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 970 = 18.77 × 51.69 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 = 154.78 × 6.87.

The Chechen Wikipedia has the smallest depth, at 0.148 = 11.9 × 0.012.

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 32.66 84,806 2,038,210 256,840 Alemannic Alemannisch als 26.71 26,409 919,991 61,780 Amharic አማርኛ am 33.26 14,839 356,888 45,345 Aragonese Aragonés an 64.65 35,922 1,637,960 111,164 Arabic العربية ar 167.02 953,277 38,557,375 5,683,138 Egyptian Arabic مصرى arz 278.89 21,330 891,253 182,537 Asturian Asturianu ast 4.9 99,713 2,498,332 154,628 Azerbaijani Azərbaycanca az 32 149,891 4,864,692 390,170 South Azerbaijani تۆرکجه azb 9 152,085 1,126,016 435,225 Bashkir Башҡорт ba 21.61 49,810 908,603 141,048 Bavarian Boarisch bar 45.55 29,621 721,809 106,368 Samogitian Žemaitėška bat-smg 5.79 16,786 348,348 28,293 Belarusian Беларуская be 27.92 177,456 3,443,991 553,333 Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 34.97 68,033 2,083,557 189,302 Bulgarian Български bg 25.12 255,923 9,594,335 568,023 Bengali বাংলা bn 375.48 73,948 3,677,552 698,379 Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.63 25,085 781,886 58,419 Breton Brezhoneg br 12.76 67,160 1,840,615 131,222 Bosnian Bosanski bs 105.16 80,672 3,003,226 371,716 Buginese Basa Ugi bug 1.08 14,125 192,324 18,694 Catalan Català ca 30.53 623,501 21,946,447 1,534,556 Chechen Нохчийн ce 0.15 244,542 3,235,944 271,841 Min Dong Mìng-dĕ̤ng-ngṳ̄ cdo 2.76 14,921 82,825 29,776 Cebuano Sinugboanong Binisaya ceb 1.92 5,378,906 29,222,369 9,669,744 Sorani کوردی ckb 90.18 24,633 640,628 130,018 Czech Čeština cs 46.13 435,446 17,623,509 1,210,574 Chuvash Чăваш cv 5.39 42,109 658,761 75,136 Welsh Cymraeg cy 54.78 106,076 8,971,840 232,453 Danish Dansk da 64.02 252,793 10,036,540 836,815 German Deutsch de 94.05 2,345,149 191,106,771 6,558,430 Greek Ελληνικά el 60.4 168,361 7,720,782 502,019 Emilian-Romagnol Emiliàn e rumagnòl eml 11.03 12,125 132,110 31,922 English English en 970.33 5,933,886 912,216,705 48,597,385 Esperanto Esperanto eo 16.55 268,837 6,709,961 594,335 Spanish Español es 202.04 1,545,983 119,120,090 6,793,923 Estonian Eesti et 22.4 201,367 5,444,774 486,118 Basque Euskara eu 10.7 338,162 7,040,727 682,494 Persian فارسی fa 178.01 691,362 27,000,835 4,426,017 Finnish Suomi fi 41.27 468,765 18,369,236 1,256,314 Faroese Føroyskt fo 34.8 13,210 355,979 39,008 French Français fr 230.26 2,140,655 162,380,615 10,335,860 West Frisian Frysk fy 31.03 42,756 972,893 129,722 Irish Gaeilge ga 4.4 51,543 936,840 83,892 Scottish Gaelic Gàidhlig gd 20.67 14,834 549,775 30,794 Galician Galego gl 34.63 158,868 5,249,624 424,794 Gujarati ગુજરાતી gu 37.43 28,610 672,586 94,074 Hebrew עברית he 259.32 250,472 26,287,326 1,060,678 Hindi हिन्दी hi 162.29 133,199 4,311,557 914,805 Croatian Hrvatski hr 22.67 209,655 5,313,853 522,702 Upper Sorbian Hornjoserbsce hsb 25.66 13,433 365,645 34,261 Haitian Krèyol ayisyen ht 0.53 56,535 731,231 69,225 Hungarian Magyar hu 58.49 457,222 21,661,379 1,320,585 Armenian Հայերեն hy 41.05 258,365 6,548,853 857,336 Interlingua Interlingua ia 6.19 21,877 614,155 34,843 Indonesian Bahasa Indonesia id 104.59 503,206 15,569,616 2,610,420 Ido Ido io 5.55 28,720 949,957 43,141 Ilokano Ilokano ilo 53.51 13,460 342,384 51,731 Icelandic Íslenska is 35.18 48,320 1,645,184 128,382 Italian Italiano it 162.32 1,553,737 107,526,696 6,372,830 Japanese 日本語 ja 82.51 1,169,241 74,122,426 3,465,761 Javanese Basa Jawa jv 28.06 56,507 1,490,301 152,148 Georgian ქართული ka 35.26 131,770 3,721,221 382,676 Kazakh Қазақша kk 9.79 225,071 2,708,558 539,342 Kannada ಕನ್ನಡ kn 95.58 25,021 936,142 108,177 Korean 한국어 ko 148.53 469,708 24,848,954 2,155,786 Kurdish Kurdî ku 24.3 26,283 737,013 64,660 Kirghiz Кыргызча ky 0.35 79,574 350,972 105,222 Latin Latina la 12.56 131,214 3,467,492 258,048 Luxembourgish Lëtzebuergesch lb 23.69 57,213 2,197,439 123,134 Limburgish Limburgs li 108.58 12,584 436,634 61,993 Lombard