If you assume lifespan keeps increasing but productivity stays flat then sure. I...

ikeboy on Nov 3, 2019 | parent | context | favorite | on: Life Is a Ponzi Scheme (2009)

If you assume lifespan keeps increasing but productivity stays flat then sure. If productivity increases at least as fast as the ratio of workers to retirees, then a smaller number of workers can easily cover a larger number of retirees.