If you are eager to know about rarest pokemon in Nintendo Pokemon Go game, then you have to take a look at these charts.
That being said, Mewtwo & Ditto are very very rare pokmons and there’re less chances that you’ll find them nearby your location. List doesn’t end here! Onix, Tangella, Lapras, Charizard, Tauros also comes under this list.
Uncommon Pokemons : Starme, Polywhirl, Hypno, Seaking, Dratini & several others are little bit difficult to find in this game.
Have a look at detailed Pokemon Go Rarity Chart
# Unofficial Chart 1
# Chart 2