Do you mean population growth in the UK, or globally? Do you differentiate here between growth via immigration or growth via birth rates?
Globally the population needs to stabilise. In the UK it needs to increase.
In the UK there are two problems with population growth via birth rates: 1) British people don't have enough children to ensure population stability, let alone population growth 2) from a global environmental perspective it's not a great idea to incentivise British people to have more children, it's much more sustainable to achieve population growth via immigration
The argument of well we have an aging population we need young workers to look after them makes no sense. If they grow in population we then still have a growing aging population that will need looking after
Yes, it does make sense. The problem is not that we have a growing aging population in absolute numbers, the problem is that the younger generations are not growing proportionally. If we import enough immigrants every year to sustain the current aging population and no more, and if women each had 2.1 children and no more (currently we're around 1.8), then the population would become stable, and we would have enough young people to fund the older population.
We need to stop this crazy Ponzi scheme of fuelling economic growth by increasing the population, short-sighted short-termish
No, the short-term attitude is to put our heads in the sand about the huge demographics problems looming ahead for Europe (and Britain).Our population is aging, we're not having enough children to even ensure generational replacement - at this rate the population will start decreasing soon, and a really top-heavy population makes it impossible to sustain decent public services (only one of many problems linked to population aging and decrease). The UK has a little more time than other European countries, but not much more.
It's a really well-known problem for Europe and Japan, and the obvious solution is to start acting now by important immigrants - but there are cultural issues associated with this, obviously. The other solutions are to increase the retirement age (but this is unlikely to be enough, and comes with other issues), or to encourage a new, sustained increase in birth rates, but a) this is environmentally problematic on the global scale, and b) it would require huge political will and a huge programme of incentivisation for it to have any effects (government programmes haven't helped much in Japan)
The demographics are pretty clear, we're going to need large amounts of immigration in the coming years just to not start dying out as a country and as a continent. That, or we all start having a LOT more babies, like, yesterday.