This will be the fate of many countries with a financial system based on growth. Unlimited growth is not possible in a limited world. Populations will shrink and the rental systems (yeah, some countries have such things) will collapse. Some countries try to delay this system collapse with immigration, but this creates other problems.
I suspect the climate change restrictions we will face are just an excuse for this population growth problem.
I'm an idiot, and these are not my ideas... but afaik the growth of a financial system is based to the value and number of products that are produced.
And theoretically it seems actually possible to have an (almost) unlimited growth in products as many products aren't physical (software, "ideas", strategies and so on).
Many of the top companies in the world selling non-physical products.
We can already see how software products taking a bigger part in the economy every day.