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 974 = 18.79 × 51.81 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 1062 = 154.7 × 6.87.

The Chechen Wikipedia has the smallest depth, at 5.386 = 8.03 × 0.671.

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 32.7 85,946 2,052,301 261,336 Alemannic Alemannisch als 26.89 26,587 927,570 62,320 Amharic አማርኛ am 33.27 14,849 357,197 45,378 Aragonese Aragonés an 64.24 36,072 1,640,252 111,429 Arabic العربية ar 167.47 963,906 39,024,121 5,753,660 Egyptian Arabic مصرى arz 275.29 21,730 902,594 184,923 Asturian Asturianu ast 5.07 99,677 2,542,100 155,108 Azerbaijani Azərbaycanca az 32.1 150,538 4,889,373 392,102 South Azerbaijani تۆرکجه azb 9 152,157 1,127,675 435,525 Bashkir Башҡорт ba 21.66 49,925 912,840 141,361 Bavarian Boarisch bar 44.2 30,177 725,363 107,366 Samogitian Žemaitėška bat-smg 5.79 16,799 348,654 28,325 Belarusian Беларуская be 27.75 178,781 3,460,238 556,430 Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 34.62 68,140 2,086,708 188,719 Bulgarian Български bg 25.13 256,688 9,622,462 569,793 Bengali বাংলা bn 373.89 75,157 3,743,154 706,536 Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.64 25,085 781,951 58,425 Breton Brezhoneg br 12.78 67,252 1,847,154 131,370 Bosnian Bosanski bs 105.88 80,865 3,034,134 372,363 Buginese Basa Ugi bug 1.08 14,125 192,343 18,697 Catalan Català ca 30.67 625,711 22,096,930 1,540,806 Chechen Нохчийн ce 5.39 254,132 3,711,338 462,297 Min Dong Mìng-dĕ̤ng-ngṳ̄ cdo 2.69 15,269 83,996 30,300 Cebuano Sinugboanong Binisaya ceb 2 5,378,866 29,548,752 9,743,871 Sorani کوردی ckb 89.43 24,816 643,347 130,519 Czech Čeština cs 46.25 437,118 17,704,265 1,216,287 Chuvash Чăваш cv 5.42 42,189 660,098 75,371 Welsh Cymraeg cy 55.59 106,254 9,088,989 233,127 Danish Dansk da 63.78 253,916 10,067,367 839,461 German Deutsch de 93.92 2,355,543 191,908,238 6,583,817 Greek Ελληνικά el 61.03 169,319 7,820,696 505,673 Emilian-Romagnol Emiliàn e rumagnòl eml 11.05 12,144 132,413 31,979 English English en 973.65 5,954,016 917,305,940 48,809,435 Esperanto Esperanto eo 16.6 269,676 6,740,832 596,535 Spanish Español es 202.95 1,551,635 120,063,150 6,819,914 Estonian Eesti et 22.33 202,173 5,462,625 487,642 Basque Euskara eu 10.78 338,699 7,091,484 684,088 Persian فارسی fa 179.32 695,766 27,339,884 4,458,136 Finnish Suomi fi 41.2 470,390 18,425,700 1,259,921 Faroese Føroyskt fo 34.83 13,209 356,237 39,006 French Français fr 231.04 2,147,590 163,192,077 10,380,655 West Frisian Frysk fy 30.98 42,875 974,614 130,048 Irish Gaeilge ga 4.42 51,614 942,425 84,028 Scottish Gaelic Gàidhlig gd 20.68 14,834 550,020 30,795 Galician Galego gl 34.86 159,323 5,270,026 427,136 Gujarati ગુજરાતી gu 38.27 28,640 677,525 94,975 Hebrew עברית he 259.41 252,010 26,470,177 1,066,883 Hindi हिन्दी hi 165.06 133,627 4,343,553 926,539 Croatian Hrvatski hr 22.6 210,575 5,329,135 524,682 Upper Sorbian Hornjoserbsce hsb 25.69 13,434 366,063 34,266 Haitian Krèyol ayisyen ht 0.53 56,652 732,442 69,368 Hungarian Magyar hu 58.59 458,586 21,764,254 1,324,559 Armenian Հայերեն hy 41.11 259,192 6,575,763 860,291 Interlingua Interlingua ia 6.2 21,902 614,897 34,888 Indonesian Bahasa Indonesia id 108.49 506,178 16,015,194 2,651,318 Ido Ido io 5.51 28,854 950,849 43,313 Ilokano Ilokano ilo 52.98 13,545 343,012 51,890 Icelandic Íslenska is 35.14 48,457 1,648,260 128,734 Italian Italiano it 162.91 1,559,211 108,052,297 6,404,271 Japanese 日本語 ja 82.59 1,173,372 74,478,934 3,477,633 Javanese Basa Jawa jv 28.06 56,657 1,494,020 152,565 Georgian ქართული ka 35.31 132,202 3,732,506 384,268 Kazakh Қазақша kk 9.83 225,410 2,715,207 540,868 Kannada ಕನ್ನಡ kn 96.77 25,141 943,699 109,313 Korean 한국어 ko 148.35 472,558 25,002,230 2,167,049 Kurdish Kurdî ku 24.37 26,304 738,489 64,751 Kirghiz Кыргызча ky 0.35 79,735 351,493 105,421 Latin Latina la 12.58 131,350 3,472,593 258,451 Luxembourgish Lëtzebuergesch lb 23.78 57,310 2,208,859 123,353 Limburgish Limburgs li 108.78 12,621 437,433 62,296 Lombard