Database Statistics

Last updated: 2015-03-01

Basic metadata

Core Entities
Artists: 930,398
Release Groups: 1,157,879
Releases: 1,418,740
Mediums: 1,584,981
Recordings: 14,577,863
Tracks: 17,915,584
Labels: 89,905
Works: 566,474
URLs: 2,893,939
Areas: 113,596
Places: 9,104
Series: 2,902
Instruments: 704
Events: 2,742
Other Entities
Editors (valid / deleted): 1,287,449 / 1,659
Relationships: 9,865,253
CD Stubs (all time / current): 326,359/ 281,320
Tags (raw / aggregated): 1,916,330 / 48,598
Ratings (raw / aggregated): 307,037 / 249,786
Identifiers
MBIDs: 43,954,397
ISRCs (all / unique): 463,414/443,595
ISWCs (all / unique): 78,800/78,435
Disc IDs: 610,246
Barcodes: 466,370
IPIs: 16,406
ISNIs: 10,182

Artists

Artists
Artists: 930,398
of type Person: 455,777 49.0%
of type Group: 226,595 24.4%
of type Orchestra: 1,348 0.1%
of type Choir: 937 0.1%
of type Character: 2,447 0.3%
of type Other: 1,321 0.1%
with no type set: 241,973 26.0%
with appearances in artist credits: 680,639 73.2%
with no appearances in artist credits: 249,759 26.8%
Non-group artists: 699,071
Male: 202,255 28.9%
Female: 55,111 7.9%
Other gender: 218 0.0%
with no gender set: 443,934 63.5%

Releases, Data Quality, and Disc IDs

Releases
Releases: 1,418,740
by various artists: 134,983 9.5%
by a single artist: 1,283,757 90.5%
Release Status
Releases: 1,418,740
Official 1,279,224 90.2%
Promotion 41,344 2.9%
Bootleg 32,733 2.3%
Pseudo-Release 7,852 0.6%
No status set 57,587 4.1%
Release Packaging
Releases: 1,418,740
Jewel Case 138,744 9.8%
Fatbox 680 0.0%
Snap Case 92 0.0%
Gatefold Cover 2,209 0.2%
Discbox Slider 53 0.0%
Slim Jewel Case 8,300 0.6%
Digipak 30,337 2.1%
Cardboard/Paper Sleeve 54,842 3.9%
Other 7,963 0.6%
Keep Case 1,087 0.1%
None 82,585 5.8%
Cassette Case 2,265 0.2%
Book 703 0.0%
No packaging set 1,088,880 76.7%
Cover Art Sources
Releases: 1,418,740
CAA: 318,597 22.5%
Amazon: 345,430 24.3%
URL Relationships: 3,735 0.3%
No front cover art: 750,978 52.9%
Data Quality
Releases: 1,418,740
High Data Quality: 2,297 0.2%
Default Data Quality: 1,415,292 99.8%
Normal Data Quality: 1,711 0.1%
Unknown Data Quality: 1,413,581 99.9%
Low Data Quality: 1,151 0.1%
Disc IDs
Disc IDs: 610,246
Releases: 1,418,740
Releases with no disc IDs: 927,325 65.4%
Releases with at least one disc ID: 491,415 34.6%
with 1 disc ID: 380,612 77.5%
with 2 disc IDs: 66,710 13.6%
with 3 disc IDs: 18,650 3.8%
with 4 disc IDs: 9,335 1.9%
with 5 disc IDs: 4,738 1.0%
with 6 disc IDs: 3,129 0.6%
with 7 disc IDs: 1,877 0.4%
with 8 disc IDs: 1,468 0.3%
with 9 disc IDs: 949 0.2%
with 10 or more disc IDs: 3,947 0.8%
Mediums: 1,584,981
Mediums with no disc IDs: 1,019,731 64.3%
Mediums with at least one disc ID: 565,250 35.7%
with 1 disc ID: 486,238 86.0%
with 2 disc IDs: 47,012 8.3%
with 3 disc IDs: 13,825 2.4%
with 4 disc IDs: 6,247 1.1%
with 5 disc IDs: 3,410 0.6%
with 6 disc IDs: 2,291 0.4%
with 7 disc IDs: 1,581 0.3%
with 8 disc IDs: 1,124 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: 1,157,879
Album 804,248 69.5%
Other 28,946 2.5%
Broadcast 1,323 0.1%
Single 168,009 14.5%
EP 102,374 8.8%
Secondary Types
Release Groups: 1,157,879
Compilation 191,279 16.5%
Demo 1,931 0.2%
Soundtrack 25,319 2.2%
Spokenword 6,587 0.6%
Interview 501 0.0%
Audiobook 5,536 0.5%
Live 54,552 4.7%
Remix 10,683 0.9%
DJ-mix 4,283 0.4%
Mixtape/Street 2,650 0.2%

