| 21Styles | ||
| 52 | 91.1 | Death |
| 51 | 91.6 | Heavy |
| 33 | 91.7 | Thrash |
| 24 | 90.0 | Progressive |
| 16 | 89.9 | Power |
| 14 | 90.8 | Doom |
| 13 | 91.6 | Speed |
| 9 | 80.2 | Black |
| 8 | 82.1 | Sludge |
| 6 | 80.3 | Symphonic |
| 4 | 91.5 | Folk |
| 4 | 89.6 | Grindcore |
| 3 | 73.8 | Industrial |
| 3 | 69.6 | Technical |
| 2 | 70.0 | Brutal |
| 1 | 85.0 | Metalcore |
| 1 | 80.0 | Stoner |
| 1 | 75.0 | Ambient |
| 1 | 70.0 | Funeral |
| 1 | 70.0 | Gothic |
| 1 | 65.0 | Deathcore |
| 20Countries | ||
| 47 | 90.7 | United States |
| 23 | 92.6 | United Kingdom |
| 15 | 87.2 | Sweden |
| 14 | 87.2 | Germany |
| 7 | 89.1 | Canada |
| 7 | 86.0 | Netherlands |
| 5 | 84.5 | Mexico |
| 5 | 81.0 | Norway |
| 4 | 91.2 | France |
| 2 | 98.0 | Finland |
| 2 | 87.0 | Australia |
| 2 | 85.0 | Italy |
| 2 | 80.0 | Japan |
| 2 | 73.0 | Denmark |
| 2 | 69.0 | Switzerland |
| 1 | 90.0 | Jordan |
| 1 | 90.0 | Ukraine |
| 1 | 85.0 | Brazil |
| 1 | 85.0 | Estonia |
| 1 | 50.0 | Austria |
| 36Years | ||
| 4 | 77.2 | 2018 |
| 5 | 83.4 | 2017 |
| 5 | 83.9 | 2016 |
| 5 | 89.0 | 2015 |
| 4 | 83.2 | 2014 |
| 15 | 86.2 | 2013 |
| 13 | 84.9 | 2012 |
| 13 | 81.5 | 2011 |
| 9 | 87.0 | 2010 |
| 6 | 88.4 | 2009 |
| 3 | 87.3 | 2008 |
| 4 | 84.2 | 2007 |
| 5 | 90.1 | 2006 |
| 2 | 89.0 | 2005 |
| 2 | 86.0 | 2004 |
| 2 | 82.0 | 2003 |
| 3 | 90.4 | 2002 |
| 2 | 81.0 | 2001 |
| 1 | 75.0 | 1999 |
| 2 | 84.0 | 1998 |
| 2 | 88.0 | 1996 |
| 2 | 58.0 | 1995 |
| 1 | 100.0 | 1993 |
| 1 | 80.0 | 1992 |
| 2 | 100.0 | 1990 |
| 7 | 92.3 | 1988 |
| 2 | 100.0 | 1987 |
| 5 | 84.6 | 1986 |
| 4 | 82.7 | 1985 |
| 3 | 93.8 | 1984 |
| 2 | 69.0 | 1983 |
| 1 | 70.0 | 1981 |
| 2 | 85.0 | 1980 |
| 2 | 86.0 | 1976 |
| 2 | 83.0 | 1974 |
| 1 | 65.0 | 1973 |
| 83Bands | ||
| 7 | 92.3 | Judas Priest |
| 7 | 88.7 | Skeletonwitch |
| 7 | 72.7 | Faithful Breath |
| 6 | 85.9 | Callenish Circle |
| 5 | 84.7 | Therion |
| 4 | 90.1 | Iron Maiden |
| 4 | 89.8 | Amon Amarth |
| 4 | 89.5 | Kreator |
| 4 | 86.4 | Castle |
| 3 | 91.2 | ADX |
| 3 | 88.1 | Kylesa |
| 3 | 82.3 | Iced Earth |
| 3 | 78.5 | 3 Inches of Blood |
| 2 | 100.0 | Voivod |
| 2 | 96.0 | Carcass |
| 2 | 95.0 | Agalloch |
| 2 | 95.0 | Deep Purple |
| 2 | 94.0 | Agent Steel |
| 2 | 87.0 | Be'lakor |
| 2 | 85.0 | Lunarsea |
| 2 | 80.0 | Rush |
| 2 | 79.0 | Charred Walls of the Damned |
| 2 | 76.0 | Cynic |
| 2 | 73.0 | Morne |
| 2 | 69.0 | Sybreed |
| 2 | 66.0 | Grim Reaper |
| 2 | 65.0 | Megadeth |
| 1 | 100.0 | Amorphis |
| 1 | 100.0 | Dark Age |
| 1 | 100.0 | Helloween |
| 1 | 100.0 | Metallica |
| 1 | 100.0 | Solefald |
| 1 | 95.0 | Barren Earth |
| 1 | 95.0 | The Dagger |
| 1 | 95.0 | Magg |
| 1 | 90.0 | Atheist |
| 1 | 90.0 | Blind Guardian |
| 1 | 90.0 | Chalice of Doom |
| 1 | 90.0 | Enforcer |
| 1 | 90.0 | Hatriot |
| 1 | 90.0 | Lonewolf |
| 1 | 90.0 | Manowar |
| 1 | 90.0 | Memoriam |
| 1 | 90.0 | Odradek Room |
| 1 | 90.0 | Satan |
| 1 | 85.0 | Acrania |
| 1 | 85.0 | As I Lay Dying |
| 1 | 85.0 | Celephaïs |
| 1 | 85.0 | Cormorant |
| 1 | 85.0 | Encyrcle |
| 1 | 85.0 | Metsatöll |
| 1 | 85.0 | Thy Light |
| 1 | 85.0 | Warbringer |
| 1 | 80.0 | Absolute Power |
| 1 | 80.0 | Anaal Nathrakh |
| 1 | 80.0 | Anthem |
| 1 | 80.0 | Darkthrone |
| 1 | 80.0 | Desecravity |
| 1 | 80.0 | Funeral Whore |
| 1 | 80.0 | Havok |
| 1 | 80.0 | Howl |
| 1 | 80.0 | Howls of Ebb |
| 1 | 80.0 | Memory Garden |
| 1 | 80.0 | R'lyeh |
| 1 | 80.0 | Vreid |
| 1 | 75.0 | Immortal |
| 1 | 75.0 | Ion Storm |
| 1 | 75.0 | Lock Up |
| 1 | 75.0 | Magnum Itiner Interius |
| 1 | 75.0 | Transmetal |
| 1 | 70.0 | Bell Witch |
| 1 | 70.0 | Cavalera Conspiracy |
| 1 | 70.0 | In Mourning |
| 1 | 70.0 | Satanic Butcher |
| 1 | 65.0 | Baroness |
| 1 | 65.0 | Black Sabbath |
| 1 | 65.0 | Dysphagic |
| 1 | 55.0 | Decrepit Birth |
| 1 | 55.0 | Guttural Slug |
| 1 | 50.0 | The Morphean |
| 1 | 45.0 | Bloodbound |
| 1 | 40.0 | Ghost |
| 1 | 35.0 | Dimmu Borgir |
| 6Formats | ||
| 120 | 93.5 | Full-length |
| 13 | 82.1 | EP |
| 4 | 81.2 | Live album |
| 4 | 75.3 | Single |
| 2 | 83.0 | Demo |
| 1 | 95.0 | Compilation |
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