Evidence of a 3 party system/multi party system

• In 2019 some 82 MPs were elected from outside the two main parties and now enjoy representation in Parliament, compared to an average of 9 between 1950 and 1970
• The Green Party has its first MP-Caroline Lucas represents Brighton Pavilion and she has increased her majority in the last three general elections
• In the 2019 general election, the SNP won 48 seats in the House of Commons, making it comfortably the third largest party in terms of seats
• CA- The FPTP electoral system doesn't allow for a permanent multi-party system and more often than not benefits the two larger parties
• CA- The 2017 general election saw the highest vote share for the two major parties since 1970, at 82.3%. In 2019 this vote share only fell back to 75.8%
• CA-The Lib Dem revival in 2019 was muted