Recordings

Recordings
Recordings: 14,577,863
Videos: 38,413 0.3%

Works

Types
Works: 566,474
Aria 1,621 0.3%
Audio drama 40 0.0%
Ballet 275 0.0%
Beijing opera 259 0.0%
Cantata 653 0.1%
Concerto 2,502 0.4%
Madrigal 128 0.0%
Mass 375 0.1%
Motet 195 0.0%
Musical 27 0.0%
Opera 808 0.1%
Operetta 121 0.0%
Oratorio 148 0.0%
Overture 624 0.1%
Partita 47 0.0%
Play 24 0.0%
Poem 960 0.2%
Prose 894 0.2%
Quartet 661 0.1%
Sonata 2,705 0.5%
Song 241,058 42.6%
Song-cycle 596 0.1%
Soundtrack 4,839 0.9%
Suite 1,119 0.2%
Symphonic poem 296 0.1%
Symphony 1,488 0.3%
Zarzuela 109 0.0%
Étude 358 0.1%
None 303,544 53.6%
Attributes
Works: 566,474
APRA ID 251 0.0%
ASCAP ID 1,309 0.2%
BMI ID 913 0.2%
GEMA ID 2,225 0.4%
Identifiers 0 0.0%
JASRAC ID 15,622 2.8%
KOMCA ID 29 0.0%
Key 3,194 0.6%
MÜST ID 30 0.0%
Rāga (Carnatic) 40 0.0%
SESAC ID 62 0.0%
SOCAN ID 108 0.0%
Tāla (Carnatic) 23 0.0%
None 543,242 95.9%

Areas

Types
Areas: 113,596
City 72,762 64.1%
Country 255 0.2%
County 3,323 2.9%
District 470 0.4%
Island 70 0.1%
Municipality 31,517 27.7%
Subdivision 5,192 4.6%
None 7 0.0%

Places

Types
Places: 9,104
Indoor arena 181 2.0%
Other 854 9.4%
Religious building 175 1.9%
Stadium 130 1.4%
Studio 4,165 45.7%
Venue 2,686 29.5%
None 913 10.0%

Series

Types
Series: 2,902
Catalogue 245 8.4%
Event 61 2.1%
Festival 51 1.8%
Recording 27 0.9%
Release 261 9.0%
Release group 2,134 73.5%
Run 0 0.0%
Tour 91 3.1%
Work 32 1.1%

Instruments

Types
Instruments: 704
Electronic instrument 31 4.4%
Other instrument 20 2.8%
Percussion instrument 184 26.1%
String instrument 260 36.9%
Wind instrument 209 29.7%
None 0 0.0%

Events

Types
Events: 2,742
Concert 1,941 70.8%
Convention/Expo 204 7.4%
Festival 414 15.1%
Launch event 38 1.4%
Masterclass/Clinic 1 0.0%
None 144 5.3%

Editors, Edits, and Votes

Editors
Editors (valid): 1,287,449
active ever: 244,746 19.0%
who edited and/or voted in the last 7 days: 1,265 0.5%
who edited in the last 7 days: 1,232 97.4%
who voted in the last 7 days: 149 11.8%
who edit: 235,369 96.2%
who vote: 14,950 6.1%
who leave edit notes: 78,670 32.1%
who use tags: 14,577 6.0%
who use ratings: 16,694 6.8%
who use subscriptions: 28,479 11.6%
who use collections: 8,671 3.5%
who have registered applications: 221 0.1%
validated email only: 436,583 33.9%
inactive: 606,120 47.1%
Editors (deleted): 1,659
Edits
Edits: 28,447,024
Open: 57,075 0.2%
Applied: 27,812,579 97.8%
Voted down: 181,641 0.6%
Failed (dependency): 41,997 0.1%
Failed (prerequisite): 36,641 0.1%
Failed (internal error): 4,632 0.0%
Cancelled: 311,865 1.1%
Edits: 28,447,024
Last 7 days: 150,311 0.5%
Yesterday: 19,866 13.2%
Votes
Votes: 12,117,985
Approve: 98,144 0.8%
Yes: 7,763,737 64.1%
No: 498,281 4.1%
Abstain: 3,757,823 31.0%
Votes: 12,117,985
Last 7 days: 31,157 0.3%
Yesterday: 5,236 16.8%