Wikipedia article depth

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The depth or editing depth of Wikipedia is one of several possible rough indicators of the encyclopedia's collaborative quality.

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{Non-Articles}}{\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{Non-Articles}}{\text{Articles}}}\right)^{2}

Non-Articles are user pages, redirects, images, "project" pages, categories, templates, and all talk pages. Total is simply Non-Articles + Articles.

The English Wikipedia has the most depth, at 1273.2 ( = 20.21 × 62.99).

Among editions with at least 10,000 articles, the Ladin wikipedia has the least depth, at 0.002 ( = 1.28 × 0.001).

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)).^[1] 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 (Purge).

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
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
No.

Language	Language (local)	Wiki	Depth	Articles	Edits	Total Pages
Acehnese	Acehnese	ace	7.13	12,963	151,476	27,790
Afrikaans	Afrikaans	af	37.39	118,820	2,699,020	397,740
Alemannic	Alemannisch	als	28.21	30,653	1,057,152	73,614
Amharic	አማርኛ	am	33.75	15,372	381,418	46,581
Aragonese	Aragonés	an	77.84	46,820	2,208,469	156,931
Arabic	العربية	ar	273.42	1,242,281	67,910,248	8,516,923
Moroccan Arabic	داريجة	ary	190.35	10,296	376,636	72,710
Egyptian Arabic	مصرى	arz	0.49	1,625,117	10,605,606	2,134,790
Assamese	অসমীয়া	as	163.37	13,769	435,357	96,720
Asturian	Asturianu	ast	10.41	136,685	4,283,563	241,373
Kotava	Kotava	avk	0.19	29,640	145,209	36,038
Azerbaijani	Azərbaycanca	az	48.6	199,443	7,786,984	578,373
South Azerbaijani	تۆرکجه	azb	5.1	243,721	1,565,014	577,996
Bashkir	Башҡорт	ba	24.64	63,745	1,277,810	183,719
Balinese	Bali	ban	3.56	25,698	197,717	50,115
Bavarian	Boarisch	bar	71.35	27,171	843,616	110,072
Samogitian	Žemaitėška	bat-smg	6.56	17,231	360,959	29,937
Central Bicolano	Bikol	bcl	14.79	17,722	278,219	45,189
Belarusian	Беларуская	be	23.28	247,123	4,842,915	700,650
Belarusian (Taraškievica)	Беларуская (тарашкевіца)	be-tarask	36.51	87,635	2,563,877	254,459
Bulgarian	Български	bg	28.66	300,720	12,355,722	677,751
Bengali	বাংলা	bn	296.47	158,847	7,653,574	1,275,328
Bishnupriya Manipuri	বিষ্ণুপ্রিয়া মণিপুরী	bpy	32.94	25,087	894,208	63,434
Breton	Brezhoneg	br	8.86	86,948	2,111,091	157,672
Bosnian	Bosanski	bs	84.31	93,884	3,645,268	367,653
Buginese	Basa Ugi	bug	0.73	15,845	202,906	20,121
Catalan	Català	ca	40.25	760,695	34,036,403	1,901,361
Chechen	Нохчийн	ce	8.43	601,396	10,441,869	1,190,976
Min Dong	Mìng-dĕ̤ng-ngṳ̄	cdo	3.14	16,551	102,088	33,285
Cebuano	Sinugboanong Binisaya	ceb	2.18	6,116,918	35,050,803	11,229,242
Sorani	کوردی	ckb	29.53	72,245	1,340,502	237,494
