Database Statistics

Last updated: 2015-03-31

Basic metadata

Core Entities
Artists: 939,720
Release Groups: 1,168,465
Releases: 1,432,753
Mediums: 1,600,920
Recordings: 14,690,597
Tracks: 18,078,404
Labels: 90,919
Works: 576,448
URLs: 2,939,948
Areas: 114,239
Places: 9,465
Series: 2,993
Instruments: 730
Events: 3,007
Other Entities
Editors (valid / deleted): 1,296,585 / 1,681
Relationships: 10,062,027
CD Stubs (all time / current): 327,024/ 281,661
Tags (raw / aggregated): 1,926,404 / 49,204
Ratings (raw / aggregated): 309,579 / 251,848
Identifiers
MBIDs: 44,334,427
ISRCs (all / unique): 468,938/448,858
ISWCs (all / unique): 80,693/80,324
Disc IDs: 613,546
Barcodes: 472,510
IPIs: 16,748
ISNIs: 10,525

Artists

Artists
Artists: 939,720
of type Person: 461,181 49.1%
of type Group: 228,816 24.3%
of type Orchestra: 1,461 0.2%
of type Choir: 1,011 0.1%
of type Character: 2,511 0.3%
of type Other: 1,330 0.1%
with no type set: 243,410 25.9%
with appearances in artist credits: 685,966 73.0%
with no appearances in artist credits: 253,754 27.0%
Non-group artists: 705,921
Male: 206,902 29.3%
Female: 56,329 8.0%
Other gender: 231 0.0%
with no gender set: 444,970 63.0%

Releases, Data Quality, and Disc IDs

Releases
Releases: 1,432,753
by various artists: 135,635 9.5%
by a single artist: 1,297,118 90.5%
Release Status
Releases: 1,432,753
Official 1,292,178 90.2%
Promotion 41,686 2.9%
Bootleg 32,757 2.3%
Pseudo-Release 7,909 0.6%
No status set 58,223 4.1%
Release Packaging
Releases: 1,432,753
Jewel Case 142,032 9.9%
Fatbox 732 0.1%
Snap Case 104 0.0%
Gatefold Cover 2,372 0.2%
Discbox Slider 60 0.0%
Slim Jewel Case 8,490 0.6%
Digipak 30,935 2.2%
Cardboard/Paper Sleeve 56,136 3.9%
Other 8,060 0.6%
Keep Case 1,097 0.1%
None 85,654 6.0%
Cassette Case 2,416 0.2%
Book 761 0.1%
No packaging set 1,093,904 76.3%
Cover Art Sources
Releases: 1,432,753
CAA: 328,485 22.9%
Amazon: 343,985 24.0%
URL Relationships: 3,723 0.3%
No front cover art: 756,560 52.8%
Data Quality
Releases: 1,432,753
High Data Quality: 2,297 0.2%
Default Data Quality: 1,429,299 99.8%
Normal Data Quality: 1,714 0.1%
Unknown Data Quality: 1,427,585 99.9%
Low Data Quality: 1,156 0.1%
Disc IDs
Disc IDs: 613,546
Releases: 1,432,753
Releases with no disc IDs: 938,583 65.5%
Releases with at least one disc ID: 494,170 34.5%
with 1 disc ID: 382,936 77.5%
with 2 disc IDs: 67,028 13.6%
with 3 disc IDs: 18,697 3.8%
with 4 disc IDs: 9,357 1.9%
with 5 disc IDs: 4,753 1.0%
with 6 disc IDs: 3,134 0.6%
with 7 disc IDs: 1,885 0.4%
with 8 disc IDs: 1,473 0.3%
with 9 disc IDs: 946 0.2%
with 10 or more disc IDs: 3,961 0.8%
Mediums: 1,600,920
Mediums with no disc IDs: 1,032,223 64.5%
Mediums with at least one disc ID: 568,697 35.5%
with 1 disc ID: 489,563 86.1%
with 2 disc IDs: 47,126 8.3%
with 3 disc IDs: 13,836 2.4%
with 4 disc IDs: 6,236 1.1%
with 5 disc IDs: 3,413 0.6%
with 6 disc IDs: 2,290 0.4%
with 7 disc IDs: 1,585 0.3%
with 8 disc IDs: 1,128 0.2%
with 9 disc IDs: 733 0.1%
with 10 or more disc IDs: 2,787 0.5%

