Database Statistics

Last updated: 2015-01-31

Basic metadata

Core Entities
Artists: 920,150
Release Groups: 1,148,515
Releases: 1,405,918
Mediums: 1,570,034
Recordings: 14,474,537
Tracks: 17,759,334
Labels: 88,840
Works: 555,048
URLs: 2,818,625
Areas: 105,244
Places: 8,581
Series: 2,800
Instruments: 681
Events: 2,073
Other Entities
Editors (valid / deleted): 1,279,458 / 1,618
Relationships: 9,606,149
CD Stubs (all time / current): 325,743/ 281,065
Tags (raw / aggregated): 1,905,242 / 48,037
Ratings (raw / aggregated): 293,726 / 241,788
Identifiers
MBIDs: 43,541,209
ISRCs (all / unique): 458,075/438,389
ISWCs (all / unique): 76,853/76,493
Disc IDs: 606,838
Barcodes: 460,449
IPIs: 15,873
ISNIs: 9,789

Artists

Artists
Artists: 920,150
of type Person: 449,108 48.8%
of type Group: 224,312 24.4%
of type Orchestra: 1,279 0.1%
of type Choir: 879 0.1%
of type Character: 2,369 0.3%
of type Other: 1,320 0.1%
with no type set: 240,883 26.2%
with appearances in artist credits: 674,837 73.3%
with no appearances in artist credits: 245,313 26.7%
Non-group artists: 691,311
Male: 196,776 28.5%
Female: 53,788 7.8%
Other gender: 217 0.0%
with no gender set: 442,899 64.1%

Releases, Data Quality, and Disc IDs

Releases
Releases: 1,405,918
by various artists: 134,266 9.6%
by a single artist: 1,271,652 90.4%
Release Status
Releases: 1,405,918
Official 1,267,121 90.1%
Promotion 40,965 2.9%
Bootleg 32,619 2.3%
Pseudo-Release 7,806 0.6%
No status set 57,407 4.1%
Release Packaging
Releases: 1,405,918
Jewel Case 135,326 9.6%
Fatbox 620 0.0%
Snap Case 86 0.0%
Gatefold Cover 2,026 0.1%
Discbox Slider 49 0.0%
Slim Jewel Case 8,095 0.6%
Digipak 29,754 2.1%
Cardboard/Paper Sleeve 53,886 3.8%
Other 7,830 0.6%
Keep Case 1,068 0.1%
None 79,718 5.7%
Cassette Case 2,157 0.2%
Book 667 0.0%
No packaging set 1,084,636 77.1%
Cover Art Sources
Releases: 1,405,918
CAA: 307,703 21.9%
Amazon: 346,002 24.6%
URL Relationships: 3,792 0.3%
No front cover art: 748,421 53.2%
Data Quality
Releases: 1,405,918
High Data Quality: 2,294 0.2%
Default Data Quality: 1,402,495 99.8%
Normal Data Quality: 1,710 0.1%
Unknown Data Quality: 1,400,785 99.9%
Low Data Quality: 1,129 0.1%
Disc IDs
Disc IDs: 606,838
Releases: 1,405,918
Releases with no disc IDs: 917,355 65.2%
Releases with at least one disc ID: 488,563 34.8%
with 1 disc ID: 378,229 77.4%
with 2 disc IDs: 66,377 13.6%
with 3 disc IDs: 18,576 3.8%
with 4 disc IDs: 9,306 1.9%
with 5 disc IDs: 4,724 1.0%
with 6 disc IDs: 3,121 0.6%
with 7 disc IDs: 1,874 0.4%
with 8 disc IDs: 1,470 0.3%
with 9 disc IDs: 948 0.2%
with 10 or more disc IDs: 3,938 0.8%
Mediums: 1,570,034
Mediums with no disc IDs: 1,008,504 64.2%
Mediums with at least one disc ID: 561,530 35.8%
with 1 disc ID: 482,695 86.0%
with 2 disc IDs: 46,867 8.3%
with 3 disc IDs: 13,807 2.5%
with 4 disc IDs: 6,239 1.1%
with 5 disc IDs: 3,406 0.6%
with 6 disc IDs: 2,291 0.4%
with 7 disc IDs: 1,578 0.3%
with 8 disc IDs: 1,125 0.2%
with 9 disc IDs: 733 0.1%
with 10 or more disc IDs: 2,789 0.5%

