Database Statistics

Last updated: 2014-09-03

Basic metadata

Core Entities
Artists: 874,917
Release Groups: 1,081,408
Releases: 1,323,669
Mediums: 1,476,439
Recordings: 13,767,395
Tracks: 16,801,534
Labels: 84,329
Works: 517,008
URLs: 2,569,384
Areas: 97,522
Places: 6,194
Series: 2,060
Instruments: 676
Other Entities
Editors (valid / deleted): 1,251,405 / 1,459
Relationships: 8,699,197
CD Stubs (all time / current): 322,149/ 279,644
Tags (raw / aggregated): 1,842,119 / 45,227
Ratings (raw / aggregated): 280,952 / 231,587
Identifiers
MBIDs: 38,748,185
ISRCs (all / unique): 421,645/403,555
ISWCs (all / unique): 70,767/70,422
Disc IDs: 589,529
Barcodes: 413,971
IPIs: 14,202
ISNIs: 8,367

Artists

Artists
Artists: 874,917
of type Person: 423,247 48.4%
of type Group: 214,106 24.5%
of type Orchestra: 939 0.1%
of type Choir: 540 0.1%
of type Character: 1,740 0.2%
of type Other: 1,292 0.1%
with no type set: 233,053 26.6%
with appearances in artist credits: 644,175 73.6%
with no appearances in artist credits: 230,742 26.4%
Non-group artists: 657,592
Male: 175,003 26.6%
Female: 47,531 7.2%
Other gender: 185 0.0%
with no gender set: 436,613 66.4%

Releases, Data Quality, and Disc IDs

Releases
Releases: 1,323,669
by various artists: 130,589 9.9%
by a single artist: 1,193,080 90.1%
Release Status
Releases: 1,323,669
Official 1,188,146 89.8%
Promotion 39,739 3.0%
Bootleg 31,933 2.4%
Pseudo-Release 8,152 0.6%
No status set 55,699 4.2%
Release Packaging
Releases: 1,323,669
Jewel Case 121,045 9.1%
Fatbox 404 0.0%
Snap Case 52 0.0%
Gatefold Cover 1,164 0.1%
Discbox Slider 27 0.0%
Slim Jewel Case 7,290 0.6%
Digipak 27,006 2.0%
Cardboard/Paper Sleeve 49,091 3.7%
Other 7,256 0.5%
Keep Case 899 0.1%
None 66,040 5.0%
Cassette Case 1,648 0.1%
Book 409 0.0%
No packaging set 1,041,338 78.7%
Cover Art Sources
Releases: 1,323,669
CAA: 261,983 19.8%
Amazon: 344,690 26.0%
URL Relationships: 3,919 0.3%
No front cover art: 713,077 53.9%
Data Quality
Releases: 1,323,669
High Data Quality: 2,289 0.2%
Default Data Quality: 1,320,342 99.7%
Normal Data Quality: 1,703 0.1%
Unknown Data Quality: 1,318,639 99.9%
Low Data Quality: 1,038 0.1%
Disc IDs
Disc IDs: 589,529
Releases: 1,323,669
Releases with no disc IDs: 848,949 64.1%
Releases with at least one disc ID: 474,720 35.9%
with 1 disc ID: 366,745 77.3%
with 2 disc IDs: 64,758 13.6%
with 3 disc IDs: 18,239 3.8%
with 4 disc IDs: 9,146 1.9%
with 5 disc IDs: 4,658 1.0%
with 6 disc IDs: 3,062 0.6%
with 7 disc IDs: 1,861 0.4%
with 8 disc IDs: 1,436 0.3%
with 9 disc IDs: 932 0.2%
with 10 or more disc IDs: 3,883 0.8%
Mediums: 1,476,439
Mediums with no disc IDs: 932,484 63.2%
Mediums with at least one disc ID: 543,955 36.8%
with 1 disc ID: 465,776 85.6%
with 2 disc IDs: 46,369 8.5%
with 3 disc IDs: 13,717 2.5%
with 4 disc IDs: 6,195 1.1%
with 5 disc IDs: 3,404 0.6%
with 6 disc IDs: 2,279 0.4%
with 7 disc IDs: 1,578 0.3%
with 8 disc IDs: 1,119 0.2%
with 9 disc IDs: 729 0.1%
with 10 or more disc IDs: 2,789 0.5%

