Current ZEMs

ZEM is the acronym used for Zone Experience Modifier. This corresponds to the per zone boost to experience you receive over the flat, normal amount. Note that on this scale a value of 75 represents normal. Below 75 indicates a experience penalty, and above 75 a bonus.

Continent	Zone	ZEM	% XP	XP Rng	Note
Antonica	Accursed Temple of CazicThule	85	113%	50-60
Antonica	Arena	75	100%	N/A	No mobs
Antonica	Befallen	160	213%	5-20
Antonica	Blackburrow	100	133%	5-15
Antonica	East Commonlands	75	100%	1-15
Antonica	East Freeport	75	100%	1-50	Mostly 1-5 and 30-40 (guards)
Antonica	East Karana	75	100%	10-35
Antonica	Erud’s Crossing	75	100%	5-15
Antonica	Everfrost Peaks	75	100%	1-50	Mostly 1-10 and 40-50 (guards/giants)
Antonica	The Feerrott	75	100%	1-10
Antonica	Gorge of King Xorbb	75	100%	15-25
Antonica	Grobb	100	133%	35-45	Guards
Antonica	Halas	100	133%	40-50	Not many xp mobs
Antonica	High Keep	150	200%	20-40	20s goblins and 30s guards
Antonica	Highpass Hold	80	107%	10-20
Antonica	Innothule Swamp	75	100%	1-10
Antonica	Jaggedpine Forest	75	100%	35-60
Antonica	Kithicor Forest	75	100%	30-40	Undead mobs
Antonica	Lake Rathetear	75	100%	15-25
Antonica	Lavastorm Mountains	75	100%	10-20
Antonica	Lower Guk	80	107%	35-50
Antonica	Misty Thicket	75	100%	1-40	Mostly 1-10 and 30-40 (guards)
Antonica	Nagafen’s Lair	80	107%	45-55
Antonica	Najena	130	173%	15-30
Antonica	Nektulos Forest	75	100%	1-20	Mostly 1-10 with some 15-20 (guards)
Antonica	Neriak Commons	100	133%	1-50	Not many xp mobs
Antonica	Neriak Foreign Quarter	100	133%	35-55	Guards and arena troll/ogre mobs
Antonica	Neriak Third Gate	100	133%	35-40	Not many xp mobs
Antonica	North Freeport	100	133%	30-40	Paladin guards
Antonica	North Karana	75	100%	20-35
Antonica	North Qeynos	75	100%	1-20	Mostly 1-10 with some 10-20 (guards)
Antonica	North Ro	75	100%	1-20
Antonica	Oasis of Marr	75	100%	10-45	Mostly 15-20 and 30-45 (spectres)
Antonica	Oggok	75	100%	35-45	Guards
Antonica	Permafrost	90	120%	15-50
Antonica	Qeynos Hills	75	100%	1-10
Antonica	Qeynos Catacombs	160	213%	1-35	Mostly 1-15 with a few 30-35 spectres
Antonica	Rathe Mountains	75	100%	15-45
Antonica	Rivervale	100	133%	30-40	Guards
Antonica	Runny Eye	100	133%	15-30
Antonica	Solusek’s Eye	130	173%	25-35
Antonica	South Karana	75	100%	15-30
Antonica	South Ro	75	100%	5-20
Antonica	Splitpaw Lair	90	120%	30-40
Antonica	Surefall Glade	100	133%	1-5	Not many xp mobs
Antonica	Upper Guk	150	200%	5-30
Antonica	West Commonlands	75	100%	5-35	Mostly 5-15 and 30-35 (guards)
Antonica	West Freeport	75	100%	1-45	Mostly 1-5 and 35-45 (guards)
Antonica	West Karana	75	100%	1-30
Faydwer	Ak'Anon	100	133%	30-40	Guards
Faydwer	Butcherblock Mountains	75	100%	1-45	Mostly 1-15 and 35-45 (guards)
