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 940 = 18.64 × 50.41 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 = 155.28 × 6.89.

The Chechen Wikipedia has the smallest depth, at 0.184 = 12.09 × 0.015.

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 39.74 68,912 1,890,193 215,650 Alemannic Alemannisch als 26 25,376 874,224 58,987 Amharic አማርኛ am 34.42 14,496 351,665 44,876 Aragonese Aragonés an 69.56 34,229 1,621,506 107,852 Arabic العربية ar 235.34 660,964 32,597,305 4,376,179 Egyptian Arabic مصرى arz 270.3 20,193 844,051 168,549 Asturian Asturianu ast 3.94 99,557 2,172,133 151,792 Azerbaijani Azərbaycanca az 31.5 142,304 4,561,836 369,608 South Azerbaijani تۆرکجه azb 6.7 119,089 796,199 311,683 Bashkir Башҡорт ba 22.74 46,233 860,504 132,868 Bavarian Boarisch bar 51.37 27,361 705,055 101,918 Samogitian Žemaitėška bat-smg 5.93 16,436 345,400 27,793 Belarusian Беларуская be 31.87 161,106 3,291,578 524,010 Belarusian (Taraškievica) Беларуская (тарашкевіца) be-tarask 33.07 65,729 2,028,869 177,536 Bulgarian Български bg 24.4 248,838 9,041,048 552,746 Bengali বাংলা bn 416.65 63,887 3,301,226 636,502 Bishnupriya Manipuri বিষ্ণুপ্রিয়া মণিপুরী bpy 23.48 25,081 781,008 58,282 Breton Brezhoneg br 12.92 66,098 1,821,388 129,439 Bosnian Bosanski bs 106.87 79,286 2,964,914 368,087 Buginese Basa Ugi bug 1.06 14,121 191,862 18,663 Catalan Català ca 30 601,365 20,647,430 1,484,558 Chechen Нохчийн ce 0.18 208,921 2,838,229 234,703 Min Dong Mìng-dĕ̤ng-ngṳ̄ cdo 2.46 14,157 75,209 27,617 Cebuano Sinugboanong Binisaya ceb 1.28 5,364,644 24,953,880 9,011,700 Sorani کوردی ckb 93.01 22,888 599,404 122,801 Czech Čeština cs 45.11 420,108 16,832,617 1,161,182 Chuvash Чăваш cv 5.16 41,643 649,585 73,456 Welsh Cymraeg cy 44.64 102,241 7,264,673 221,519 Danish Dansk da 66.8 242,502 9,777,024 814,591 German Deutsch de 94.42 2,261,859 183,653,164 6,348,035 Greek Ελληνικά el 63.35 157,516 7,359,805 476,547 Emilian-Romagnol Emiliàn e rumagnòl eml 10.92 11,888 127,435 31,388 English English en 939.8 5,790,064 874,387,288 46,897,981 Esperanto Esperanto eo 17.25 253,894 6,490,583 565,000 Spanish Español es 196.05 1,499,755 112,920,709 6,561,753 Estonian Eesti et 24.43 185,614 5,188,826 458,253 Basque Euskara eu 11.22 313,368 6,533,293 642,487 Persian فارسی fa 175.68 660,127 25,242,870 4,250,537 Finnish Suomi fi 42.38 450,466 17,806,723 1,217,125 Faroese Føroyskt fo 35.81 12,903 350,396 38,496 French Français fr 225.97 2,074,185 155,479,149 9,969,671 West Frisian Frysk fy 29.93 41,359 941,646 123,214 Irish Gaeilge ga 4.41 50,290 916,698 81,863 Scottish Gaelic Gàidhlig gd 20.46 14,779 544,084 30,643 Galician Galego gl 32.65 