How are majoritarian systems different to PR?

M- elected in single member constituencies.

M-outcome is not proportional, bigger parties win more seats. Small parties=underrepresented. 

M- tend to produce single party govts. PR- tend to produce coalition govts. No majority of seats

PR- multi-member cons.

PR- proportional. Close fit of share of vote-seats.

FPTP- plurality system in GENERAL ELECTION.

Supplementary vote- MAJORITARIAN system used for mayoral elections.

Additional member system (AMS)- a Mixed system used for MSP, Welsh and London Assembly.

Regional List- proportional used for MEPs.

STV- proportional used for Northern Ireland Assembly.