Release Groups

Primary Types
Release Groups: 1,081,408
Album 752,380 69.6%
Other 28,209 2.6%
Broadcast 1,208 0.1%
Single 151,933 14.0%
EP 94,895 8.8%
Secondary Types
Release Groups: 1,081,408
Compilation 183,663 17.0%
Demo 797 0.1%
Soundtrack 23,653 2.2%
Spokenword 6,411 0.6%
Interview 477 0.0%
Audiobook 5,019 0.5%
Live 52,618 4.9%
Remix 9,870 0.9%
DJ-mix 3,885 0.4%
Mixtape/Street 2,115 0.2%

Recordings

Recordings
Recordings: 13,767,395
Videos: 30,948 0.2%

Works

Types
Works: 517,008
Aria 1,000 0.2%
Audio drama 26 0.0%
Ballet 207 0.0%
Beijing opera 0 0.0%
Cantata 550 0.1%
Concerto 1,995 0.4%
Madrigal 82 0.0%
Mass 342 0.1%
Motet 134 0.0%
Opera 589 0.1%
Operetta 103 0.0%
Oratorio 119 0.0%
Overture 480 0.1%
Partita 44 0.0%
Poem 855 0.2%
Prose 437 0.1%
Quartet 584 0.1%
Sonata 2,461 0.5%
Song 208,798 40.4%
Song-cycle 494 0.1%
Soundtrack 2,988 0.6%
Suite 917 0.2%
Symphonic poem 221 0.0%
Symphony 1,299 0.3%
Zarzuela 109 0.0%
Étude 350 0.1%
None 291,824 56.4%
Attributes
Works: 517,008
APRA ID 43 0.0%
ASCAP ID 843 0.2%
BMI ID 616 0.1%
GEMA ID 687 0.1%
Identifiers 0 0.0%
JASRAC ID 11,619 2.2%
KOMCA ID 17 0.0%
Key 2,481 0.5%
MÜST ID 30 0.0%
Rāga (Carnatic) 0 0.0%
SESAC ID 61 0.0%
SOCAN ID 27 0.0%
Tāla (Carnatic) 0 0.0%
None 500,850 96.9%

Areas

Types
Areas: 97,522
City 70,166 71.9%
Country 255 0.3%
District 269 0.3%
Municipality 22,148 22.7%
Subdivision 4,678 4.8%
None 6 0.0%

Places

Types
Places: 6,194
Indoor arena 125 2.0%
Other 724 11.7%
Stadium 84 1.4%
Studio 2,815 45.4%
Venue 1,819 29.4%
None 627 10.1%

Series

Types
Series: 2,060
Catalogue 181 8.8%
Recording 15 0.7%
Release 175 8.5%
Release group 1,668 81.0%
Work 21 1.0%

Instruments

Types
Instruments: 676
Electronic instrument 31 4.6%
Other instrument 19 2.8%
Percussion instrument 178 26.3%
String instrument 247 36.5%
Wind instrument 201 29.7%
None 0 0.0%

Editors, Edits, and Votes

Editors
Editors (valid): 1,251,405
active ever: 253,765 20.3%
who edited and/or voted in the last 7 days: 1,026 0.4%
who edited in the last 7 days: 997 97.2%
who voted in the last 7 days: 142 13.8%
who edit: 228,967 90.2%
who vote: 14,759 5.8%
who leave edit notes: 73,507 29.0%
who use tags: 13,528 5.3%
who use ratings: 15,857 6.2%
who use subscriptions: 25,519 10.1%
who use collections: 40,342 15.9%
who have registered applications: 161 0.1%
validated email only: 401,551 32.1%
inactive: 596,089 47.6%
Editors (deleted): 1,459
Edits
Edits: 25,693,910
Open: 46,212 0.2%
Applied: 25,105,102 97.7%
Voted down: 174,459 0.7%
Failed (dependency): 37,481 0.1%
Failed (prerequisite): 36,641 0.1%
Failed (internal error): 4,545 0.0%
Cancelled: 288,877 1.1%
Edits: 25,693,910
Last 7 days: 85,559 0.3%
Yesterday: 11,259 13.2%
Votes
Votes: 11,364,513
Approve: 83,111 0.7%
Yes: 7,163,759 63.0%
No: 478,037 4.2%
Abstain: 3,639,606 32.0%
Votes: 11,364,513
Last 7 days: 15,477 0.1%
Yesterday: 2,056 13.3%