153,936 5,028,456 402,940 Gujarati ગુજરાતી gu 32.95 28,301 649,409 88,161 Hebrew עברית he 254.77 236,921 24,667,910 997,285 Hindi हिन्दी hi 146.56 129,137 4,076,645 837,926 Croatian Hrvatski hr 23.42 201,732 5,181,343 507,130 Upper Sorbian Hornjoserbsce hsb 25.43 13,364 363,705 33,956 Haitian Krèyol ayisyen ht 0.56 54,334 720,896 66,710 Hungarian Magyar hu 58.49 442,947 20,835,122 1,283,916 Armenian Հայերեն hy 39.73 250,680 6,116,682 834,190 Interlingua Interlingua ia 6.24 21,249 603,155 33,816 Indonesian Bahasa Indonesia id 117.9 451,167 14,648,454 2,457,899 Ido Ido io 5.62 28,175 941,908 42,331 Ilokano Ilokano ilo 67.63 11,595 331,276 47,825 Icelandic Íslenska is 36.52 46,156 1,616,696 123,128 Italian Italiano it 156.79 1,496,314 101,883,470 6,069,256 Japanese 日本語 ja 81.39 1,136,065 71,142,578 3,365,111 Javanese Basa Jawa jv 27.98 55,165 1,468,321 147,721 Georgian ქართული ka 35.57 126,380 3,605,338 366,810 Kazakh Қазақша kk 9.44 223,601 2,663,101 530,135 Kannada ಕನ್ನಡ kn 88.37 24,112 888,257 100,266 Korean 한국어 ko 146.58 439,497 23,414,744 1,991,188 Kurdish Kurdî ku 27.03 24,032 712,095 60,431 Kirghiz Кыргызча ky 0.33 79,324 346,536 104,467 Latin Latina la 12.13 129,819 3,382,530 253,631 Luxembourgish Lëtzebuergesch lb 23.96 55,532 2,152,069 119,609 Limburgish Limburgs li 109.81 12,333 431,081 60,914 Lombard Lumbaart lmo 25.27 38,107 976,426 99,158 Lithuanian Lietuvių lt 22.49 193,482 5,493,122 458,586 Latvian Latviešu lv 78.76 90,462 2,990,243 374,630 Maithili मैथिली mai 11.78 13,181 184,412 32,040 Banyumasan Basa Banyumasan map-bms 9.65 13,336 206,703 28,804 Malagasy Malagasy mg 10.25 90,647 963,914 233,509 Meadow Mari Олык Марий (Olyk Marij) mhr 13.44 10,046 175,367 23,540 Minangkabau Bahaso Minangkabau min 0.936 222,502 1,582,497 319,172 Macedonian Македонски mk 106.35 98,315 3,799,494 445,476 Malayalam മലയാളം ml 214.26 61,473 2,990,879 383,812 Mongolian Монгол mn 60.46 18,409 565,572 68,070 Marathi मराठी mr 74.67 52,737 1,655,392 218,176 Hill Mari Кырык Мары (Kyryk Mary) mrj 1.77 10,269 94,429 15,866 Malay Bahasa Melayu ms 15.49 323,636 4,503,788 889,808 Burmese language မြန်မာဘာသာ my 7.07 42,152 445,668 93,509 Mazandarani مَزِروني mzn 7.58 12,784 146,912 28,208 Neapolitan Nnapulitano nap 16.75 14,576 651,866 26,633 Low Saxon Plattdüütsch nds 15.71 41,501 848,635 97,157 Nepali नेपाली ne 25.46 31,701 701,671 88,511 Newari नेवारी new 12.71 72,212 844,435 196,329 Dutch Nederlands nl 14.93 1,955,248 52,863,527 4,045,383 Norwegian (Nynorsk) Nynorsk nn 17.24 141,962 3,102,820 335,910 Norwegian (Bokmål) Norsk (Bokmål) no 40.13 501,397 19,064,069 1,345,163 Occitan Occitan oc 6.67 85,263 2,096,735 142,730 Oriya ଓଡ଼ିଆ or 62.32 14,575 358,838 62,654 Ossetian Иронау os 87.75 11,259 470,548 43,226 Punjabi ਪੰਜਾਬੀ pa 25.22 30,923 453,766 105,977 Polish Polski pl 29.25 1,315,851 55,426,143 2,960,805 Piedmontese Piemontèis pms 2.42 64,411 841,422 98,747 Western Panjabi شاہ مکھی پنجابی pnb 1.41 47,248 511,651 67,671 Portuguese Português pt 154.62 1,014,796 53,898,332 4,767,828 Quechua Runa Simi qu 27.49 21,001 634,606 52,744 Romanian Română ro 112.82 391,294 12,548,601 2,085,794 Russian Русский ru 131.98 1,522,620 97,271,565 5,790,533 Sanskrit संस्कृतम् sa 122.47 11,357 439,984 56,327 Sakha Саха тыла sah 49.58 11,944 344,661 40,924 Sicilian Sicilianu scn 16.44 26,058 724,658 55,228 Scots Scots sco 24.78 53,407 691,250 194,372 Sindhi سنڌي، سندھی ، सिन्ध sd 16.52 11,125 140,184 33,093 Serbo-Croatian Srpskohrvatski / Српскохрватски sh 765.09 447,823 40,852,698 4,607,931 Sinhalese සිංහල si 80.88 14,945 430,013 68,647 Simple English Simple English simple 77.66 142,261 6,368,325 490,016 Slovak Slovenčina sk 19.08 228,238 6,753,537 499,285 Slovenian Slovenščina sl 24.73 163,332 5,076,473 387,850 Albanian Shqip sq 31.1 75,569 1,925,121 217,086 Serbian Српски sr 147.92 614,689 21,234,903 3,760,888 Sundanese Basa Sunda su 4.2 39,845 548,059 68,764 Swedish Svenska sv 6.31 3,759,438 44,185,975 7,703,868 Swahili Kiswahili sw 13.67 47,791 1,050,521 103,163 Tamil தமிழ் ta 29.4 119,372 2,629,306 358,280 Telugu తెలుగు te 63.68 70,383 2,543,143 244,545 Tajik Тоҷикӣ tg 4.31 96,201 1,022,377 180,006 Thai ไทย th 256.86 129,258 8,054,805 769,602 Tagalog Tagalog tl 28.85 77,100 1,672,794 231,000 Turkish Türkçe tr 198.31 321,836 20,236,852 1,593,675 Tatar Татарча tt 22.44 82,802 2,339,329 196,486 Ukrainian Українська uk 36.88 881,139 24,160,579 2,655,147 Urdu اردو ur 96.93 142,994 3,744,069 789,438 Uzbek O‘zbek uz 46.67 130,335 2,030,648 623,872 Venetian Vèneto vec 74.87 11,271 595,585 34,869 Vietnamese Tiếng Việt vi 399.95 1,200,082 47,879,963 14,330,006 Volapük Volapük vo 14.2 122,251 3,196,148 251,491 Walloon Walon wa 22.48 14,804 337,342 38,524 Waray-Waray Winaray war 3.51 1,263,495 6,196,608 2,877,018 Wu 吴语 wuu 4.37 16,459 245,734 28,089 Mingrelian მარგალური (Margaluri) xmf 7.07 12,685 135,521 28,029 Yiddish ייִדיש yi 41.27 14,602 537,819 40,272 Yoruba Yorùbá yo 4.91 31,775 517,338 54,666 Chinese 中文 zh 182.22 1,040,929 52,540,819 5,647,916 Min Nan Bân-lâm-gú zh-min-nan 13.2 227,720 1,925,292 741,045 Cantonese 粵語 zh-yue 16.53 70,650 1,255,570 179,138 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	940	94	226	29	81	157	15	155	196	132	6	182	40	42	30	37	198	113	14	45	58	17	19	67	118	255	235	147	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)