Crimean Tatar	Qırımtatarca	crh	3.57	28,420	230,583	54,546
Czech	Čeština	cs	50.64	554,330	24,255,875	1,552,174
Chuvash	Чăваш	cv	7.81	56,593	835,726	115,340
Welsh	Cymraeg	cy	15.71	281,186	13,118,742	498,413
Danish	Dansk	da	57.52	302,475	11,846,086	953,196
German	Deutsch	de	93.79	2,947,801	247,509,608	8,117,998
Zazaki	Zazaki	diq	2.15	42,087	532,044	63,400
Greek	Ελληνικά	el	55.32	240,611	10,758,126	695,700
Emilian-Romagnol	Emiliàn e rumagnòl	eml	12.97	13,060	157,177	35,377
English	English	en	1273.15	6,891,502	1,244,812,707	61,585,802
Esperanto	Esperanto	eo	17.09	359,414	8,852,623	808,439
Spanish	Español	es	197.51	1,982,364	162,386,042	8,269,196
Estonian	Eesti	et	21.2	247,878	6,730,271	584,118
Basque	Euskara	eu	13.91	445,103	9,908,333	962,530
Persian	فارسی	fa	152.46	1,015,169	40,341,341	5,745,801
Finnish	Suomi	fi	38.21	581,220	22,621,372	1,509,150
Faroese	Føroyskt	fo	33.63	14,113	381,015	40,944
French	Français	fr	266.03	2,639,496	218,719,421	13,226,260
North Frisian	Nordfriisk	frr	12.12	19,752	266,342	49,357
West Frisian	Frysk	fy	29.31	54,399	1,166,395	165,240
Irish	Gaeilge	ga	6.58	60,769	1,234,595	106,557
Scottish Gaelic	Gàidhlig	gd	18.79	15,984	577,098	32,400
Galician	Galego	gl	27.6	214,510	6,845,178	527,293
Gorontalo	Hulontalo	gor	0.78	14,779	57,340	23,063
Gujarati	ગુજરાતી	gu	71.68	30,438	871,030	129,991
Hausa	Hausa / هَوُسَ	ha	2.08	50,470	532,207	78,429
Fiji Hindi	Fiji Hindi	hif	74.01	11,244	314,232	49,722
Hebrew	עברית	he	270.36	363,203	39,671,147	1,539,748
Hindi	हिन्दी	hi	242.88	163,383	6,259,057	1,342,726
Croatian	Hrvatski	hr	18.79	222,570	7,017,457	473,080
Upper Sorbian	Hornjoserbsce	hsb	26.07	13,949	383,754	35,662
Haitian	Krèyol ayisyen	ht	0.74	69,752	849,845	89,157
Hungarian	Magyar	hu	60.28	548,294	27,439,588	1,564,918
Armenian	Հայերեն	hy	63.33	313,090	10,113,665	1,155,112
Interlingua	Interlingua	ia	3.94	29,722	670,198	45,016
Indonesian	Bahasa Indonesia	id	138.65	706,396	26,358,330	3,909,894
Ilokano	Ilokano	ilo	72.93	15,388	401,688	70,402
Ido	Ido	io	2.3	50,466	1,054,404	70,230
Icelandic	Íslenska	is	31.28	59,057	1,876,112	153,545
Italian	Italiano	it	189.54	1,884,876	141,154,697	8,101,791
Japanese	日本語	ja	90.93	1,432,309	101,893,399	4,207,847
Javanese	Basa Jawa	jv	20.17	74,106	1,695,113	183,639
Georgian	ქართული	ka	30.76	175,565	4,696,639	490,148
Kazakh	Қазақша	kk	15.17	237,637	3,384,343	640,154
Kannada	ಕನ್ನಡ	kn	96.59	32,812	1,241,900	141,769
Korean	한국어	ko	165.4	686,910	37,877,240	3,290,857
Kurdish	Kurdî	ku	29.72	84,016	1,845,700	253,873
Kirghiz	Кыргызча	ky	0.72	78,397	487,323	109,900
Latin	Latina	la	14.67	139,487	3,846,972	284,898
Luxembourgish	Lëtzebuergesch	lb	25.48	63,957	2,544,755	139,557
Limburgish	Limburgs	li	85.88	15,000	470,845	67,715
Ligurian	Lìgure	lij	18.85	11,297	251,513	27,520
