There are hundreds of millions of people living in the Forgotten Realms world of Toril. The few hundred detailed here are spread across the many hundreds of nations and regions on the planet.
Old Empires NPCs: NPCs of the Old Empires live in the lands of Unther, Mulhorand, Chessenta, Threskel, Raurin, Murghom, and Semphar. These are the lands inhabited by the Mulan people and currently or previously part of the Old Empires.
The Alternate Forgotten Realms 