The elderly population, while growing rapidly over the last century, had been quite insignificant as a share of the total population, until recently. More gene

The elderly population, while growing rapidly over the last century, had been quite insignificant as a share of the total population, until recently. More generally, demographics cannot explain the slowdown in growth in my opinion. The age pyramid in 1980: https://www.populationpyramid.net/united-states-of-america/1980/ https://www.populationpyramid.net/united-states-of-america/1... Seemed better suited to growth than the one in 1960: https://www.populationpyramid.net/united-states-of-america/1960/ https://www.populationpyramid.net/united-states-of-america/1...