Ladin	Ladin	lld	0.002	180,768	240,419	187,662
Lombard	Lumbaart	lmo	8.06	74,362	1,286,377	145,311
Lithuanian	Lietuvių	lt	29.97	219,384	7,386,004	545,897
Latvian	Latviešu	lv	72.49	130,158	4,145,118	524,250
Maithili	मैथिली	mai	26.12	14,118	263,508	43,404
Banyumasan	Basa Banyumasan	map-bms	10.15	13,929	220,482	30,404
Malagasy	Malagasy	mg	10.59	98,149	1,087,707	251,860
Meadow Mari	Олык Марий (Olyk Marij)	mhr	18.57	11,361	198,826	30,553
Minangkabau	Bahaso Minangkabau	min	7.661	227,803	3,156,034	471,527
Macedonian	Македонски	mk	76.85	146,659	5,268,148	569,290
Malayalam	മലയാളം	ml	201.51	85,992	4,027,586	527,947
Mongolian	Монгол	mn	87.23	24,332	791,524	108,453
Meitei	ꯃꯤꯇꯩꯂꯣꯟ	mni	1.38	10,435	57,789	17,097
Marathi	मराठी	mr	38.93	98,088	2,476,969	317,028
Hill Mari	Кырык Мары (Kyryk Mary)	mrj	4.69	10,433	106,204	20,320
Malay	Bahasa Melayu	ms	19.19	391,035	6,318,170	1,108,536
Burmese language	မြန်မာဘာသာ	my	5.57	108,391	847,645	246,255
Mazandarani	مَزِروني	mzn	1.94	45,126	248,702	81,017
Neapolitan	Nnapulitano	nap	10.57	14,884	668,636	24,064
Low Saxon	Plattdüütsch	nds	6.85	85,058	1,027,267	177,622
Nepali	नेपाली	ne	71.89	31,339	1,247,729	110,369
Newari	नेवारी	new	8.69	72,456	869,054	165,753
Dutch	Nederlands	nl	19.23	2,168,822	68,044,986	4,657,312
Norwegian (Nynorsk)	Nynorsk	nn	14.91	171,164	3,563,660	389,728
Norwegian (Bokmål)	Norsk (Bokmål)	no	47.89	636,278	24,667,193	1,838,383
Navajo	Diné bizaad	nv	3.45	22,645	307,650	37,293
Occitan	Occitan	oc	10.15	90,057	2,437,951	164,615
Oriya	ଓଡ଼ିଆ	or	76.4	18,567	541,903	81,509
Ossetian	Иронау	os	56.79	19,200	566,650	70,085
Punjabi	ਪੰਜਾਬੀ	pa	21.76	54,992	768,521	178,701
Polish	Polski	pl	34.43	1,630,247	74,690,381	3,783,149
Piedmontese	Piemontèis	pms	2.22	69,065	872,755	104,666
Western Panjabi	شاہ مکھی پنجابی	pnb	3.45	73,373	671,484	134,336
Pashto	پښتو	ps	31.06	19,712	337,427	69,612
Portuguese	Português	pt	198.43	1,134,445	68,575,663	5,769,741
Quechua	Runa Simi	qu	22.97	24,061	673,975	57,843
Romanian	Română	ro	135.95	484,254	16,456,800	2,822,694
Russian	Русский	ru	158.98	2,002,705	140,296,566	8,052,132
Sanskrit	संस्कृतम्	sa	180	12,213	488,691	77,440
Sakha	Саха тыла	sah	32.61	17,120	409,852	51,915
Sicilian	Sicilianu	scn	16.91	26,298	741,237	56,029
Scots	Scots	sco	58.46	34,492	891,760	138,373
Sindhi	سنڌي، سندھی ، सिन्ध	sd	28.71	18,166	291,633	63,631
Serbo-Croatian	Srpskohrvatski / Српскохрватски	sh	748.61	459,982	42,203,102	4,627,355
Shan	လိၵ်ႈတႆး	shn	3.71	13,684	64,988	32,244
Sinhalese	සිංහල	si	177.9	21,372	712,333	153,850
Simple English	Simple English	simple	60.17	257,920	9,783,991	846,343
Slovak	Slovenčina	sk	23.29	250,530	7,896,808	577,514
Slovenian	Slovenščina	sl	31.64	186,894	6,297,295	475,904
Albanian	Shqip	sq	37.08	100,028	2,698,151	304,709
Serbian	Српски	sr	170.48	695,200	28,463,461	4,169,218
