Database Statistics

Last updated: 2014-12-21

Basic metadata

Core Entities
Artists: 906,217
Release Groups: 1,135,108
Releases: 1,388,265
Mediums: 1,549,101
Recordings: 14,328,836
Tracks: 17,530,970
Labels: 87,456
Works: 541,733
URLs: 2,732,990
Areas: 104,223
Places: 7,948
Series: 2,563
Instruments: 681
Events: 1,716
Other Entities
Editors (valid / deleted): 1,271,154 / 1,578
Relationships: 9,281,242
CD Stubs (all time / current): 324,586/ 280,644
Tags (raw / aggregated): 1,887,805 / 47,245
Ratings (raw / aggregated): 291,662 / 239,992
Identifiers
MBIDs: 42,986,392
ISRCs (all / unique): 442,785/424,185
ISWCs (all / unique): 74,994/74,639
Disc IDs: 601,342
Barcodes: 452,739
IPIs: 15,351
ISNIs: 9,345

Artists

Artists
Artists: 906,217
of type Person: 440,607 48.6%
of type Group: 221,292 24.4%
of type Orchestra: 1,152 0.1%
of type Choir: 753 0.1%
of type Character: 2,240 0.2%
of type Other: 1,305 0.1%
with no type set: 238,868 26.4%
with appearances in artist credits: 665,636 73.5%
with no appearances in artist credits: 240,581 26.5%
Non-group artists: 680,780
Male: 189,943 27.9%
Female: 51,884 7.6%
Other gender: 210 0.0%
with no gender set: 440,983 64.8%

Releases, Data Quality, and Disc IDs

Releases
Releases: 1,388,265
by various artists: 132,844 9.6%
by a single artist: 1,255,421 90.4%
Release Status
Releases: 1,388,265
Official 1,250,446 90.1%
Promotion 40,569 2.9%
Bootleg 32,351 2.3%
Pseudo-Release 8,015 0.6%
No status set 56,885 4.1%
Release Packaging
Releases: 1,388,265
Jewel Case 130,255 9.4%
Fatbox 536 0.0%
Snap Case 74 0.0%
Gatefold Cover 1,809 0.1%
Discbox Slider 43 0.0%
Slim Jewel Case 7,776 0.6%
Digipak 29,028 2.1%
Cardboard/Paper Sleeve 52,405 3.8%
Other 7,682 0.6%
Keep Case 1,030 0.1%
None 75,936 5.5%
Cassette Case 1,993 0.1%
Book 561 0.0%
No packaging set 1,079,138 77.7%
Cover Art Sources
Releases: 1,388,265
CAA: 292,661 21.1%
Amazon: 345,521 24.9%
URL Relationships: 3,809 0.3%
No front cover art: 746,274 53.8%
Data Quality
Releases: 1,388,265
High Data Quality: 2,291 0.2%
Default Data Quality: 1,384,872 99.8%
Normal Data Quality: 1,710 0.1%
Unknown Data Quality: 1,383,162 99.9%
Low Data Quality: 1,102 0.1%
Disc IDs
Disc IDs: 601,342
Releases: 1,388,265
Releases with no disc IDs: 904,082 65.1%
Releases with at least one disc ID: 484,183 34.9%
with 1 disc ID: 374,568 77.4%
with 2 disc IDs: 65,920 13.6%
with 3 disc IDs: 18,456 3.8%
with 4 disc IDs: 9,253 1.9%
with 5 disc IDs: 4,699 1.0%
with 6 disc IDs: 3,100 0.6%
with 7 disc IDs: 1,877 0.4%
with 8 disc IDs: 1,447 0.3%
with 9 disc IDs: 947 0.2%
with 10 or more disc IDs: 3,916 0.8%
Mediums: 1,549,101
Mediums with no disc IDs: 993,301 64.1%
Mediums with at least one disc ID: 555,800 35.9%
with 1 disc ID: 477,145 85.8%
with 2 disc IDs: 46,722 8.4%
with 3 disc IDs: 13,777 2.5%
with 4 disc IDs: 6,236 1.1%
with 5 disc IDs: 3,403 0.6%
with 6 disc IDs: 2,290 0.4%
with 7 disc IDs: 1,584 0.3%
with 8 disc IDs: 1,119 0.2%
with 9 disc IDs: 738 0.1%
with 10 or more disc IDs: 2,786 0.5%

