Making projections over the next 80 years based on short-term data seems a bit foolhardy considering the potential changes that AI, automation, climate change and a whole host of unquantified variables or unrealised events will have over the coming decades.
We don’t even know what the world will look like after COVID-19. If international migration collapses across the globe for several years that would disproportionately affect Canada relative to Australia and the UK due to a higher dependence on immigration over natural change.
In short, since the turn of the millennium, the UK has experienced higher population growth than either Australia or Canada.
As for
’city’ comparisons, the problem is due to different definitions. Melbourne is always problematic in these comparisons as there is just one defined area which covers a mammoth c.10,000 sq km. isaidso looks to have referenced the Greater Toronto and Hamilton Area (8,244 sq km) and for London, the OEC (covering 6,474 sq km).
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Originally Posted by The North One
Sea walls are not going to save these cities lol.
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The Thames Barrier is designed to last until 2070 and there have been various early conversations about a far larger replacement downstream.
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Originally Posted by MonkeyRonin
That 3 year trend is pretty important as it coincides with Brexit. One of the major sources of growth in London in recent years has been from within the EU - and that source has now been completely wiped out. The longer term economic ramifications still remain to be seen, but at this early point don't seem to bode terribly well for London either.
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EU migration to the UK was certainly a contributing factor in the population growth of London, but it certainly wasn’t the only source and EU migration hasn’t stopped because of the Brexit referendum. There are projections for a minor economic knock to London (primarily due to the diversified economy), but the new reality is that that all pales in comparison to the ramifications from COVID-19.
Overall net international migration in the year to mid-2019 was still the 11th highest year on record, higher than in the post-financial crisis years of mid-2012 and mid-2013, and just 9% off the previous 10-year average before the referendum.