Sundanese	Basa Sunda	su	2.44	61,808	671,962	98,874
Swedish	Svenska	sv	17.85	2,595,652	55,924,957	6,266,887
Swahili	Kiswahili	sw	9.79	83,870	1,351,522	179,510
Silesian	Ślůnsko	szl	0.38	58,331	373,508	74,323
Tamil	தமிழ்	ta	42.24	168,125	4,095,781	578,917
Telugu	తెలుగు	te	81.32	100,272	4,285,277	363,691
Tajik	Тоҷикӣ	tg	10.48	113,936	1,410,716	277,498
Thai	ไทย	th	337.64	167,216	11,781,783	1,110,564
Tagalog	Tagalog	tl	147.66	47,547	2,125,525	242,837
Turkish	Türkçe	tr	174.21	622,534	33,886,992	3,112,974
Tatar	Татарча	tt	2.19	502,054	4,289,477	829,055
Ukrainian	Українська	uk	59.01	1,347,715	43,546,348	4,776,609
Urdu	اردو	ur	102.32	212,565	6,379,612	1,109,075
Uzbek	O‘zbek	uz	33.87	299,921	5,251,031	1,098,178
Venetian	Vèneto	vec	9.27	69,337	1,176,584	142,909
Vietnamese	Tiếng Việt	vi	726.78	1,295,120	71,786,460	19,485,946
Volapük	Volapük	vo	201.76	38,045	3,303,761	155,155
Walloon	Walon	wa	25.99	12,438	407,643	29,493
Waray-Waray	Winaray	war	4.25	1,266,601	7,603,372	2,870,175
Wu	吴语	wuu	0.73	44,212	324,178	60,576
Mingrelian	მარგალური (Margaluri)	xmf	4.3	21,522	230,629	40,138
Yiddish	ייִדיש	yi	46.19	15,474	594,071	44,140
Yoruba	Yorùbá	yo	5	34,372	586,896	58,667
Chinese	中文	zh	209.79	1,445,262	84,165,045	7,830,284
Classical Chinese	古文 / 文言文	zh-classical	191.22	13,482	409,681	110,155
Min Nan	Bân-lâm-gú	zh-min-nan	6.5	433,362	3,215,897	1,070,676
Cantonese	粵語	zh-yue	10.68	141,986	2,187,985	319,271
Zulu	isiZulu	zu	6.4	11,533	110,190	25,593
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^[2] 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	1273	94	266	34	91	190	19	198	198	159	18	210	48	38	40	59	174	136	202	51	60	17	23	58	139	270	273	165	30	170
1 July 2022	1130	93	253	33	87	179	18	182	204	154	16	206	46	39	39	55	166	146	15	47	59	16	22	60	116	260	237	154	28	157
1 Jan 2022	1094	92	246	32	86	176	17	179	207	138	14	205	46	39	37	54	175	145	14	47	59	16	21	64	103	257	231	152	27	156
1 July 2021	1072	93	242	32	85	172	17	176	210	137	12	202	46	40	36	53	199	122	14	46	59	16	21	64	103	258	227	153	26	155
1 Jan 2021	1041	94	239	31	84	168	16	175	210	136	9	201	42	40	34	49	203	120	14	45	59	16	21	63	108	259	219	151	24	157
1 July 2020	1009	94	236	30	84	169	16	172	208	136	7	198	42	40	32	44	222	118	14	47	59	17	20	64	109	259	214	152	23	157
1 Jan 2020	985	94	234	30	83	164	16	171	204	137	7	195	41	41	31	39	205	117	14	47	59	17	20	64	109	261	175	149	23	155
1 July 2019	964	94	229	30	82	160	15	166	199	135	7	188	42	42	30	38	200	114	14	46	58	17	19	64	110	260	182	150	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

Notes

↑ List of Wikipedias
↑ At November 2008.

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[1] List of Wikipedias

[2] At November 2008.

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