I think almost everyone is actually talking about the aging population problem rather than the declining population problem. We simply haven't seen a situation

I think almost everyone is actually talking about the aging population problem rather than the declining population problem. We simply haven't seen a situation yet where such a massive proportion of the population is old and economically not contributing, while being supported by a welfare state (and pension) and having disproportionate political power (and incentives) to not correct the course