"The populations of many advanced and emerging economies are aging.
The majority of the world’s population lives in nations where fertility rates are below replacement rates—in short,
these countries’ populations are gradually aging. The resulting decline in labour-force participation rate will
limit the potential for economic growth, and a rising population of seniors will strain public finances."
(The Path to Prosperity: Resetting Canada's Growth Trajectory - Advisory Council on Economic Growth - December 1, 2017)