Release Groups

Primary Types
Release Groups: 1,148,515
Album 798,015 69.5%
Other 28,820 2.5%
Broadcast 1,309 0.1%
Single 166,347 14.5%
EP 101,065 8.8%
Secondary Types
Release Groups: 1,148,515
Compilation 189,848 16.5%
Demo 1,740 0.2%
Soundtrack 24,923 2.2%
Spokenword 6,529 0.6%
Interview 497 0.0%
Audiobook 5,473 0.5%
Live 54,213 4.7%
Remix 10,546 0.9%
DJ-mix 4,243 0.4%
Mixtape/Street 2,546 0.2%

Recordings

Recordings
Recordings: 14,474,537
Videos: 37,088 0.3%

Works

Types
Works: 555,048
Aria 1,587 0.3%
Audio drama 40 0.0%
Ballet 257 0.0%
Beijing opera 259 0.0%
Cantata 634 0.1%
Concerto 2,326 0.4%
Madrigal 116 0.0%
Mass 385 0.1%
Motet 181 0.0%
Opera 687 0.1%
Operetta 111 0.0%
Oratorio 139 0.0%
Overture 551 0.1%
Partita 46 0.0%
Play 18 0.0%
Poem 895 0.2%
Prose 682 0.1%
Quartet 650 0.1%
Sonata 2,642 0.5%
Song 233,713 42.1%
Song-cycle 556 0.1%
Soundtrack 4,695 0.8%
Suite 1,007 0.2%
Symphonic poem 265 0.0%
Symphony 1,439 0.3%
Zarzuela 109 0.0%
Étude 355 0.1%
None 300,703 54.2%
Attributes
Works: 555,048
APRA ID 251 0.0%
ASCAP ID 1,236 0.2%
BMI ID 862 0.2%
GEMA ID 1,792 0.3%
Identifiers 0 0.0%
JASRAC ID 14,962 2.7%
KOMCA ID 18 0.0%
Key 2,993 0.5%
MÜST ID 30 0.0%
Rāga (Carnatic) 40 0.0%
SESAC ID 61 0.0%
SOCAN ID 43 0.0%
Tāla (Carnatic) 23 0.0%
None 533,270 96.1%

Areas

Types
Areas: 105,244
City 72,555 68.9%
Country 255 0.2%
County 3,323 3.2%
District 448 0.4%
Island 69 0.1%
Municipality 23,395 22.2%
Subdivision 5,192 4.9%
None 7 0.0%

Places

Types
Places: 8,581
Indoor arena 175 2.0%
Other 941 11.0%
Stadium 129 1.5%
Studio 3,848 44.8%
Venue 2,613 30.5%
None 875 10.2%

Series

Types
Series: 2,800
Catalogue 229 8.2%
Event 56 2.0%
Festival 47 1.7%
Recording 27 1.0%
Release 251 9.0%
Release group 2,075 74.1%
Run 0 0.0%
Tour 85 3.0%
Work 30 1.1%

Instruments

Types
Instruments: 681
Electronic instrument 31 4.6%
Other instrument 19 2.8%
Percussion instrument 178 26.1%
String instrument 250 36.7%
Wind instrument 203 29.8%
None 0 0.0%

Events

Types
Events: 2,073
Concert 1,458 70.3%
Convention/Expo 202 9.7%
Festival 253 12.2%
Launch event 36 1.7%
Masterclass/Clinic 1 0.0%
None 123 5.9%

Editors, Edits, and Votes

Editors
Editors (valid): 1,279,458
active ever: 243,456 19.0%
who edited and/or voted in the last 7 days: 1,218 0.5%
who edited in the last 7 days: 1,189 97.6%
who voted in the last 7 days: 140 11.5%
who edit: 234,183 96.2%
who vote: 14,913 6.1%
who leave edit notes: 77,694 31.9%
who use tags: 14,370 5.9%
who use ratings: 16,558 6.8%
who use subscriptions: 27,946 11.5%
who use collections: 8,608 3.5%
who have registered applications: 211 0.1%
validated email only: 430,590 33.7%
inactive: 605,412 47.3%
Editors (deleted): 1,618
Edits
Edits: 27,879,922
Open: 56,339 0.2%
Applied: 27,252,369 97.7%
Voted down: 180,104 0.6%
Failed (dependency): 40,862 0.1%
Failed (prerequisite): 36,641 0.1%
Failed (internal error): 4,614 0.0%
Cancelled: 308,410 1.1%
Edits: 27,879,922
Last 7 days: 128,472 0.5%
Yesterday: 15,774 12.3%
Votes
Votes: 11,983,050
Approve: 94,394 0.8%
Yes: 7,648,886 63.8%
No: 493,863 4.1%
Abstain: 3,745,907 31.3%
Votes: 11,983,050
Last 7 days: 31,758 0.3%
Yesterday: 3,127 9.8%