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 987 = 21.16 × 46.63 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 1066 = 155.83 × 6.84.

The Chechen Wikipedia has the smallest depth, at 0.177 = 9.26 × 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 28.43 46,354 1,636,091 110,624 Alemannic Alemannisch als 22.53 23,149 780,005 51,341 Amharic አማርኛ am 38.8 13,758 353,680 43,975 Aragonese Aragonés an 77.71 32,267 1,639,260 103,867 Arabic العربية ar 188.79 535,540 26,880,580 2,989,393 Egyptian Arabic مصرى arz 309.19 17,006 818,232 141,248 Asturian Asturianu ast 4.66 50,070 1,078,924 79,387 Azerbaijani Azərbaycanca az 33.8 123,201 4,240,148 320,102 South Azerbaijani تۆرکجه azb 0.5 33,622 198,624 45,080 Bashkir Башҡорт ba 23.44 39,503 748,532 114,219 Bavarian Boarisch bar 62.24 22,828 645,070 90,155 Samogitian Žemaitėška bat-smg 6.09 16,122 357,836 27,067 Belarusian Беларуская be 25.9 145,058 2,756,229 440,054 Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 32.33 61,178 1,991,159 159,688 Bulgarian Български bg 24.22 232,736 8,371,688 517,552 Bengali বাংলা bn 442.88 51,847 2,785,842 525,928 Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.81 25,071 811,129 57,700 Breton Brezhoneg br 14.07 62,722 1,838,662 123,760 Bosnian Bosanski bs 119.82 74,892 3,053,397 354,036 Buginese Basa Ugi bug 1.04 14,132 199,057 18,520 Catalan Català ca 30.94 550,379 19,078,930 1,371,101 Chechen Нохчийн ce 0.18 164,267 1,732,320 186,991 Cebuano Sinugboanong Binisaya ceb 0.92 4,990,760 15,390,575 8,559,219 Sorani کوردی ckb 112.71 19,420 567,783 110,285 Czech Čeština cs 41.1 387,023 15,197,273 1,034,311 Chuvash Чăваш cv 4.41 40,528 629,962 68,609 Welsh Cymraeg cy 47.51 91,742 6,577,638 202,765 Danish Dansk da 66.49 230,356 9,170,480 777,153 German Deutsch de 97.73 2,088,596 172,585,092 5,909,165 Greek Ελληνικά el 70.08 134,059 6,709,607 412,224 English English en 986.66 5,455,821 903,713,959 42,712,638 Esperanto Esperanto eo 16.78 241,004 6,258,956 527,600 Spanish Español es 197.42 1,348,033 100,716,853 5,952,787 Estonian Eesti et 28.16 159,829 4,836,541 405,379 Basque Euskara eu 18.6 282,404 6,072,143 694,290 Persian فارسی fa 196.53 571,361 25,101,567 3,608,237 Finnish Suomi fi 44.81 419,161 17,505,883 1,132,951 Faroese Føroyskt fo 36.27 12,574 344,444 37,588 French Français fr 217.73 1,895,983 142,044,076 8,898,058 West Frisian Frysk fy 28.93 38,915 916,421 112,125 Irish Gaeilge ga 5.05 42,741 870,254 69,971 Scottish Gaelic Gàidhlig gd 21.64 14,576 549,201 30,577 Galician Galego gl 27.27 140,355 4,533,538 341,534 Gujarati ગુજરાતી gu 18.38 27,280 498,082 71,637 Hebrew עברית he 261.68 210,788 22,247,232 894,535 Hindi हिन्दी hi 116.41 120,566 3,648,495 683,650 Croatian Hrvatski hr 29.6 176,906 5,098,540 468,719 Upper Sorbian Hornjoserbsce hsb 28.22 12,007 364,167 30,452 Haitian Krèyol ayisyen ht 0.54 51,474 700,893 62,818 Hungarian Magyar hu 58.04 414,985 19,637,913 1,194,777 Armenian Հայերեն hy 39.11 226,833 5,369,193 760,792 Interlingua Interlingua ia 6.31 20,522 587,269 32,686 Indonesian Bahasa Indonesia id 124.09 407,473 14,101,914 2,200,564 Ido Ido io 5.76 27,173 914,830 40,974 Ilokano Ilokano ilo 76.21 10,830 326,911 46,479 Icelandic Íslenska is 38.67 43,473 1,620,467 115,716 Italian Italiano it 126.01 1,375,088 95,199,977 4,864,343 Japanese 日本語 ja 77.83 1,071,350 66,040,544 3,128,461 Javanese Basa Jawa jv 24.93 50,318 1,226,523 133,076 Georgian ქართული ka 33.86 117,073 3,453,009 326,589 Kazakh Қазақша kk 9.03 219,346 2,662,833 507,021 Kannada ಕನ್ನಡ kn 59.7 22,085 709,063 79,071 Korean 한국어 ko 112.43 394,099 21,074,417 1,514,189 Kurdish Kurdî ku 30.12 22,906 720,945 58,808 Kirghiz Кыргызча ky 0.18 78,387 297,043 97,618 Latin Latina la 11.99 127,085 3,380,587 245,713 Luxembourgish Lëtzebuergesch lb 27.37 49,879 2,087,283 109,709 