[graemep]

I did not say its the entire west, I said its not just the US, and I specifically highlighted Anglophone countries.

The American party system is not that similar to the UK's. They are both FPTP but the UK is nothing like as two party as the US. Compare this:

https://pressgallery.house.gov/member-data/party-breakdown

to this:

https://members.parliament.uk/parties/Commons