WoW Forever has not launched and changes class talents, so no one can rank its classes for leveling yet. This page keeps the three kinds of evidence apart: what players here vote for, how the classes leveled in Classic 1.12, and what Blizzard and the talent data say is different.
Community signal
Live community data
Computed live from the leveling guides players published on this site: solo, dungeon and group leveling guides per class and spec, the helpful and not-helpful votes they received, and how often each class appears in a group leveling guide's party. The score is a confidence score over the votes (the lower bound of the Wilson interval), so many positive votes beat one lucky vote. It is not an editorial ranking.
Not enough votes for a ranking yet.
77 leveling guides have 0 votes so far. WoW Forever is pre-launch, so the table below follows guide counts until players have leveled and voted. Rate the guides you use or write one for your class.
Classic 1.12 reference — may change in WoW Forever. These tiers describe solo leveling speed, safety and ease in the original Classic rules, summarized in our own words from the sources listed below. WoW Forever changes talents for every class, so a class can move up or down.
SFast and safe
Hunter
The easiest fast solo leveler in Classic: the pet takes the hits while you shoot.
Pet tank
Little downtime
Travel speed
Escapes
Why this tier
Strengths
A tanking pet from level 10 means most damage lands on the pet, not on you, so you rarely stop to eat.
Pet power follows character level rather than gear, so poor equipment slows a Hunter less than most classes.
Ranged damage while moving lets you kite enemies you could not beat face to face.
Aspect of the Cheetah at level 20 speeds up travel before your first mount.
Weaknesses
You have to keep the pet fed and healed with Mend Pet.
Enemies that get past the pet are dangerous at close range.
Only what has a source. Anything else is marked as not announced.
Legacy System
Official
Blizzard confirmed account-wide Legacy Points, a 16-point spend cap per character, 65 points available to earn at the start, and a Legacy Reward Track. Source: World of Warcraft: Forever Deep Dive Panel Recap (Blizzard Entertainment).
Talents marked new or changed compared with Classic 1.12, according to the imported talent data (nikftw, transcribed from in-game tooltip screenshots). More changes do not mean better leveling; open a class to read what changed.
Not announced yet. Blizzard has not published class balance or leveling speed changes for WoW Forever. This page will use real data once players level in the beta and at launch.
Nobody knows yet: WoW Forever changes talents and has not launched, and there are not enough player votes on leveling guides here for a community ranking. In Classic 1.12, Hunter and Mage were the top solo leveling classes, and that is the best reference until real WoW Forever data exists.
What is the fastest leveling class?
In Classic 1.12, Mage was the fastest at killing groups of enemies through Frost AoE grinding, and Hunter was the fastest solo leveler for most players because its pet tanks and keeps downtime low. Rogues kill single targets quickly but have no self-heal. Whether this holds in WoW Forever has not been confirmed.
What is the easiest class to level?
In Classic 1.12, Hunter was the most forgiving fast leveler: the pet takes the damage and pet strength follows your level rather than your gear. Paladin was the safest melee class thanks to self-heals and heavy armor, though it kills slowly. Warrior was the hardest to level alone.
Does WoW Forever change how classes level?
Partly. The imported talent data marks new and changed talents for every class, and community reports from the BlizzCon demo list Legacy perks in an Adventure tree aimed at leveling and travel. Blizzard has officially confirmed account-wide Legacy Points with a 16-point spend cap per character. No class leveling speed or balance changes have been announced.