Stockholm is booming. Kjell Nordström, a famous Swedish economist, recently predicted the city will almost triple in population by 2045, to 4,5 million people.

In terms of both housing and population growth, Stockholm is now the fastest-growing capital in Europe, at least according to the city's chamber of commerce and key politicians. The explosive growth (est. 11% population growth 2015-2020) means surrounding areas and municipalities are becoming key in the city's outward expansion.

With this in mind, Swedish Minister of Housing and Construction, Peter Eriksson, last week presented a new government report that looked at 40 different municipalities with potential to become new "Sustainable Cities". Nine final candidates were selected, and unsurprisingly, a vast majority of them are just outside Stockholm.

Read the full story at nordic.businessinsider.com.