We have a lot to envy the Danes for. Their lifestyle is repeatedly described as one of the happiest, not just in Europe but in the world, but with the basic cost of living here averaging out at kr250,863 (£30k) a year – kr376,308 (£45k) for a few more luxuries – your retirement fund will shrink quickly. Living a basic existence will see you stretch the money out to 25 years, but if you’d like some level of luxury, 17 years is the most you can expect.

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