Database Statistics

Last updated: 2013-05-20

Basic metadata

Core Entities
Artists: 755,870
Release Groups: 954,202
Releases: 1,154,616
Mediums: 1,280,657
Recordings: 12,369,400
Labels: 70,482
Works: 387,522
URLs: 1,646,991
Other Entities
Editors: 711,528
Relationships: 5,826,191
CD Stubs (all time / current): 311,824/ 275,007
Tags (raw / aggregated): 1,633,957 / 34,944
Ratings (raw / aggregated): 245,406 / 203,962
Identifiers
PUIDs (all / unique): 5,974,470/5,434,749
ISRCs (all / unique): 324,740/311,693
ISWCs (all / unique): 44,669/44,441
Disc IDs: 538,714
Barcodes: 336,972
IPIs: 8,093
ISNIs: 166

Artists

Artists
Artists: 755,870
of type Person: 355,862 47.1%
of type Group: 186,424 24.7%
of type Other: 1,146 0.2%
with no type set: 212,438 28.1%
with appearances in artist credits: 564,843 74.7%
with no appearances in artist credits: 191,027 25.3%
Non-group artists: 569,446
Male: 113,576 19.9%
Female: 31,534 5.5%
Other gender: 71 0.0%
with no gender set: 424,265 74.5%

Releases, Data Quality, and Disc IDs

Releases
Releases: 1,154,616
by various artists: 121,122 10.5%
by a single artist: 1,033,494 89.5%
Release Status
Releases: 1,154,616
Official 1,032,550 89.4%
Promotion 35,070 3.0%
Bootleg 29,512 2.6%
Pseudo-Release 7,365 0.6%
No status set 50,119 4.3%
Release Packaging
Releases: 1,154,616
Jewel Case 74,454 6.4%
Slim Jewel Case 4,431 0.4%
Digipak 17,776 1.5%
Cardboard/Paper Sleeve 29,035 2.5%
Other 5,306 0.5%
Keep Case 518 0.0%
None 33,531 2.9%
No packaging set 989,565 85.7%
Cover Art Sources
Releases: 1,154,616
CAA: 115,520 10.0%
Amazon: 348,745 30.2%
URL Relationships: 10,204 0.9%
No front cover art: 680,147 58.9%
Data Quality
Releases: 1,154,616
High Data Quality: 2,225 0.2%
Default Data Quality: 1,151,530 99.7%
Normal Data Quality: 1,695 0.1%
Unknown Data Quality: 1,149,835 99.9%
Low Data Quality: 861 0.1%
Disc IDs
Disc IDs: 538,714
Releases: 1,154,616
Releases with no disc IDs: 720,734 62.4%
Releases with at least one disc ID: 433,882 37.6%
with 1 disc ID: 332,645 76.7%
with 2 disc IDs: 60,003 13.8%
with 3 disc IDs: 17,278 4.0%
with 4 disc IDs: 8,716 2.0%
with 5 disc IDs: 4,476 1.0%
with 6 disc IDs: 2,935 0.7%
with 7 disc IDs: 1,840 0.4%
with 8 disc IDs: 1,363 0.3%
with 9 disc IDs: 912 0.2%
with 10 or more disc IDs: 3,715 0.9%
Mediums: 1,280,657
Mediums with no disc IDs: 787,644 61.5%
Mediums with at least one disc ID: 493,013 38.5%
with 1 disc ID: 417,103 84.6%
with 2 disc IDs: 44,474 9.0%
with 3 disc IDs: 13,466 2.7%
with 4 disc IDs: 6,106 1.2%
with 5 disc IDs: 3,387 0.7%
with 6 disc IDs: 2,261 0.5%
with 7 disc IDs: 1,590 0.3%
with 8 disc IDs: 1,085 0.2%
with 9 disc IDs: 730 0.1%
with 10 or more disc IDs: 2,812 0.6%

Release Groups

Primary Types
Release Groups: 954,202
Album 668,849 70.1%
Other 26,655 2.8%
Broadcast 825 0.1%
Single 127,736 13.4%
EP 78,849 8.3%
Secondary Types
Release Groups: 954,202
Compilation 165,755 17.4%
Soundtrack 20,247 2.1%
Spokenword 5,781 0.6%
Interview 444 0.0%
Audiobook 4,013 0.4%
Live 47,689 5.0%
Remix 8,489 0.9%
DJ-mix 2,462 0.3%
Mixtape/Street 1,185 0.1%

Recordings and PUIDs

Recordings
Recordings: 12,369,400
Recordings with no PUIDs: 7,959,425 64.3%
Recordings with at least one PUID: 4,409,975 35.7%
with 1 PUID: 3,585,736 81.3%
with 2 PUIDs: 546,874 12.4%
with 3 PUIDs: 143,484 3.3%
with 4 PUIDs: 55,391 1.3%
with 5 PUIDs: 26,879 0.6%
with 6 PUIDs: 14,995 0.3%
with 7 PUIDs: 9,600 0.2%
with 8 PUIDs: 6,186 0.1%
with 9 PUIDs: 4,382 0.1%
with 10 or more PUIDs: 16,448 0.4%
PUIDs
PUIDs (on recordings): 5,974,470
PUIDs (distinct IDs): 5,434,749
which identify 1 recording: 5,020,529 92.4%
which identify 2 recordings: 334,146 6.1%
which identify 3 recordings: 54,788 1.0%
which identify 4 recordings: 14,978 0.3%
which identify 5 recordings: 5,518 0.1%
which identify 6 recordings: 2,440 0.0%
which identify 7 recordings: 1,155 0.0%
which identify 8 recordings: 551 0.0%
which identify 9 recordings: 304 0.0%
which identify 10+ recordings: 340 0.0%

Work Types

Works: 387,522
Aria 242 0.1%
Ballet 173 0.0%
Cantata 209 0.1%
Concerto 1,427 0.4%
Madrigal 56 0.0%
Mass 254 0.1%
Motet 99 0.0%
Opera 646 0.2%
Operetta 17 0.0%
Oratorio 83 0.0%
Overture 281 0.1%
Partita 29 0.0%
Poem 415 0.1%
Prose 75 0.0%
Quartet 401 0.1%
Sonata 1,311 0.3%
Song 124,558 32.1%
Song-cycle 345 0.1%
Soundtrack 1,239 0.3%
Suite 613 0.2%
Symphonic poem 172 0.0%
Symphony 1,092 0.3%
Zarzuela 102 0.0%
Étude 254 0.1%
None 253,429 65.4%

Editors, Edits, and Votes

Editors
Editors: 711,528
active last week: 1,095 0.2%
who edited last week: 1,056 96.4%
who voted last week: 161 14.7%
Edits
Edits: 18,847,201
Open: 33,671 0.2%
Applied: 18,349,575 97.4%
Voted down: 159,794 0.8%
Failed (dependency): 29,975 0.2%
Failed (prerequisite): 36,641 0.2%
Failed (internal error): 4,388 0.0%
Cancelled: 232,573 1.2%
Edits: 18,847,201
Last Week: 93,836 0.5%
Yesterday: 14,075 15.0%
Votes
Votes: 10,029,410
Approve: 45,910 0.5%
Yes: 6,248,667 62.3%
No: 430,902 4.3%
Abstain: 3,303,931 32.9%
Votes: 10,029,410
Last Week: 18,183 0.2%
Yesterday: 2,327 12.8%