Growth is a factor that determines the relative size of Pokémon compared to other Pokémon of the same species. This factor is randomly generated when the Pokémon spawns and has no effect on gameplay besides aesthetics. A Pokémon's growth is stated along with its stats.
In order from smallest to largest, the different sizes are:
- Pygmy
- Runt
- Small
- Ordinary
- Huge
- Giant
- Enormous
A Pokémon's size also grows as its level increases.