What type has the most and least weaknesses?

Question

It is a question that has been intriguing me.

Comments

If someone in the future is reading this, a better answer can be found here: https://pokemondb.net/pokebase/250592/what-type-combination-has-the-least-weakness-and-which-most

Answer 1

Most: Ice/Grass, Psychic/Grass, and Psychic/Rock at 7 weaknesses
Least: Ghost/Dark at 0 weaknesses

http://pokemondb.net/type/dual

Comments

now that fairy is a new type ghost/dark only has one weakness