼ିଆ or 62.11 15,044 372,224 64,333 Ossetian Иронау os 85.26 11,658 474,493 44,696 Punjabi ਪੰਜਾਬੀ pa 27.33 31,621 484,265 110,637 Polish Polski pl 30.3 1,351,261 57,073,264 3,078,865 Piedmontese Piemontèis pms 2.44 64,505 842,984 99,006 Western Panjabi شاہ مکھی پنجابی pnb 2.43 47,983 529,990 76,372 Portuguese Português pt 166.88 1,012,547 55,845,218 4,878,753 Quechua Runa Simi qu 26.42 21,443 636,935 53,337 Romanian Română ro 114.71 400,023 12,982,395 2,139,162 Russian Русский ru 134.97 1,563,156 101,379,560 5,970,060 Sanskrit संस्कृतम् sa 130.38 11,400 445,101 58,651 Sakha Саха тыла sah 50.44 12,038 347,217 41,646 Sicilian Sicilianu scn 16.47 26,059 725,705 55,233 Scots Scots sco 24.82 54,609 709,356 198,533 Sindhi سنڌي، سندھی ، सिन्ध sd 16.11 12,010 150,911 35,336 Serbo-Croatian Srpskohrvatski / Српскохрватски sh 760.21 449,879 40,894,445 4,618,314 Sinhalese සිංහල si 81.65 15,277 439,382 70,617 Simple English Simple English simple 77.98 148,459 6,615,884 513,810 Slovak Slovenčina sk 19.47 230,826 6,859,163 507,971 Slovenian Slovenščina sl 25.34 165,154 5,164,554 395,113 Albanian Shqip sq 31.26 77,463 1,981,702 222,641 Serbian Српски sr 151.04 623,176 22,057,058 3,803,563 Sundanese Basa Sunda su 2.57 53,021 579,185 85,732 Swedish Svenska sv 6.75 3,748,708 46,125,512 7,736,625 Swahili Kiswahili sw 11.2 53,410 1,075,465 110,788 Tamil தமிழ் ta 31.1 123,018 2,784,619 374,662 Telugu తెలుగు te 71.87 71,034 2,699,075 256,775 Tajik Тоҷикӣ tg 4.32 98,191 1,040,777 183,985 Thai ไทย th 268.59 132,796 8,437,317 805,061 Tagalog Tagalog tl 31.65 75,601 1,708,217 232,521 Turkish Türkçe tr 201.22 332,148 20,831,595 1,663,620 Tatar Татарча tt 22.14 86,759 2,387,516 206,943 Ukrainian Українська uk 37.93 928,405 25,849,134 2,815,272 Urdu اردو ur 100.71 148,087 3,947,118 829,271 Uzbek O‘zbek uz 46.47 131,351 2,047,284 626,763 Venetian Vèneto vec 62.55 12,426 603,375 36,646 Vietnamese Tiếng Việt vi 458.6 1,231,830 54,895,772 15,039,291 Volapük Volapük vo 14.12 122,993 3,200,989 252,928 Walloon Walon wa 21.96 15,310 349,058 39,421 Waray-Waray Winaray war 3.52 1,263,693 6,202,555 2,877,524 Wu 吴语 wuu 2.48 21,075 253,734 33,054 Mingrelian მარგალური (Margaluri) xmf 6.86 13,112 138,606 28,755 Yiddish ייִדיש yi 42 14,799 543,830 41,197 Yoruba Yorùbá yo 4.91 31,907 519,516 54,902 Chinese 中文 zh 190.17 1,070,338 55,413,191 5,877,451 Min Nan Bân-lâm-gú zh-min-nan 13.18 228,308 1,931,550 742,149 Cantonese 粵語 zh-yue 16.89 73,759 1,317,819 188,375 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	967	94	230	30	82	161	15	167	201	135	7	190	42	41	30	38	201	115	14	46	58	17	19	64	104	259	168	149	23	151
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 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)