Database Statistics

Last updated: 2015-05-06

Basic metadata

Core Entities
Artists: 950,327
Release Groups: 1,179,275
Releases: 1,447,510
Mediums: 1,617,628
Recordings: 14,791,691
Tracks: 18,246,236
Labels: 92,056
Works: 587,446
URLs: 2,988,304
Areas: 114,616
Places: 10,013
Series: 3,122
Instruments: 732
Events: 3,347
Other Entities
Editors (valid / deleted): 1,307,347 / 1,705
Relationships: 10,285,856
CD Stubs (all time / current): 327,697/ 281,925
Tags (raw / aggregated): 1,930,807 / 49,768
Ratings (raw / aggregated): 311,415 / 253,134
Identifiers
MBIDs: 44,724,333
ISRCs (all / unique): 476,516/456,392
ISWCs (all / unique): 82,436/82,060
Disc IDs: 617,927
Barcodes: 479,015
IPIs: 17,189
ISNIs: 10,812

Artists

Artists
Artists: 950,327
of type Person: 467,496 49.2%
of type Group: 231,131 24.3%
of type Orchestra: 1,592 0.2%
of type Choir: 1,124 0.1%
of type Character: 2,615 0.3%
of type Other: 1,336 0.1%
with no type set: 245,033 25.8%
with appearances in artist credits: 692,804 72.9%
with no appearances in artist credits: 257,523 27.1%
Non-group artists: 713,865
Male: 212,123 29.7%
Female: 57,807 8.1%
Other gender: 237 0.0%
with no gender set: 446,313 62.5%

Releases, Data Quality, and Disc IDs

Releases
Releases: 1,447,510
by various artists: 135,534 9.4%
by a single artist: 1,311,976 90.6%
Release Status
Releases: 1,447,510
Official 1,305,657 90.2%
Promotion 42,118 2.9%
Bootleg 32,913 2.3%
Pseudo-Release 7,999 0.6%
No status set 58,823 4.1%
Release Packaging
Releases: 1,447,510
Jewel Case 145,269 10.0%
Fatbox 784 0.1%
Snap Case 111 0.0%
Gatefold Cover 2,598 0.2%
Discbox Slider 62 0.0%
Slim Jewel Case 8,680 0.6%
Digipak 31,615 2.2%
Cardboard/Paper Sleeve 57,560 4.0%
Other 8,184 0.6%
Keep Case 1,127 0.1%
None 89,392 6.2%
Cassette Case 2,619 0.2%
Book 821 0.1%
No packaging set 1,098,688 75.9%
Cover Art Sources
Releases: 1,447,510
CAA: 341,260 23.6%
Amazon: 343,667 23.7%
URL Relationships: 3,705 0.3%
No front cover art: 758,878 52.4%
Data Quality
Releases: 1,447,510
High Data Quality: 2,300 0.2%
Default Data Quality: 1,444,014 99.8%
Normal Data Quality: 1,720 0.1%
Unknown Data Quality: 1,442,294 99.9%
Low Data Quality: 1,196 0.1%
Disc IDs
Disc IDs: 617,927
Releases: 1,447,510
Releases with no disc IDs: 949,787 65.6%
Releases with at least one disc ID: 497,723 34.4%
with 1 disc ID: 385,891 77.5%
with 2 disc IDs: 67,447 13.6%
with 3 disc IDs: 18,774 3.8%
with 4 disc IDs: 9,383 1.9%
with 5 disc IDs: 4,788 1.0%
with 6 disc IDs: 3,149 0.6%
with 7 disc IDs: 1,889 0.4%
with 8 disc IDs: 1,475 0.3%
with 9 disc IDs: 944 0.2%
with 10 or more disc IDs: 3,983 0.8%
Mediums: 1,617,628
Mediums with no disc IDs: 1,044,508 64.6%
Mediums with at least one disc ID: 573,120 35.4%
with 1 disc ID: 493,756 86.2%
with 2 disc IDs: 47,305 8.3%
with 3 disc IDs: 13,855 2.4%
with 4 disc IDs: 6,249 1.1%
with 5 disc IDs: 3,423 0.6%
with 6 disc IDs: 2,300 0.4%
with 7 disc IDs: 1,582 0.3%
with 8 disc IDs: 1,128 0.2%
with 9 disc IDs: 732 0.1%
with 10 or more disc IDs: 2,791 0.5%

