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 948 = 18.66 × 50.82 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 1069 = 155.17 × 6.89.

The Chechen Wikipedia has the smallest depth, at 0.219 = 12.24 × 0.018.

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 34.98 76,883 1,960,724 233,970 Alemannic Alemannisch als 26.35 25,556 892,749 59,392 Amharic አማርኛ am 34.45 14,544 352,987 45,034 Aragonese Aragonés an 67.9 34,718 1,625,891 108,686 Arabic العربية ar 218.59 711,053 33,623,544 4,599,078 Egyptian Arabic مصرى arz 274.35 20,351 851,197 171,780 Asturian Asturianu ast 4.07 99,625 2,210,992 152,407 Azerbaijani Azərbaycanca az 31.4 144,758 4,640,198 375,294 South Azerbaijani تۆرکجه azb 5.5 134,673 876,567 327,756 Bashkir Башҡорт ba 22.21 47,324 873,360 135,015 Bavarian Boarisch bar 50.35 27,839 709,358 103,175 Samogitian Žemaitėška bat-smg 5.76 16,693 346,707 28,095 Belarusian Беларуская be 30.79 165,181 3,331,456 531,181 Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 33.17 66,332 2,039,448 179,746 Bulgarian Български bg 25.08 250,466 9,328,444 556,969 Bengali বাংলা bn 413.98 65,481 3,383,614 648,962 Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.48 25,086 781,224 58,292 Breton Brezhoneg br 12.89 66,413 1,826,746 130,015 Bosnian Bosanski bs 106.58 79,647 2,976,456 369,270 Buginese Basa Ugi bug 1.07 14,122 192,079 18,675 Catalan Català ca 29.74 609,039 20,861,133 1,499,426 Chechen Нохчийн ce 0.22 207,482 2,878,305 235,220 Min Dong Mìng-dĕ̤ng-ngṳ̄ cdo 2.47 14,341 76,265 28,005 Cebuano Sinugboanong Binisaya ceb 1.37 5,375,467 25,830,656 9,113,514 Sorani کوردی ckb 94.44 23,131 610,213 124,777 Czech Čeština cs 45.16 425,098 17,023,485 1,175,894 Chuvash Чăваш cv 5.23 41,849 654,253 74,045 Welsh Cymraeg cy 46.39 104,087 7,734,577 225,006 Danish Dansk da 64.27 248,028 9,841,527 823,060 German Deutsch de 94.18 2,283,801 185,555,307 6,399,971 Greek Ελληνικά el 62.57 160,062 7,444,679 482,336 Emilian-Romagnol Emiliàn e rumagnòl eml 11.27 11,940 129,237 31,830 English English en 948.46 5,826,681 883,925,579 47,365,397 Esperanto Esperanto eo 17.24 255,992 6,535,335 569,877 Spanish Español es 196.47 1,511,834 114,247,155 6,608,496 Estonian Eesti et 24.08 188,835 5,237,803 464,881 Basque Euskara eu 10.27 331,559 6,763,590 664,629 Persian فارسی fa 175.5 669,695 25,669,867 4,301,383 Finnish Suomi fi 42.35 454,063 17,961,349 1,226,035 Faroese Føroyskt fo 35.86 12,911 350,728 38,540 French Français fr 227.48 2,090,727 157,243,342 10,071,092 West Frisian Frysk fy 30.49 41,727 951,333 125,377 Irish Gaeilge ga 4.41 50,566 921,246 82,305 Scottish Gaelic Gàidhlig gd 20.52 14,795 544,941 30,703 Galician Galego gl 33.16 155,308 5,085,069 408,919 Gujarati ગુજરાતી gu 34 28,371 654,406 89,581 Hebrew עברית he 255.4 240,138 25,064,486 1,010,833 Hindi हिन्दी hi 150.8 130,087 4,135,844 857,480 Croatian Hrvatski hr 23.16 203,854 5,214,373 510,912 Upper Sorbian Hornjoserbsce hsb 25.63 13,391 364,541 34,135 Haitian Krèyol ayisyen ht 0.56 55,011 724,491 67,558 Hungarian Magyar hu 58.37 446,968 21,039,088 1,293,835 Armenian Հայերեն hy 39.84 253,407 6,216,158 842,096 Interlingua Interlingua ia 6.27 21,375 606,118 34,059 Indonesian Bahasa Indonesia id 118.91 456,476 14,881,710 2,494,418 Ido Ido io 5.6 28,309 943,518 42,526 Ilokano Ilokano ilo 67.08 11,870 334,867 49,096 Icelandic Íslenska is 36.35 46,655 1,624,582 124,528 Italian Italiano it 156.51 1,514,595 103,162,183 6,135,682 Japanese 日本語 ja 81.63 1,144,033 71,857,916 3,388,686 Javanese Basa Jawa jv 28.45 55,263 1,473,027 149,015 Georgian ქართული ka 35.61 127,664 3,634,415 371,119 Kazakh Қазақша kk 9.57 223,833 2,675,955 532,729 Kannada ಕನ್ನಡ kn 90.5 24,426 906,140 102,624 Korean 한국어 ko 150.63 449,477 23,816,220 2,079,575 Kurdish Kurdî ku 24.47 25,216 715,874 61,893 Kirghiz Кыргызча ky 0.34 79,405 348,460 104,827 Latin Latina la 12.16 130,242 3,393,763 254,645 Luxembourgish Lëtzebuergesch lb 24.18 55,913 2,166,363 120,848 Limburgish Limburgs li 109.51 12,367 431,928 61,005 Lombard