Faydwer	Castle Mistmoore	90	120%	20-40
Faydwer	Crushbone	160	213%	10-20
Faydwer	Dagnor's Cauldron	75	100%	10-20
Faydwer	Felwithe	100	133%	40-50	Guards
Faydwer	Greater Faydark	75	100%	1-10
Faydwer	Kedge Keep	100	133%	35-50
Faydwer	Lesser Faydark	75	100%	10-20
Faydwer	North Felwithe	75	100%	40-50	Guards
Faydwer	North Kaladim	75	100%	40-50	Guards
Faydwer	South Felwithe	75	100%	40-50	Guards
Faydwer	South Kaladim	75	100%	40-50	Guards
Faydwer	Ocean of Tears	75	100%	10-45
Faydwer	Steamfont Mountains	75	100%	1-10
Faydwer	Unrest	130	173%	10-35
Odus	Erudin	100	133%	30-35	Guards
Odus	Erudin Palace	100	133%	30-35	Guards
Odus	Erud's Crossing	75	100%	5-15
Odus	Kerra Isle	90	120%	10-15
Odus	Paineel	75	100%	20-30	Guards
Odus	Toxxulia Forest	75	100%	1-10
Odus	The Hole	100	133%	45-60
Odus	The Warrens	150	200%	5-20
Odus	Stonebrunt Mountains	75	100%	15-40
Old World Planes	Plane of Fear	75	100%	46-60	Not really an xp zone
Old World Planes	Plane of Sky	75	100%	46-60	Not really an xp zone
Old World Planes	Plane of Hate	75	100%	46-60	Not really an xp zone
Old World Planes	Plane of Growth	80	107%	46-60	Not really an xp zone
Old World Planes	Plane of Mischief	100	133%	46-60
Kunark	Burning Wood	75	100%	40-50
Kunark	Cabilis	100	133%	50-60	Guards (harm touch)
Kunark	Chardok	85	113%	50-60
Kunark	City of Mist	85	113%	40-50
Kunark	Dalnir	95	127%	25-35
Kunark	Dreadlands	75	100%	35-50
Kunark	Emerald Jungle	75	100%	35-45
Kunark	The Field of Bone	75	100%	1-15
Kunark	Firiona Vie	75	100%	25-35
Kunark	Frontier Mountains	75	100%	25-35
Kunark	Howling Stones/Charasis	85	113%	50-60
Kunark	Kaesora	110	147%	30-40
Kunark	Karnor’s Castle	85	113%	45-50
Kunark	Kurn's Tower	150	200%	10-20
Kunark	Lake of Ill Omen	60	80%	1-30
Kunark	Mines of Nurga	95	127%	35-45
Kunark	Old Sebilis	85	113%	50-60
Kunark	Overthere	75	100%	30-40
Kunark	Skyfire Mountains	80	107%	50-60
Kunark	Swamp of No Hope	75	100%	1-20
Kunark	Timorous Deep	75	100%	20-50	Mostly 20-30 and 45-50
Kunark	Temple of Droga	95	127%	35-45
Kunark	Trakanon's Teeth	75	100%	30-55
Kunark	Veeshan’s Peak	85	113%	60	Not really an xp zone
Kunark	Warsliks Woods	75	100%	15-30
Velious	Cobalt Scar	75	100%	40-55
Velious	Crystal Caverns	85	113%	25-45
Velious	Dragon Necropolis	85	113%	50-60	Watch out for traps
Velious	Eastern Wastes	75	100%	30-45
Velious	The Great Divide	75	100%	30-50
Velious	Iceclad Ocean	75	100%	30-40
Velious	Icewell Keep	85	113%	45-50
Velious	Kael Drakkel	85	113%	45-60
Velious	Siren's Grotto	85	113%	55-60
Velious	Skyshrine	85	113%	40-60
Velious	Sleeper’s Tomb	90	120%	55-60	Not really an xp zone
Velious	Temple of Veeshan	85	113%	60	Not really an xp zone
Velious	Thurgadin	85	113%	30-45	Guards
