More from The National:
Friday's best photos: From a dog rescued from the slaughterhouse to Bolivia's salt flats
Thursday's best photos: from the Women's World Cup to sunset in Washington
Wednesday's best photos: from Bella the dog rescued at sea to The Weeknd
Tuesday's best photos: from Diana's black sheep jumper to the empty set of Wicked
Monday's best photos: from World Aquatics in Japan to soaring temperatures in Gaza
Sunday's best photos: from Gavilan fire in California to Assam's flood in India
Countries offering golden visas
UK
Innovator Founder Visa is aimed at those who can demonstrate relevant experience in business and sufficient investment funds to set up and scale up a new business in the UK. It offers permanent residence after three years.
Germany
Investing or establishing a business in Germany offers you a residence permit, which eventually leads to citizenship. The investment must meet an economic need and you have to have lived in Germany for five years to become a citizen.
Italy
The scheme is designed for foreign investors committed to making a significant contribution to the economy. Requires a minimum investment of €250,000 which can rise to €2 million.
Switzerland
Residence Programme offers residence to applicants and their families through economic contributions. The applicant must agree to pay an annual lump sum in tax.
Canada
Start-Up Visa Programme allows foreign entrepreneurs the opportunity to create a business in Canada and apply for permanent residence.
Skewed figures
In the village of Mevagissey in southwest England the housing stock has doubled in the last century while the number of residents is half the historic high. The village's Neighbourhood Development Plan states that 26% of homes are holiday retreats. Prices are high, averaging around £300,000, £50,000 more than the Cornish average of £250,000. The local average wage is £15,458.