Release Groups

Primary Types
Release Groups: 1,179,275
Album 818,109 69.4%
Other 29,061 2.5%
Broadcast 1,379 0.1%
Single 172,105 14.6%
EP 105,384 8.9%
Secondary Types
Release Groups: 1,179,275
Compilation 193,968 16.4%
Demo 2,338 0.2%
Soundtrack 25,828 2.2%
Spokenword 6,631 0.6%
Interview 513 0.0%
Audiobook 5,633 0.5%
Live 55,337 4.7%
Remix 10,864 0.9%
DJ-mix 4,382 0.4%
Mixtape/Street 2,825 0.2%

Recordings

Recordings
Recordings: 14,791,691
Videos: 40,602 0.3%

Works

Types
Works: 587,446
Aria 1,670 0.3%
Audio drama 49 0.0%
Ballet 302 0.1%
Beijing opera 259 0.0%
Cantata 709 0.1%
Concerto 2,787 0.5%
Incidental music 68 0.0%
Madrigal 158 0.0%
Mass 427 0.1%
Motet 234 0.0%
Musical 131 0.0%
Opera 923 0.2%
Operetta 149 0.0%
Oratorio 165 0.0%
Overture 722 0.1%
Partita 48 0.0%
Play 51 0.0%
Poem 986 0.2%
Prose 981 0.2%
Quartet 741 0.1%
Sonata 2,853 0.5%
Song 252,187 42.9%
Song-cycle 659 0.1%
Soundtrack 5,140 0.9%
Suite 1,332 0.2%
Symphonic poem 323 0.1%
Symphony 1,611 0.3%
Zarzuela 109 0.0%
Étude 375 0.1%
None 311,297 53.0%
Attributes
Works: 587,446
APRA ID 826 0.1%
ASCAP ID 1,728 0.3%
BMI ID 1,106 0.2%
GEMA ID 2,738 0.5%
Identifiers 0 0.0%
JASRAC ID 16,592 2.8%
KOMCA ID 38 0.0%
Key 3,462 0.6%
MÜST ID 38 0.0%
Rāga (Carnatic) 93 0.0%
SESAC ID 72 0.0%
SOCAN ID 111 0.0%
Tāla (Carnatic) 79 0.0%
None 561,328 95.6%

Areas

Types
Areas: 114,616
City 73,126 63.8%
Country 255 0.2%
County 3,339 2.9%
District 470 0.4%
Island 71 0.1%
Municipality 32,154 28.1%
Subdivision 5,195 4.5%
None 6 0.0%

Places

Types
Places: 10,013
Indoor arena 207 2.1%
Other 840 8.4%
Religious building 290 2.9%
Stadium 145 1.4%
Studio 4,612 46.1%
Venue 2,931 29.3%
None 988 9.9%

Series

Types
Series: 3,122
Catalogue 261 8.4%
Event 67 2.1%
Festival 61 2.0%
Recording 28 0.9%
Release 312 10.0%
Release group 2,245 71.9%
Run 1 0.0%
Tour 112 3.6%
Work 35 1.1%

Instruments

Types
Instruments: 732
Electronic instrument 31 4.2%
Other instrument 20 2.7%
Percussion instrument 195 26.6%
String instrument 269 36.7%
Wind instrument 217 29.6%
None 0 0.0%

Events

Types
Events: 3,347
Concert 2,322 69.4%
Convention/Expo 205 6.1%
Festival 638 19.1%
Launch event 39 1.2%
Masterclass/Clinic 1 0.0%
None 142 4.2%

Editors, Edits, and Votes

Editors
Editors (valid): 1,307,347
active ever: 247,265 18.9%
who edited and/or voted in the last 7 days: 1,019 0.4%
who edited in the last 7 days: 989 97.1%
who voted in the last 7 days: 124 12.2%
who edit: 237,737 96.1%
who vote: 15,020 6.1%
who leave edit notes: 80,474 32.5%
who use tags: 14,971 6.1%
who use ratings: 16,967 6.9%
who use subscriptions: 29,597 12.0%
who use collections: 8,790 3.6%
who have registered applications: 260 0.1%
validated email only: 451,873 34.6%
inactive: 608,209 46.5%
Editors (deleted): 1,705
Edits
Edits: 29,440,804
Open: 43,968 0.1%
Applied: 28,807,640 97.8%
Voted down: 183,625 0.6%
Failed (dependency): 43,682 0.1%
Failed (prerequisite): 36,641 0.1%
Failed (internal error): 4,669 0.0%
Cancelled: 319,992 1.1%
Edits: 29,440,804
Last 7 days: 91,589 0.3%
Yesterday: 16,082 17.6%
Votes
Votes: 12,431,032
Approve: 101,356 0.8%
Yes: 8,044,779 64.7%
No: 503,621 4.1%
Abstain: 3,781,276 30.4%
Votes: 12,431,032
Last 7 days: 22,082 0.2%
Yesterday: 5,486 24.8%