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This is not a projection that the average person will soon live to 120.","evidence_status":"modelled","href":"https://greyscienx.com/api/v1/research/the-hundred-year-life"},{"id":"GSX:POP-007:A02","type":"assumption","label":"All four lives begin with the same R30,000 monthly salary when work starts. Earnings grow by 1.2 percent a year above inflation. Pension contributions are 15 percent of pay and earn 4 percent a year above inflation. Values are constant 2026 rand.","evidence_status":"modelled","href":"https://greyscienx.com/api/v1/research/the-hundred-year-life"},{"id":"GSX:POP-007:A03","type":"assumption","label":"The conventional life has three years of university, 42 years of full work, and retirement at 65. 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