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 972 = 21.1 × 46.06 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 1072 = 156.02 × 6.87.

The smallest depth has Chechen Wikipedia which has the depth 0.178 = 9.39 × 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 29.44 44,347 1,593,928 106,567 Alemannic Alemannisch als 22.73 22,708 764,820 50,539 Amharic አማርኛ am 39.97 13,410 349,553 43,224 Aragonese Aragonés an 78.66 31,966 1,635,069 103,188 Arabic العربية ar 181.15 515,550 25,788,337 2,803,358 Egyptian Arabic مصرى arz 310.83 16,518 805,540 136,316 Asturian Asturianu ast 4.19 48,792 1,040,119 75,752 Azerbaijani Azərbaycanca az 34.5 116,407 4,086,632 302,547 South Azerbaijani تۆرکجه azb 2 16,187 137,819 26,297 Bashkir Башҡорт ba 21.04 38,381 680,606 108,754 Bavarian Boarisch bar 62.83 22,384 634,814 88,711 Samogitian Žemaitėška bat-smg 6.01 16,062 357,156 26,861 Belarusian Беларуская be 25.6 142,505 2,682,851 431,790 Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 32.01 60,526 1,966,397 157,420 Bulgarian Български bg 24.18 229,050 8,224,421 509,313 Bengali বাংলা bn 453.17 49,518 2,683,581 508,283 Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.51 25,070 806,166 57,548 Breton Brezhoneg br 14.24 61,823 1,822,639 122,252 Bosnian Bosanski bs 121.71 73,988 3,034,648 351,973 Buginese Basa Ugi bug 0.99 14,120 198,581 18,389 Catalan Català ca 31.19 539,136 18,693,406 1,347,643 Chechen Нохчийн ce 0.18 160,974 1,719,085 183,112 Cebuano Sinugboanong Binisaya ceb 1.18 4,138,149 13,610,030 7,473,051 Sorani کوردی ckb 112.77 18,833 544,481 107,837 Czech Čeština cs 40.71 377,855 14,856,957 1,004,828 Chuvash Чăваш cv 4.03 39,119 614,497 64,582 Welsh Cymraeg cy 42.98 91,055 5,986,115 200,234 Danish Dansk da 67.36 225,098 8,984,853 763,724 German Deutsch de 98 2,050,236 169,103,462 5,813,411 Greek Ελληνικά el 70.48 129,591 6,460,750 400,458 English English en 971.76 5,378,512 883,594,518 41,881,118 Esperanto Esperanto eo 16.83 238,378 6,215,774 521,636 Spanish Español es 193.05 1,327,933 97,902,633 5,830,677 Estonian Eesti et 28.36 156,106 4,743,467 396,444 Basque Euskara eu 18.45 279,322 5,954,921 686,747 Persian فارسی fa 218.29 527,723 24,233,409 3,484,108 Finnish Suomi fi 44.92 412,034 17,235,030 1,114,126 Faroese Føroyskt fo 36.28 12,511 342,929 37,396 French Français fr 215.29 1,859,713 138,669,619 8,690,929 West Frisian Frysk fy 23.3 37,473 865,379 98,503 Irish Gaeilge ga 5.09 39,553 847,299 64,108 Scottish Gaelic Gàidhlig gd 21.17 14,385 542,964 29,922 Galician Galego gl 26.03 138,239 4,385,106 332,406 Gujarati ગુજરાતી gu 17.03 27,067 486,742 69,176 Hebrew עברית he 260.89 204,304 21,426,588 868,783 Hindi हिन्दी hi 111.58 118,318 3,551,125 655,154 Croatian Hrvatski hr 30.39 172,986 5,040,367 461,583 Upper Sorbian Hornjoserbsce hsb 30.74 11,173 356,731 28,762 Haitian Krèyol ayisyen ht 0.53 51,203 697,689 62,289 Hungarian Magyar hu 57.88 407,807 19,272,842 1,173,332 Armenian Հայերեն hy 35.67 218,292 5,093,516 702,480 Interlingua Interlingua ia 5.75 20,016 575,443 31,196 Indonesian Bahasa Indonesia id 124.41 396,653 13,802,722 2,137,854 Ido Ido io 5.71 26,985 909,891 40,608 Ilokano Ilokano ilo 74.42 10,645 313,502 45,711 Icelandic Íslenska is 40.97 42,146 1,612,391 113,817 Italian Italiano it 123.71 1,347,352 92,292,665 4,745,549 Japanese 日本語 ja 77.18 1,056,124 64,653,769 3,081,724 Javanese Basa Jawa jv 22.93 49,776 1,141,538 130,300 Georgian ქართული ka 33.02 114,506 3,353,651 316,713 Kazakh Қазақша kk 8.93 218,400 2,645,538 502,909 Kannada ಕನ್ನಡ kn 57.32 21,752 687,958 76,764 Korean 한국어 ko 114.38 377,522 20,409,574 1,455,854 Kurdish Kurdî ku 29.72 22,746 715,627 58,065 Kirghiz Кыргызча ky 0.25 65,475 268,229 83,633 Latin Latina la 11.82 126,451 3,347,772 243,778 Luxembourgish Lëtzebuergesch lb 28.4 48,437 2,067,299 107,217 