Release Groups

Primary Types
Release Groups: 1,135,108
Album 788,489 69.5%
Other 28,610 2.5%
Broadcast 1,294 0.1%
Single 164,581 14.5%
EP 99,368 8.8%
Secondary Types
Release Groups: 1,135,108
Compilation 187,747 16.5%
Demo 1,507 0.1%
Soundtrack 24,508 2.2%
Spokenword 6,462 0.6%
Interview 489 0.0%
Audiobook 5,240 0.5%
Live 53,784 4.7%
Remix 10,222 0.9%
DJ-mix 4,153 0.4%
Mixtape/Street 2,331 0.2%

Recordings

Recordings
Recordings: 14,328,836
Videos: 35,515 0.2%

Works

Types
Works: 541,733
Aria 1,550 0.3%
Audio drama 34 0.0%
Ballet 213 0.0%
Beijing opera 259 0.0%
Cantata 608 0.1%
Concerto 2,137 0.4%
Madrigal 85 0.0%
Mass 357 0.1%
Motet 151 0.0%
Opera 621 0.1%
Operetta 106 0.0%
Oratorio 126 0.0%
Overture 498 0.1%
Partita 45 0.0%
Poem 882 0.2%
Prose 486 0.1%
Quartet 615 0.1%
Sonata 2,571 0.5%
Song 225,208 41.6%
Song-cycle 523 0.1%
Soundtrack 4,464 0.8%
Suite 956 0.2%
Symphonic poem 246 0.0%
Symphony 1,352 0.2%
Zarzuela 109 0.0%
Étude 354 0.1%
None 297,177 54.9%
Attributes
Works: 541,733
APRA ID 199 0.0%
ASCAP ID 1,125 0.2%
BMI ID 777 0.1%
GEMA ID 1,463 0.3%
Identifiers 0 0.0%
JASRAC ID 14,440 2.7%
KOMCA ID 18 0.0%
Key 2,805 0.5%
MÜST ID 30 0.0%
Rāga (Carnatic) 24 0.0%
SESAC ID 61 0.0%
SOCAN ID 32 0.0%
Tāla (Carnatic) 6 0.0%
None 521,221 96.2%

Areas

Types
Areas: 104,223
City 72,400 69.5%
Country 255 0.2%
County 3,130 3.0%
District 348 0.3%
Island 54 0.1%
Municipality 22,853 21.9%
Subdivision 5,177 5.0%
None 6 0.0%

Places

Types
Places: 7,948
Indoor arena 158 2.0%
Other 890 11.2%
Stadium 123 1.5%
Studio 3,527 44.4%
Venue 2,428 30.5%
None 822 10.3%

Series

Types
Series: 2,563
Catalogue 203 7.9%
Event 37 1.4%
Festival 41 1.6%
Recording 26 1.0%
Release 222 8.7%
Release group 1,958 76.4%
Run 0 0.0%
Tour 48 1.9%
Work 28 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: 1,716
Concert 1,205 70.2%
Convention/Expo 178 10.4%
Festival 211 12.3%
Launch event 31 1.8%
Masterclass/Clinic 1 0.1%
None 90 5.2%

Editors, Edits, and Votes

Editors
Editors (valid): 1,271,154
active ever: 1,266,283 99.6%
who edited and/or voted in the last 7 days: 1,173 0.1%
who edited in the last 7 days: 1,144 97.5%
who voted in the last 7 days: 141 12.0%
who edit: 232,534 18.4%
who vote: 14,874 1.2%
who leave edit notes: 76,381 6.0%
who use tags: 14,130 1.1%
who use ratings: 16,378 1.3%
who use subscriptions: 27,210 2.1%
who use collections: 1,265,198 99.9%
who have registered applications: 193 0.0%
validated email only: 3,897 0.3%
inactive: 974 0.1%
Editors (deleted): 1,578
Edits
Edits: 27,163,819
Open: 50,301 0.2%
Applied: 26,550,530 97.7%
Voted down: 178,773 0.7%
Failed (dependency): 39,545 0.1%
Failed (prerequisite): 36,641 0.1%
Failed (internal error): 4,594 0.0%
Cancelled: 302,849 1.1%
Edits: 27,163,819
Last 7 days: 132,204 0.5%
Yesterday: 17,343 13.1%
Votes
Votes: 11,750,862
Approve: 90,861 0.8%
Yes: 7,475,149 63.6%
No: 489,865 4.2%
Abstain: 3,694,987 31.4%
Votes: 11,750,862
Last 7 days: 39,482 0.3%
Yesterday: 3,053 7.7%