Lumbaart lmo 24.66 38,983 989,692 100,753 Lithuanian Lietuvių lt 22.68 196,616 5,614,829 466,487 Latvian Latviešu lv 72.69 98,178 3,105,586 397,745 Maithili मैथिली mai 13.22 13,448 195,716 33,753 Banyumasan Basa Banyumasan map-bms 9.86 13,329 208,274 28,923 Malagasy Malagasy mg 10.08 92,021 973,840 235,793 Meadow Mari Олык Марий (Olyk Marij) mhr 14.5 10,048 176,895 24,203 Minangkabau Bahaso Minangkabau min 1.04 223,093 1,656,604 323,649 Macedonian Македонски mk 102.78 102,210 3,867,585 459,286 Malayalam മലയാളം ml 211.05 65,459 3,161,106 406,450 Mongolian Монгол mn 68.07 18,884 589,965 74,103 Marathi मराठी mr 72.9 54,976 1,701,745 226,050 Hill Mari Кырык Мары (Kyryk Mary) mrj 2.12 10,268 95,170 16,490 Malay Bahasa Melayu ms 15.8 329,557 4,627,541 910,762 Burmese language မြန်မာဘာသာ my 8.33 44,946 478,454 106,009 Mazandarani مَزِروني mzn 7.33 13,125 149,042 28,731 Neapolitan Nnapulitano nap 10.24 14,550 658,517 23,311 Low Saxon Plattdüütsch nds 8.77 55,851 884,641 115,669 Nepali नेपाली ne 27.44 32,342 744,072 91,879 Newari नेवारी new 12.72 72,231 845,127 196,442 Dutch Nederlands nl 15.46 1,979,077 54,463,793 4,119,209 Norwegian (Nynorsk) Nynorsk nn 15.63 150,126 3,158,813 346,810 Norwegian (Bokmål) Norsk (Bokmål) no 41.58 519,360 19,753,292 1,416,015 Occitan Occitan oc 6.78 86,215 2,126,477 144,789 Oriya ଓଡ଼ିଆ or 62.21 15,081 373,665 64,503 Ossetian Иронау os 85.03 11,696 474,775 44,842 Punjabi ਪੰਜਾਬੀ pa 27.54 31,785 487,822 111,556 Polish Polski pl 30.08 1,360,447 57,302,045 3,094,306 Piedmontese Piemontèis pms 2.44 64,516 844,258 99,032 Western Panjabi شاہ مکھی پنجابی pnb 2.43 48,062 530,657 76,517 Portuguese Português pt 167.98 1,014,080 56,115,233 4,896,604 Quechua Runa Simi qu 26.42 21,452 637,464 53,351 Romanian Română ro 115.41 400,787 13,028,192 2,149,854 Russian Русский ru 135.33 1,569,506 101,975,031 5,997,273 Sanskrit संस्कृतम् sa 131.5 11,416 446,347 59,018 Sakha Саха тыла sah 50.54 12,047 347,416 41,729 Sicilian Sicilianu scn 16.47 26,061 725,887 55,238 Scots Scots sco 24.9 54,786 714,280 199,154 Sindhi سنڌي، سندھی ، सिन्ध sd 16.19 12,140 153,376 35,711 Serbo-Croatian Srpskohrvatski / Српскохрватски sh 759.84 450,051 40,899,172 4,619,235 Sinhalese සිංහල si 81.55 15,326 440,495 70,820 Simple English Simple English simple 77.87 149,496 6,647,459 517,614 Slovak Slovenčina sk 19.54 231,134 6,873,541 509,206 Slovenian Slovenščina sl 25.48 165,450 5,178,222 396,551 Albanian Shqip sq 33.1 77,698 2,024,516 227,557 Serbian Српски sr 151.14 624,519 22,115,005 3,812,239 Sundanese Basa Sunda su 1.94 59,543 591,545 92,330 Swedish Svenska sv 6.79 3,749,446 46,248,342 7,749,552 Swahili Kiswahili sw 11.15 53,896 1,082,781 111,700 Tamil தமிழ் ta 31.37 123,466 2,800,195 377,324 Telugu తెలుగు te 73.29 71,243 2,728,928 259,211 Tajik Тоҷикӣ tg 4.31 98,439 1,042,126 184,373 Thai ไทย th 270.57 133,221 8,489,354 810,196 Tagalog Tagalog tl 31.71 75,817 1,713,591 233,392 Turkish Türkçe tr 200.56 333,687 20,917,589 1,668,257 Tatar Татарча tt 22.11 87,124 2,391,454 207,906 Ukrainian Українська uk 38.15 934,217 26,058,732 2,838,725 Urdu اردو ur 100.86 148,602 3,966,752 832,161 Uzbek O‘zbek uz 46.55 131,521 2,055,324 627,250 Venetian Vèneto vec 62.83 12,433 603,936 36,741 Vietnamese Tiếng Việt vi 464.93 1,236,334 55,388,046 15,202,491 Volapük Volapük vo 14.07 123,269 3,202,356 253,324 Walloon Walon wa 21.92 15,356 349,760 39,521 Waray-Waray Winaray war 3.52 1,263,728 6,203,374 2,877,599 Wu 吴语 wuu 2.35 21,606 254,738 33,629 Mingrelian მარგალური (Margaluri) xmf 6.84 13,154 138,899 28,828 Yiddish ייִדיש yi 41.91 14,858 544,892 41,360 Yoruba Yorùbá yo 4.91 31,952 519,865 54,970 Chinese 中文 zh 191.91 1,074,308 55,879,404 5,917,251 Min Nan Bân-lâm-gú zh-min-nan 13.19 228,376 1,932,603 742,322 Cantonese 粵語 zh-yue 16.93 74,152 1,327,628 189,397 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	970	94	230	30	83	162	15	168	202	135	7	192	42	41	31	38	201	115	14	46	58	17	20	64	105	259	167	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)