In what Ways can the UK be described as having a Participation Crisis? (EX)

-67% in Turnout in 2019 - Down by 1.5% from 2017. Also is very below to the Levels of the 1970s [79%] [Parties less Distinct?] -Only 1.7% are a Member of a Political Party -Number of Private-Sector Employees in TU is 13% -Taking 3 Mins to sign a Petition accounts to Huge Participation -Many Members just pay Fees and do Naught