{"id":"GSX:POP-001:A04","local_id":"A04","name":"Payroll comparison line","statement":"A required pension-only payroll rate at or below 20 percent is the manuscript's comparison ceiling. It is not a legal or universal maximum.","value":"20","unit":"percent of covered payroll","type":"model assumption","provenance":"Manuscript policy comparison line","evidence_strength":"illustrative threshold","sensitivity":"moderate","alternatives":["A country that accepts a higher or lower payroll share"],"href":"https://greyscienx.com/research/population-futures/when-retirement-becomes-impossible/assumptions/A04"}