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 944 = 18.65 × 50.61 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 1070 = 155.25 × 6.89.

The Chechen Wikipedia has the smallest depth, at 0.199 = 12.14 × 0.016.

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 38.59 71,248 1,925,014 221,322 Alemannic Alemannisch als 26.16 25,454 881,321 59,197 Amharic አማርኛ am 34.4 14,512 352,068 44,915 Aragonese Aragonés an 69.16 34,363 1,623,517 108,105 Arabic العربية ar 239.01 668,153 33,079,611 4,461,883 Egyptian Arabic مصرى arz 272.95 20,272 848,083 170,396 Asturian Asturianu ast 4.04 99,599 2,204,461 152,228 Azerbaijani Azərbaycanca az 31.4 143,514 4,598,468 372,265 South Azerbaijani تۆرکجه azb 5.2 134,588 828,373 327,396 Bashkir Башҡорт ba 22.55 46,634 865,590 133,661 Bavarian Boarisch bar 50.62 27,683 707,394 102,749 Samogitian Žemaitėška bat-smg 5.77 16,652 346,202 28,040 Belarusian Беларуская be 31.03 163,998 3,316,858 528,750 Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 33.05 66,008 2,033,418 178,406 Bulgarian Български bg 24.59 249,586 9,124,971 554,711 Bengali বাংলা bn 415.59 64,616 3,339,748 642,290 Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.51 25,076 781,095 58,288 Breton Brezhoneg br 12.91 66,247 1,823,819 129,735 Bosnian Bosanski bs 106.72 79,426 2,969,402 368,464 Buginese Basa Ugi bug 1.06 14,121 191,969 18,664 Catalan Català ca 29.86 604,844 20,729,107 1,491,399 Chechen Нохчийн ce 0.2 208,208 2,850,247 234,850 Min Dong Mìng-dĕ̤ng-ngṳ̄ cdo 2.48 14,234 75,771 27,822 Cebuano Sinugboanong Binisaya ceb 1.32 5,378,193 25,466,330 9,066,500 Sorani کوردی ckb 93.04 23,032 603,088 123,613 Czech Čeština cs 45.11 422,544 16,918,426 1,168,369 Chuvash Чăваш cv 5.17 41,791 651,163 73,793 Welsh Cymraeg cy 45.94 102,726 7,488,934 222,824 Danish Dansk da 66.71 243,176 9,803,578 816,283 German Deutsch de 94.29 2,273,050 184,528,751 6,375,891 Greek Ελληνικά el 62.97 158,808 7,401,964 479,592 Emilian-Romagnol Emiliàn e rumagnòl eml 11.29 11,897 128,610 31,762 English English en 943.79 5,808,428 878,886,692 47,130,448 Esperanto Esperanto eo 17.26 254,786 6,511,707 567,142 Spanish Español es 196.16 1,505,637 113,533,869 6,583,653 Estonian Eesti et 24.32 186,831 5,209,348 460,873 Basque Euskara eu 10.4 325,887 6,616,171 657,089 Persian فارسی fa 174.87 666,365 25,461,361 4,278,710 Finnish Suomi fi 42.38 452,027 17,875,420 1,221,199 Faroese Føroyskt fo 35.84 12,909 350,588 38,529 French Français fr 226.54 2,082,515 156,318,744 10,017,042 West Frisian Frysk fy 30.04 41,495 945,171 123,800 Irish Gaeilge ga 4.42 50,423 919,124 82,108 Scottish Gaelic Gàidhlig gd 20.49 14,786 544,443 30,672 Galician Galego gl 32.85 154,558 5,055,525 405,440 Gujarati ગુજરાતી gu 33.44 28,337 651,650 88,837 Hebrew עברית he 254.96 238,455 24,855,234 1,003,507 Hindi हिन्दी hi 148.66 129,564 4,105,633 847,156 Croatian Hrvatski hr 23.23 202,975 5,198,071 509,182 Upper Sorbian Hornjoserbsce hsb 25.59 13,385 364,301 34,102 Haitian Krèyol ayisyen ht 0.55 54,678 722,299 67,084 Hungarian Magyar hu 58.49 444,689 20,929,806 1,288,582 Armenian Հայերեն hy 39.76 252,017 6,162,616 838,048 Interlingua Interlingua ia 6.26 21,289 604,483 33,898 Indonesian Bahasa Indonesia id 118.52 453,958 14,783,214 2,476,916 Ido Ido io 5.61 28,225 942,830 42,407 Ilokano Ilokano ilo 67.25 11,707 332,508 48,295 Icelandic Íslenska is 36.37 46,383 1,619,954 123,677 Italian Italiano it 156.35 1,505,616 102,489,611 6,097,679 Japanese 日本語 ja 81.52 1,139,575 71,476,074 3,375,628 Javanese Basa Jawa jv 28.13 55,190 1,469,633 148,109 Georgian ქართული ka 35.55 127,052 3,619,764 368,853 Kazakh Қазақша kk 9.51 223,789 2,669,942 531,680 Kannada ಕನ್ನಡ kn 89.7 24,280 899,820 101,517 Korean 한국어 ko 150.92 445,432 23,641,084 2,061,227 Kurdish Kurdî ku 26.06 24,442 713,396 60,899 Kirghiz Кыргызча ky 0.34 79,405 348,028 104,801 Latin Latina la 12.14 130,053 3,388,030 254,143 Luxembourgish Lëtzebuergesch lb 23.93 55,795 2,158,872 120,200 Limburgish Limburgs li 109.5 12,361 431,599 60,983 