I'd say for my homebrew its 75-90% human.
Elves, Dwarves and Goblinoids (Goblin, Hobgoblin, Bugbear, Orc, Gnoll) are the next biggest groups, I'd say between 3%-5% each.
Lesser humanoids from there would be Animalfolk, Halflings, Lizardfolk, Dragonborn and Gnomes at 1% each or less.
Humanoids...