Lumbaart lmo 25.05 38,380 980,786 99,595 Lithuanian Lietuvių lt 22.5 194,352 5,517,491 460,787 Latvian Latviešu lv 78.7 91,737 3,027,281 380,121 Maithili मैथिली mai 12.19 13,280 188,860 32,516 Banyumasan Basa Banyumasan map-bms 9.72 13,338 207,708 28,826 Malagasy Malagasy mg 10.12 91,519 968,489 234,928 Meadow Mari Олык Марий (Olyk Marij) mhr 13.7 10,039 175,796 23,678 Minangkabau Bahaso Minangkabau min 1.004 222,600 1,629,215 321,719 Macedonian Македонски mk 105.18 99,450 3,818,220 449,344 Malayalam മലയാളം ml 213.52 62,741 3,051,589 390,841 Mongolian Монгол mn 60.91 18,607 571,766 69,082 Marathi मराठी mr 75.2 53,135 1,671,459 220,480 Hill Mari Кырык Мары (Kyryk Mary) mrj 1.87 10,269 94,639 16,047 Malay Bahasa Melayu ms 15.6 325,177 4,537,519 895,842 Burmese language မြန်မာဘာသာ my 6.88 43,798 453,607 96,870 Mazandarani مَزِروني mzn 7.54 12,850 147,406 28,320 Neapolitan Nnapulitano nap 16.99 14,583 652,185 26,760 Low Saxon Plattdüütsch nds 13.22 45,158 858,211 101,686 Nepali नेपाली ne 25.35 32,106 712,605 89,341 Newari नेवारी new 12.71 72,220 844,780 196,377 Dutch Nederlands nl 15.05 1,961,508 53,277,220 4,063,298 Norwegian (Nynorsk) Nynorsk nn 17.24 142,464 3,116,526 336,967 Norwegian (Bokmål) Norsk (Bokmål) no 40.27 505,784 19,228,106 1,359,161 Occitan Occitan oc 6.72 85,396 2,103,778 143,159 Oriya ଓଡ଼ିଆ or 62.07 14,758 363,234 63,291 Ossetian Иронау os 86.13 11,440 471,895 43,776 Punjabi ਪੰਜਾਬੀ pa 25.71 31,103 458,019 107,506 Polish Polski pl 29.61 1,325,426 56,023,510 2,992,123 Piedmontese Piemontèis pms 2.42 64,435 841,710 98,797 Western Panjabi شاہ مکھی پنجابی pnb 2.42 47,607 526,295 75,683 Portuguese Português pt 155.71 1,020,067 54,365,503 4,803,806 Quechua Runa Simi qu 27.4 21,053 635,441 52,827 Romanian Română ro 113.45 393,081 12,633,372 2,100,202 Russian Русский ru 132.56 1,535,980 98,448,079 5,845,002 Sanskrit संस्कृतम् sa 125.44 11,370 442,400 57,132 Sakha Саха тыла sah 49.82 11,962 345,302 41,086 Sicilian Sicilianu scn 16.45 26,064 725,015 55,248 Scots Scots sco 24.82 53,670 695,722 195,341 Sindhi سنڌي، سندھی ، सिन्ध sd 16.96 11,160 142,362 33,430 Serbo-Croatian Srpskohrvatski / Српскохрватски sh 762.83 448,632 40,864,020 4,610,829 Sinhalese සිංහල si 80.48 15,071 432,216 69,153 Simple English Simple English simple 78.28 143,760 6,455,528 496,505 Slovak Slovenčina sk 19.2 228,992 6,785,311 501,895 Slovenian Slovenščina sl 25.04 163,932 5,100,854 391,080 Albanian Shqip sq 31.45 76,021 1,948,056 218,943 Serbian Српски sr 150.44 617,169 21,714,132 3,772,227 Sundanese Basa Sunda su 4.42 40,072 555,394 69,979 Swedish Svenska sv 6.51 3,749,497 45,182,900 7,699,673 Swahili Kiswahili sw 13.16 48,861 1,055,228 104,688 Tamil தமிழ் ta 29.68 121,180 2,674,087 365,120 Telugu తెలుగు te 66.72 70,483 2,613,454 247,740 Tajik Тоҷикӣ tg 4.32 96,929 1,030,417 181,472 Thai ไทย th 259.9 130,431 8,162,225 780,766 Tagalog Tagalog tl 29.64 76,620 1,683,354 231,219 Turkish Türkçe tr 197.48 325,019 20,441,491 1,604,752 Tatar Татарча tt 22.23 83,719 2,354,312 198,262 Ukrainian Українська uk 37.22 893,470 24,621,114 2,697,763 Urdu اردو ur 99.51 144,259 3,834,418 802,685 Uzbek O‘zbek uz 46.44 130,970 2,037,251 625,568 Venetian Vèneto vec 73.65 11,404 597,694 35,131 Vietnamese Tiếng Việt vi 427.16 1,204,442 50,769,677 14,514,575 Volapük Volapük vo 14.2 122,703 3,199,673 252,620 Walloon Walon wa 22.81 14,870 344,231 38,677 Waray-Waray Winaray war 3.51 1,263,505 6,198,289 2,877,150 Wu 吴语 wuu 3.56 17,947 248,247 29,650 Mingrelian მარგალური (Margaluri) xmf 6.93 12,915 136,925 28,393 Yiddish ייִדיש yi 41.22 14,649 538,955 40,400 Yoruba Yorùbá yo 4.9 31,851 518,558 54,769 Chinese 中文 zh 184.46 1,049,697 53,351,206 5,716,387 Min Nan Bân-lâm-gú zh-min-nan 13.18 228,064 1,927,494 741,604 Cantonese 粵語 zh-yue 16.86 71,745 1,277,769 183,335 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	948	94	227	30	82	157	15	156	196	133	7	184	40	42	30	37	197	113	14	45	58	17	19	64	119	255	219	151	23	150
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)