Limburgish Limburgs li 113.82 11,989 435,636 59,099 Lombard Lumbaart lmo 31.42 35,863 1,106,787 94,645 Lithuanian Lietuvių lt 22.66 182,510 5,397,432 426,826 Latvian Latviešu lv 81.72 78,316 2,795,421 316,558 Maithili मैथिली mai 7.3 11,634 128,154 25,715 Banyumasan Basa Banyumasan map-bms 8.66 13,285 210,525 27,383 Malagasy Malagasy mg 10 83,455 836,957 218,220 Minangkabau Bahaso Minangkabau min 0.885 221,992 1,540,357 316,703 Macedonian Македонски mk 136.02 90,300 4,397,139 413,103 Malayalam മലയാളം ml 233 51,974 2,613,049 336,798 Mongolian Монгол mn 45.68 17,416 532,182 55,389 Marathi मराठी mr 75.88 48,180 1,542,764 198,855 Hill Mari Кырык Мары (Kyryk Mary) mrj 1.15 10,169 91,983 14,501 Malay Bahasa Melayu ms 15.52 301,780 4,440,156 809,340 Burmese language မ္ရန္‌မာစာ my 5.16 36,761 380,129 73,460 Mazandarani مَزِروني mzn 6.77 12,516 140,212 26,736 Neapolitan Nnapulitano nap 17.76 14,460 700,431 26,261 Low Saxon Plattdüütsch nds 33.38 26,518 821,998 71,793 Nepali नेपाली ne 21.97 30,668 615,130 83,693 Newari नेवारी new 12.7 72,132 842,888 196,124 Dutch Nederlands nl 13.33 1,908,229 50,753,423 3,819,776 Norwegian (Nynorsk) Nynorsk nn 17.51 134,328 2,972,786 318,221 Norwegian (Bokmål) Norsk (Bokmål) no 36.54 473,012 17,641,284 1,227,102 Occitan Occitan oc 7.02 83,502 2,212,973 138,914 Oriya ଓଡ଼ିଆ or 55.95 12,856 276,386 56,228 Ossetian Иронау os 97.17 10,516 488,374 40,289 Punjabi ਪੰਜਾਬੀ pa 24.39 26,506 391,859 88,827 Polish Polski pl 25.4 1,234,989 50,002,380 2,674,555 Piedmontese Piemontèis pms 2.46 64,167 866,983 97,996 Western Panjabi شاہ مکھی پنجابی pnb 1.19 44,922 517,128 61,892 Portuguese Português pt 142.89 975,341 50,532,325 4,425,720 Quechua Runa Simi qu 32.08 20,217 664,672 52,351 Romanian Română ro 87 378,029 11,634,921 1,742,568 Russian Русский ru 144.35 1,412,380 99,308,919 5,351,471 Sanskrit संस्कृतम् sa 99.23 11,183 423,990 49,086 Sakha Саха тыла sah 51.61 11,399 357,185 38,167 Sicilian Sicilianu scn 19.92 25,620 756,615 57,005 Scots Scots sco 25.67 46,072 626,434 166,372 Serbo-Croatian Srpskohrvatski / Српскохрватски sh 790.91 439,475 40,800,977 4,580,710 Sinhalese සිංහල si 87.76 13,566 412,584 63,374 Simple English Simple English simple 75.7 127,010 5,738,085 429,255 Slovak Slovenčina sk 19.22 218,829 6,557,153 477,804 Slovenian Slovenščina sl 24.92 157,084 5,034,281 369,549 Albanian Shqip sq 31.4 67,239 1,899,728 184,734 Serbian Српски sr 92.07 354,543 15,132,625 1,382,968 Sundanese Basa Sunda su 4.17 38,651 547,644 66,047 Swedish Svenska sv 5.38 3,790,148 40,574,215 7,593,886 Swahili Kiswahili sw 22.17 37,109 1,049,982 87,567 Tamil தமிழ் ta 25.82 112,600 2,479,825 317,235 Telugu తెలుగు te 49.4 67,272 2,150,820 217,708 Tajik Тоҷикӣ tg 6.76 68,502 881,695 139,310 Thai ไทย th 240.29 118,435 7,501,164 665,104 Tagalog Tagalog tl 28.67 75,088 1,663,526 221,960 Turkish Türkçe tr 221.03 296,471 19,924,346 1,509,797 Tatar Татарча tt 25.65 72,015 2,223,860 174,038 Ukrainian Українська uk 40.1 711,436 21,017,409 2,153,538 Urdu اردو ur 171.7 122,517 5,601,201 683,188 Uzbek O‘zbek uz 61.68 128,941 2,660,883 616,297 Venetian Vèneto vec 76.83 10,941 601,749 33,603 Vietnamese Tiếng Việt vi 31.26 1,159,530 26,909,846 3,496,640 Volapük Volapük vo 15.15 120,499 3,312,466 249,148 Walloon Walon wa 22.31 14,569 335,031 37,630 Waray-Waray Winaray war 3.57 1,262,815 6,297,574 2,874,066 Yiddish ייִדיש yi 43.43 14,048 540,081 38,890 Yoruba Yorùbá yo 5.4 31,573 563,009 54,370 Chinese 中文 zh 169.73 955,719 46,778,316 5,044,559 Min Nan Bân-lâm-gú zh-min-nan 11 219,903 1,814,201 659,856 Cantonese 粵語 zh-yue 21.79 56,315 1,149,746 151,856 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	987	98	218	25	78	126	13	143	197	144	5	170	37	45	31	40	221	87	15	41	58	17	19	66	124	262	189	112	23	92
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)