Release Groups

Primary Types
Release Groups: 1,168,465
Album 811,113 69.4%
Other 29,004 2.5%
Broadcast 1,348 0.1%
Single 170,005 14.5%
EP 103,840 8.9%
Secondary Types
Release Groups: 1,168,465
Compilation 192,662 16.5%
Demo 2,148 0.2%
Soundtrack 25,594 2.2%
Spokenword 6,613 0.6%
Interview 508 0.0%
Audiobook 5,577 0.5%
Live 54,937 4.7%
Remix 10,782 0.9%
DJ-mix 4,315 0.4%
Mixtape/Street 2,742 0.2%

Recordings

Recordings
Recordings: 14,690,597
Videos: 39,152 0.3%

Works

Types
Works: 576,448
Aria 1,679 0.3%
Audio drama 41 0.0%
Ballet 297 0.1%
Beijing opera 259 0.0%
Cantata 700 0.1%
Concerto 2,710 0.5%
Madrigal 144 0.0%
Mass 396 0.1%
Motet 224 0.0%
Musical 129 0.0%
Opera 967 0.2%
Operetta 137 0.0%
Oratorio 165 0.0%
Overture 704 0.1%
Partita 47 0.0%
Play 41 0.0%
Poem 967 0.2%
Prose 949 0.2%
Quartet 680 0.1%
Sonata 2,759 0.5%
Song 246,189 42.7%
Song-cycle 643 0.1%
Soundtrack 5,072 0.9%
Suite 1,270 0.2%
Symphonic poem 316 0.1%
Symphony 1,575 0.3%
Zarzuela 109 0.0%
Étude 373 0.1%
None 306,906 53.2%
Attributes
Works: 576,448
APRA ID 256 0.0%
ASCAP ID 1,593 0.3%
BMI ID 1,025 0.2%
GEMA ID 2,418 0.4%
Identifiers 0 0.0%
JASRAC ID 16,452 2.9%
KOMCA ID 38 0.0%
Key 3,359 0.6%
MÜST ID 31 0.0%
Rāga (Carnatic) 40 0.0%
SESAC ID 63 0.0%
SOCAN ID 111 0.0%
Tāla (Carnatic) 23 0.0%
None 551,717 95.7%

Areas

Types
Areas: 114,239
City 72,889 63.8%
Country 255 0.2%
County 3,323 2.9%
District 470 0.4%
Island 70 0.1%
Municipality 32,031 28.0%
Subdivision 5,195 4.5%
None 6 0.0%

Places

Types
Places: 9,465
Indoor arena 184 1.9%
Other 853 9.0%
Religious building 239 2.5%
Stadium 132 1.4%
Studio 4,320 45.6%
Venue 2,785 29.4%
None 952 10.1%

Series

Types
Series: 2,993
Catalogue 257 8.6%
Event 63 2.1%
Festival 52 1.7%
Recording 28 0.9%
Release 292 9.8%
Release group 2,174 72.6%
Run 0 0.0%
Tour 92 3.1%
Work 35 1.2%

Instruments

Types
Instruments: 730
Electronic instrument 31 4.2%
Other instrument 20 2.7%
Percussion instrument 195 26.7%
String instrument 268 36.7%
Wind instrument 216 29.6%
None 0 0.0%

Events

Types
Events: 3,007
Concert 2,056 68.4%
Convention/Expo 205 6.8%
Festival 557 18.5%
Launch event 39 1.3%
Masterclass/Clinic 1 0.0%
None 149 5.0%

Editors, Edits, and Votes

Editors
Editors (valid): 1,296,585
active ever: 245,973 19.0%
who edited and/or voted in the last 7 days: 1,244 0.5%
who edited in the last 7 days: 1,207 97.0%
who voted in the last 7 days: 148 11.9%
who edit: 236,511 96.2%
who vote: 14,989 6.1%
who leave edit notes: 79,539 32.3%
who use tags: 14,769 6.0%
who use ratings: 16,830 6.8%
who use subscriptions: 29,024 11.8%
who use collections: 8,729 3.5%
who have registered applications: 242 0.1%
validated email only: 443,517 34.2%
inactive: 607,095 46.8%
Editors (deleted): 1,681
Edits
Edits: 28,911,727
Open: 51,855 0.2%
Applied: 28,276,995 97.8%
Voted down: 182,575 0.6%
Failed (dependency): 42,696 0.1%
Failed (prerequisite): 36,641 0.1%
Failed (internal error): 4,657 0.0%
Cancelled: 315,716 1.1%
Edits: 28,911,727
Last 7 days: 121,577 0.4%
Yesterday: 19,842 16.3%
Votes
Votes: 12,271,038
Approve: 99,901 0.8%
Yes: 7,903,190 64.4%
No: 500,752 4.1%
Abstain: 3,767,195 30.7%
Votes: 12,271,038
Last 7 days: 40,305 0.3%
Yesterday: 6,738 16.7%