Database Statistics

Last updated: 2013-05-26

Basic metadata

Core Entities
Artists: 757,571
Release Groups: 955,574
Releases: 1,156,482
Mediums: 1,282,945
Recordings: 12,386,982
Labels: 70,700
Works: 389,561
URLs: 1,665,976
Other Entities
Editors: 714,865
Relationships: 5,877,736
CD Stubs (all time / current): 311,955/ 275,066
Tags (raw / aggregated): 1,635,924 / 35,091
Ratings (raw / aggregated): 245,623 / 204,114
Identifiers
PUIDs (all / unique): 5,974,736/5,435,178
ISRCs (all / unique): 325,378/312,354
ISWCs (all / unique): 44,915/44,686
Disc IDs: 539,388
Barcodes: 337,967
IPIs: 8,178
ISNIs: 357

Artists

Artists
Artists: 757,571
of type Person: 357,001 47.1%
of type Group: 186,739 24.6%
of type Other: 1,153 0.2%
with no type set: 212,678 28.1%
with appearances in artist credits: 565,826 74.7%
with no appearances in artist credits: 191,745 25.3%
Non-group artists: 570,832
Male: 114,607 20.1%
Female: 31,784 5.6%
Other gender: 71 0.0%
with no gender set: 424,370 74.3%

Releases, Data Quality, and Disc IDs

Releases
Releases: 1,156,482
by various artists: 121,230 10.5%
by a single artist: 1,035,252 89.5%
Release Status
Releases: 1,156,482
Official 1,034,235 89.4%
Promotion 35,132 3.0%
Bootleg 29,591 2.6%
Pseudo-Release 7,389 0.6%
No status set 50,135 4.3%
Release Packaging
Releases: 1,156,482
Jewel Case 75,152 6.5%
Slim Jewel Case 4,476 0.4%
Digipak 17,906 1.5%
Cardboard/Paper Sleeve 29,277 2.5%
Other 5,357 0.5%
Keep Case 524 0.0%
None 33,819 2.9%
No packaging set 989,971 85.6%
Cover Art Sources
Releases: 1,156,482
CAA: 117,564 10.2%
Amazon: 348,683 30.2%
URL Relationships: 10,184 0.9%
No front cover art: 680,051 58.8%
Data Quality
Releases: 1,156,482
High Data Quality: 2,223 0.2%
Default Data Quality: 1,153,399 99.7%
Normal Data Quality: 1,696 0.1%
Unknown Data Quality: 1,151,703 99.9%
Low Data Quality: 860 0.1%
Disc IDs
Disc IDs: 539,388
Releases: 1,156,482
Releases with no disc IDs: 722,135 62.4%
Releases with at least one disc ID: 434,347 37.6%
with 1 disc ID: 333,005 76.7%
with 2 disc IDs: 60,071 13.8%
with 3 disc IDs: 17,297 4.0%
with 4 disc IDs: 8,722 2.0%
with 5 disc IDs: 4,475 1.0%
with 6 disc IDs: 2,944 0.7%
with 7 disc IDs: 1,840 0.4%
with 8 disc IDs: 1,363 0.3%
with 9 disc IDs: 914 0.2%
with 10 or more disc IDs: 3,716 0.9%
Mediums: 1,282,945
Mediums with no disc IDs: 789,299 61.5%
Mediums with at least one disc ID: 493,646 38.5%
with 1 disc ID: 417,705 84.6%
with 2 disc IDs: 44,499 9.0%
with 3 disc IDs: 13,474 2.7%
with 4 disc IDs: 6,104 1.2%
with 5 disc IDs: 3,385 0.7%
with 6 disc IDs: 2,265 0.5%
with 7 disc IDs: 1,588 0.3%
with 8 disc IDs: 1,085 0.2%
with 9 disc IDs: 731 0.1%
with 10 or more disc IDs: 2,810 0.6%

Release Groups

Primary Types
Release Groups: 955,574
Album 669,763 70.1%
Other 26,693 2.8%
Broadcast 829 0.1%
Single 127,928 13.4%
EP 79,053 8.3%
Secondary Types
Release Groups: 955,574
Compilation 165,920 17.4%
Soundtrack 20,280 2.1%
Spokenword 5,775 0.6%
Interview 444 0.0%
Audiobook 4,041 0.4%
Live 47,750 5.0%
Remix 8,516 0.9%
DJ-mix 2,488 0.3%
Mixtape/Street 1,204 0.1%

Recordings and PUIDs

Recordings
Recordings: 12,386,982
Recordings with no PUIDs: 7,976,939 64.4%
Recordings with at least one PUID: 4,410,043 35.6%
with 1 PUID: 3,585,773 81.3%
with 2 PUIDs: 546,870 12.4%
with 3 PUIDs: 143,485 3.3%
with 4 PUIDs: 55,407 1.3%
with 5 PUIDs: 26,887 0.6%
with 6 PUIDs: 14,996 0.3%
with 7 PUIDs: 9,601 0.2%
with 8 PUIDs: 6,188 0.1%
with 9 PUIDs: 4,384 0.1%
with 10 or more PUIDs: 16,452 0.4%
PUIDs
PUIDs (on recordings): 5,974,736
PUIDs (distinct IDs): 5,435,178
which identify 1 recording: 5,021,106 92.4%
which identify 2 recordings: 334,026 6.1%
which identify 3 recordings: 54,755 1.0%
which identify 4 recordings: 14,979 0.3%
which identify 5 recordings: 5,519 0.1%
which identify 6 recordings: 2,444 0.0%
which identify 7 recordings: 1,153 0.0%
which identify 8 recordings: 549 0.0%
which identify 9 recordings: 307 0.0%
which identify 10+ recordings: 340 0.0%

Work Types

Works: 389,561
Aria 243 0.1%
Ballet 174 0.0%
Cantata 211 0.1%
Concerto 1,439 0.4%
Madrigal 56 0.0%
Mass 255 0.1%
Motet 99 0.0%
Opera 649 0.2%
Operetta 17 0.0%
Oratorio 83 0.0%
Overture 283 0.1%
Partita 29 0.0%
Poem 416 0.1%
Prose 93 0.0%
Quartet 401 0.1%
Sonata 1,315 0.3%
Song 125,883 32.3%
Song-cycle 350 0.1%
Soundtrack 1,233 0.3%
Suite 623 0.2%
Symphonic poem 173 0.0%
Symphony 1,097 0.3%
Zarzuela 102 0.0%
Étude 254 0.1%
None 254,083 65.2%

Editors, Edits, and Votes

Editors
Editors: 714,865
active last week: 1,107 0.2%
who edited last week: 1,070 96.7%
who voted last week: 150 13.6%
Edits
Edits: 18,948,574
Open: 35,376 0.2%
Applied: 18,448,101 97.4%
Voted down: 160,001 0.8%
Failed (dependency): 30,099 0.2%
Failed (prerequisite): 36,641 0.2%
Failed (internal error): 4,389 0.0%
Cancelled: 233,379 1.2%
Edits: 18,948,574
Last Week: 115,050 0.6%
Yesterday: 16,413 14.3%
Votes
Votes: 10,045,222
Approve: 47,197 0.5%
Yes: 6,260,072 62.3%
No: 431,592 4.3%
Abstain: 3,306,361 32.9%
Votes: 10,045,222
Last Week: 15,709 0.2%
Yesterday: 1,525 9.7%