Lumbaart lmo 24.64 39,045 990,781 100,894 Lithuanian Lietuvių lt 22.76 196,925 5,638,187 467,390 Latvian Latviešu lv 72.74 98,527 3,117,273 399,254 Maithili मैथिली mai 13.64 13,456 199,794 33,943 Banyumasan Basa Banyumasan map-bms 9.87 13,327 208,310 28,927 Malagasy Malagasy mg 10.08 92,109 974,687 235,995 Meadow Mari Олык Марий (Olyk Marij) mhr 14.67 10,053 177,154 24,317 Minangkabau Bahaso Minangkabau min 1.188 223,221 1,876,873 324,390 Macedonian Македонски mk 102.33 102,572 3,873,757 460,217 Malayalam മലയാളം ml 209.84 66,056 3,177,877 409,586 Mongolian Монгол mn 68.68 18,930 592,749 74,575 Marathi मराठी mr 72.81 55,166 1,706,346 226,774 Hill Mari Кырык Мары (Kyryk Mary) mrj 2.17 10,268 95,407 16,580 Malay Bahasa Melayu ms 15.78 330,522 4,642,544 912,629 Burmese language မြန်မာဘာသာ my 9.47 45,046 487,233 111,322 Mazandarani مَزِروني mzn 7.36 13,122 149,434 28,731 Neapolitan Nnapulitano nap 10.26 14,554 659,659 23,321 Low Saxon Plattdüütsch nds 8.2 57,859 890,064 118,248 Nepali नेपाली ne 25.54 33,291 748,874 92,385 Newari नेवारी new 12.72 72,232 845,191 196,456 Dutch Nederlands nl 15.53 1,981,435 54,644,330 4,127,149 Norwegian (Nynorsk) Nynorsk nn 15.62 150,398 3,163,409 347,324 Norwegian (Bokmål) Norsk (Bokmål) no 41.57 521,038 19,813,824 1,420,587 Occitan Occitan oc 6.78 86,425 2,133,623 145,115 Oriya ଓଡ଼ିଆ or 62.1 15,145 375,286 64,699 Ossetian Иронау os 85.11 11,707 474,943 44,923 Punjabi ਪੰਜਾਬੀ pa 27.6 31,962 491,154 112,232 Polish Polski pl 30.09 1,365,834 57,559,228 3,106,158 Piedmontese Piemontèis pms 2.44 64,523 844,532 99,069 Western Panjabi شاہ مکھی پنجابی pnb 2.43 48,902 534,025 78,060 Portuguese Português pt 168.94 1,015,123 56,322,178 4,911,293 Quechua Runa Simi qu 26.42 21,490 637,965 53,468 Romanian Română ro 115.78 401,538 13,068,584 2,156,722 Russian Русский ru 135.66 1,574,449 102,511,289 6,017,419 Sanskrit संस्कृतम् sa 132.43 11,419 446,725 59,293 Sakha Саха тыла sah 50.64 12,055 347,636 41,805 Sicilian Sicilianu scn 16.48 26,061 726,114 55,243 Scots Scots sco 24.78 55,126 717,225 200,042 Sindhi سنڌي، سندھی ، सिन्ध sd 16.14 12,260 155,609 35,930 Serbo-Croatian Srpskohrvatski / Српскохрватски sh 759.62 450,162 40,902,250 4,619,896 Sinhalese සිංහල si 81.18 15,406 441,672 71,100 Simple English Simple English simple 77.52 150,486 6,670,570 520,632 Slovak Slovenčina sk 19.75 231,361 6,902,167 511,192 Slovenian Slovenščina sl 25.58 165,714 5,198,189 397,493 Albanian Shqip sq 33.72 77,865 2,042,131 229,419 Serbian Српски sr 151.59 625,436 22,212,478 3,817,961 Sundanese Basa Sunda su 1.95 59,571 592,053 92,435 Swedish Svenska sv 6.84 3,748,178 46,362,845 7,759,466 Swahili Kiswahili sw 11.17 54,216 1,086,156 112,559 Tamil தமிழ் ta 31.68 123,773 2,812,762 379,780 Telugu తెలుగు te 74.29 71,352 2,750,009 260,704 Tajik Тоҷикӣ tg 4.3 98,726 1,044,351 184,887 Thai ไทย th 271.72 133,626 8,530,149 814,096 Tagalog Tagalog tl 31.87 75,871 1,718,220 233,910 Turkish Türkçe tr 200.45 334,832 21,011,967 1,672,146 Tatar Татарча tt 22.08 87,439 2,395,134 208,736 Ukrainian Українська uk 38.36 942,311 26,247,070 2,873,401 Urdu اردو ur 100.23 149,317 3,976,116 833,927 Uzbek O‘zbek uz 46.2 132,168 2,059,636 628,386 Venetian Vèneto vec 62.91 12,435 604,219 36,765 Vietnamese Tiếng Việt vi 472.66 1,237,453 55,826,918 15,339,705 Volapük Volapük vo 14.05 123,476 3,203,884 253,743 Walloon Walon wa 21.9 15,374 350,002 39,561 Waray-Waray Winaray war 3.52 1,263,774 6,204,372 2,877,748 Wu 吴语 wuu 2.21 22,145 255,790 34,187 Mingrelian მარგალური (Margaluri) xmf 6.82 13,183 139,024 28,868 Yiddish ייִדיש yi 41.91 14,881 545,564 41,427 Yoruba Yorùbá yo 4.92 31,947 520,266 54,989 Chinese 中文 zh 192.92 1,077,781 56,229,459 5,945,525 Min Nan Bân-lâm-gú zh-min-nan 13.19 228,395 1,933,243 742,391 Cantonese 粵語 zh-yue 16.97 74,570 1,335,719 190,597 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	974	94	231	30	83	163	16	169	203	136	7	193	42	41	31	38	200	116	14	46	59	17	20	64	108	259	167	148	23	152
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)