Limburgish Limburgs li 106.07 11,680 429,119 54,582 Lombard Lumbaart lmo 32.36 34,917 1,097,783 92,604 Lithuanian Lietuvių lt 22.13 181,528 5,343,121 421,318 Latvian Latviešu lv 82.14 76,615 2,756,220 309,173 Maithili मैथिली mai 7.37 10,699 116,372 23,846 Banyumasan Basa Banyumasan map-bms 8.58 13,284 210,288 27,308 Malagasy Malagasy mg 9.99 83,441 836,528 218,117 Minangkabau Bahaso Minangkabau min 0.884 221,976 1,539,509 316,624 Macedonian Македонски mk 137.66 89,128 4,370,065 409,068 Malayalam മലയാളം ml 245.09 49,175 2,546,279 323,642 Mongolian Монгол mn 45.29 17,003 523,659 53,615 Marathi मराठी mr 76.95 46,836 1,510,780 194,099 Hill Mari Кырык Мары (Kyryk Mary) mrj 1.13 10,165 91,852 14,449 Malay Bahasa Melayu ms 16.31 287,986 4,312,823 783,813 Burmese language မ္ရန္‌မာစာ my 4.6 35,260 362,395 68,022 Mazandarani مَزِروني mzn 6.6 12,380 138,566 26,212 Neapolitan Nnapulitano nap 17.73 14,446 699,940 26,218 Low Saxon Plattdüütsch nds 32.93 25,986 815,259 69,540 Nepali नेपाली ne 21.9 30,249 606,316 82,452 Newari नेवारी new 12.69 72,128 842,656 196,050 Dutch Nederlands nl 13.16 1,898,272 50,011,482 3,794,988 Norwegian (Nynorsk) Nynorsk nn 17.49 132,942 2,950,025 314,478 Norwegian (Bokmål) Norsk (Bokmål) no 36.24 465,030 17,220,610 1,205,866 Occitan Occitan oc 7.02 83,188 2,206,223 138,397 Oriya ଓଡ଼ିଆ or 55.78 12,583 269,918 55,006 Ossetian Иронау os 96.83 10,438 487,050 39,800 Punjabi ਪੰਜਾਬੀ pa 24.86 25,312 376,988 85,370 Polish Polski pl 24.71 1,216,377 48,908,010 2,614,505 Piedmontese Piemontèis pms 2.41 64,096 864,701 97,543 Western Panjabi شاہ مکھی پنجابی pnb 1.05 44,097 509,795 59,532 Portuguese Português pt 139.58 964,736 49,489,692 4,339,923 Quechua Runa Simi qu 32.2 20,105 663,427 52,066 Romanian Română ro 85.42 375,596 11,418,532 1,724,761 Russian Русский ru 141.22 1,386,005 97,067,262 5,197,237 Sanskrit संस्कृतम् sa 95.58 11,133 421,145 47,804 Sakha Саха тыла sah 51.09 11,222 353,162 37,285 Sicilian Sicilianu scn 20.21 25,380 755,028 56,632 Scots Scots sco 26.62 43,773 604,690 159,900 Serbo-Croatian Srpskohrvatski / Српскохрватски sh 790.9 438,163 40,752,988 4,560,153 Sinhalese සිංහල si 88.43 13,191 404,217 61,625 Simple English Simple English simple 76.38 124,037 5,639,852 419,794 Slovak Slovenčina sk 19.03 217,323 6,502,715 473,009 Slovenian Slovenščina sl 24.93 155,669 4,990,099 366,226 Albanian Shqip sq 31.95 64,850 1,874,357 177,719 Serbian Српски sr 71.54 347,093 12,832,695 1,271,058 Sundanese Basa Sunda su 20.68 19,487 511,129 46,103 Swedish Svenska sv 5.2 3,785,252 39,384,095 7,569,771 Swahili Kiswahili sw 23.12 35,793 1,037,275 85,087 Tamil தமிழ் ta 32.75 93,221 2,323,934 277,604 Telugu తెలుగు te 47.24 66,775 2,074,732 214,268 Tajik Тоҷикӣ tg 6.65 67,820 864,621 137,584 Thai ไทย th 235.05 115,585 7,279,708 641,713 Tagalog Tagalog tl 35.45 67,687 1,630,645 213,534 Turkish Türkçe tr 220.54 289,775 19,383,935 1,478,115 Tatar Татарча tt 25.62 70,903 2,195,309 171,093 Ukrainian Українська uk 39.63 689,606 20,260,980 2,080,907 Urdu اردو ur 157.49 121,853 5,476,667 647,769 Uzbek O‘zbek uz 61.61 128,867 2,656,512 615,928 Venetian Vèneto vec 76.91 10,884 600,562 33,391 Vietnamese Tiếng Việt vi 30.62 1,155,283 26,567,665 3,463,565 Volapük Volapük vo 15.15 120,487 3,311,868 249,079 Walloon Walon wa 22.17 14,450 332,200 37,224 Waray-Waray Winaray war 3.57 1,262,386 6,294,979 2,873,452 Yiddish ייִדיש yi 43.82 13,828 535,785 38,303 Yoruba Yorùbá yo 5.35 31,552 562,266 54,211 Chinese 中文 zh 167.22 935,215 45,139,811 4,933,179 Min Nan Bân-lâm-gú zh-min-nan 11.11 204,866 1,667,429 622,024 Cantonese 粵語 zh-yue 23.76 52,500 1,117,709 144,510 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	972	98	215	25	77	124	13	140	193	141	5	167	36	45	31	40	221	85	15	41	58	17	19	67	124	261	181	114	22	72
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)