Velious	Tower of Frozen Shadow	85	113%	30-55
Velious	Velketor’s Labyrinth	85	113%	50-60
Velious	Wakening Land	75	100%	40-55
Velious	Western Wastes	80	107%	50-60
Luclin	Acrylia Caverns	90	120%	40-60
Luclin	Akheva Ruins	85	113%	45-60
Luclin	The Bazaar	75	100%	N/A
Luclin	Katta Castellum	85	113%	25-60
Luclin	The Nexus	75	100%	N/A
Luclin	Sanctus Seru	85	113%	35-65
Luclin	Shadow Haven	100	133%	N/A
Luclin	Shar Vahl	75	100%	1-5
Luclin	Dawnshroud Peaks	75	100%	25-45
Luclin	The Deep	85	113%	50-60
Luclin	Echo Caverns	80	107%	20-40
Luclin	Fungus Grove	75	100%	45-60
Luclin	The Grey	65	87%	40-60
Luclin	Grieg's End	90	120%	45-60
Luclin	Grimling Forest	75	100%	20-40
Luclin	Hollowshade Moor	75	100%	10-30
Luclin	Maiden's Eye	75	100%	45-60
Luclin	Marus Seru	75	100%	20-40
Luclin	Mons Letalis	75	100%	30-50
Luclin	Netherbian Lair	80	107%	20-30
Luclin	Paludal Caverns	160	213%	5-25
Luclin	Scarlet Desert	75	100%	30-45
Luclin	Shadeweaver's Thicket	75	100%	1-30
Luclin	Ssraeshza Temple	100	133%	55-60
Luclin	Tenebrous Mountains	75	100%	30-50
Luclin	Twilight Sea	75	100%	20-40
Luclin	Umbral Plains	90	120%	55-60
Luclin	Vex Thal	85	113%	55-60
Planes of Power	Bastion of Thunder	119	158%	55-65
Planes of Power	Crypt of Decay (Ruins of Lxanvom)	145	193%	60-65
Planes of Power	Halls of Honor	130	173%	60-65
Planes of Power	Halls of Honor B (Temple of Marr)	130	173%	60-65
Planes of Power	Plane of Air (Eryslai the Kingdom of Wind)	145	193%	60-65
Planes of Power	Plane of Disease	145	193%	46-60
Planes of Power	Plane of Earth (Vegarlson the Earthen Badlands)	145	193%	60-65
Planes of Power	Plane of Earth B (Ragrax, Stronghold of the Twelve)	119	158%	60-65
Planes of Power	Plane of Fire (Doomfire, the Burning Lands)	150	200%	60-65
Planes of Power	Plane of Innovation	119	158%	46-60
Planes of Power	Plane of Justice	145	193%	46-65
Planes of Power	Plane of Knowledge	75	100%	N/A
Planes of Power	Plane of Nightmare	145	193%	46-65
Planes of Power	Plane of Nightmare B (Crypt of Terris Thule)	130	173%	55-65
Planes of Power	Plane of Storms	170	226%	55-65
Planes of Power	Plane of Tactics (Drunder, The Fortress of Zek)	145	193%	60-65
Planes of Power	Plane of Torment	145	193%	55-65
Planes of Power	Plane of Tranquility	75	100%	N/A
Planes of Power	Plane of Valor	145	193%	55-65
Planes of Power	Plane of Water (Reef of Coirnav)	160	213%	60-65
Planes of Power	Tower of Solusek Ro	130	173%	60-65

The above list is likely more accurate than the link below at this point since its been verified against packet captures from AK by TAKP devs.

External Source For All Related ZEMs/Zones: https://docs.google.com/spreadsheets/d/1NjqbDx2JL1txgJ1IgbLg1-ZgfCjYmpNjiZqFpYYTIYU/edit?pli=1#gid=1671084708