Lombard Lumbaart lmo 25.22 38,178 977,221 99,289 Lithuanian Lietuvių lt 22.49 193,923 5,505,530 459,647 Latvian Latviešu lv 78.76 91,033 3,007,737 377,094 Maithili मैथिली mai 12.06 13,211 187,608 32,228 Banyumasan Basa Banyumasan map-bms 9.67 13,338 207,108 28,808 Malagasy Malagasy mg 10.23 90,799 965,060 233,750 Meadow Mari Олык Марий (Olyk Marij) mhr 13.56 10,036 175,505 23,580 Minangkabau Bahaso Minangkabau min 0.998 222,573 1,624,323 321,495 Macedonian Македонски mk 105.34 99,061 3,808,586 447,614 Malayalam മലയാളം ml 214.9 62,002 3,025,170 387,163 Mongolian Монгол mn 61.36 18,450 569,411 68,622 Marathi मराठी mr 75.01 52,863 1,661,514 219,126 Hill Mari Кырык Мары (Kyryk Mary) mrj 1.8 10,269 94,501 15,923 Malay Bahasa Melayu ms 15.53 324,466 4,521,343 892,509 Burmese language မြန်မာဘာသာ my 6.9 43,165 449,819 95,350 Mazandarani مَزِروني mzn 7.54 12,823 147,110 28,257 Neapolitan Nnapulitano nap 16.92 14,581 652,015 26,723 Low Saxon Plattdüütsch nds 14.65 43,000 854,155 99,053 Nepali नेपाली ne 25.04 32,059 706,956 88,965 Newari नेवारी new 12.71 72,215 844,633 196,352 Dutch Nederlands nl 14.99 1,958,125 53,058,214 4,053,388 Norwegian (Nynorsk) Nynorsk nn 17.24 142,186 3,108,633 336,431 Norwegian (Bokmål) Norsk (Bokmål) no 40.24 502,663 19,132,197 1,349,558 Occitan Occitan oc 6.67 85,387 2,098,940 142,933 Oriya ଓଡ଼ିଆ or 62.29 14,643 360,719 62,905 Ossetian Иронау os 87 11,339 471,117 43,463 Punjabi ਪੰਜਾਬੀ pa 25.4 30,978 455,356 106,482 Polish Polski pl 29.41 1,320,469 55,719,861 2,975,245 Piedmontese Piemontèis pms 2.42 64,426 841,579 98,773 Western Panjabi شاہ مکھی پنجابی pnb 1.43 47,408 513,313 68,059 Portuguese Português pt 155.22 1,016,978 54,120,180 4,784,105 Quechua Runa Simi qu 27.46 21,025 634,963 52,790 Romanian Română ro 113.14 392,027 12,589,560 2,091,770 Russian Русский ru 132.25 1,529,570 97,841,681 5,819,529 Sanskrit संस्कृतम् sa 123.91 11,361 441,294 56,687 Sakha Саха тыла sah 49.66 11,954 344,941 40,996 Sicilian Sicilianu scn 16.44 26,064 724,853 55,237 Scots Scots sco 24.76 53,510 692,642 194,677 Sindhi سنڌي، سندھی ، सिन्ध sd 16.72 11,147 141,341 33,252 Serbo-Croatian Srpskohrvatski / Српскохрватски sh 764.13 448,181 40,858,530 4,609,355 Sinhalese සිංහල si 80.48 15,014 431,006 68,846 Simple English Simple English simple 78.21 142,927 6,423,596 493,160 Slovak Slovenčina sk 19.12 228,661 6,768,921 500,514 Slovenian Slovenščina sl 25.01 163,676 5,089,929 390,362 Albanian Shqip sq 31.33 75,754 1,935,100 218,112 Serbian Српски sr 148.15 615,623 21,303,676 3,766,175 Sundanese Basa Sunda su 4.41 39,996 553,828 69,798 Swedish Svenska sv 6.45 3,754,775 44,935,198 7,701,935 Swahili Kiswahili sw 13.41 48,321 1,052,595 103,917 Tamil தமிழ் ta 29.52 120,304 2,652,456 361,657 Telugu తెలుగు te 65.37 70,399 2,584,415 246,015 Tajik Тоҷикӣ tg 4.3 96,627 1,026,455 180,738 Thai ไทย th 258.53 129,720 8,102,301 774,640 Tagalog Tagalog tl 29.24 76,868 1,678,552 231,101 Turkish Türkçe tr 197.88 323,433 20,343,816 1,598,976 Tatar Татарча tt 22.39 83,168 2,347,428 197,258 Ukrainian Українська uk 36.99 887,920 24,402,498 2,676,256 Urdu اردو ur 98.27 143,527 3,794,996 794,542 Uzbek O‘zbek uz 46.65 130,529 2,033,354 624,667 Venetian Vèneto vec 73.97 11,346 596,245 34,982 Vietnamese Tiếng Việt vi 413.51 1,202,765 49,281,835 14,443,866 Volapük Volapük vo 14.23 122,541 3,199,083 252,408 Walloon Walon wa 22.83 14,845 343,942 38,609 Waray-Waray Winaray war 3.51 1,263,517 6,197,413 2,877,073 Wu 吴语 wuu 3.85 17,347 247,076 29,016 Mingrelian მარგალური (Margaluri) xmf 7.05 12,733 135,758 28,116 Yiddish ייִדיש yi 41.2 14,626 538,308 40,320 Yoruba Yorùbá yo 4.9 31,805 517,488 54,703 Chinese 中文 zh 182.96 1,045,624 52,914,775 5,679,152 Min Nan Bân-lâm-gú zh-min-nan 13.2 227,790 1,926,052 741,189 Cantonese 粵語 zh-yue 16.8 71,133 1,267,177 181,464 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	944	94	227	29	82	156	15	155	196	132	6	183	40	42	30	37	198	113	14	45	58	17	19	67	119	255	239	151	22	148
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)