3. Russia
Estimated time to get citizenship: 1 month and a half
The third place on our list of easiest countries to retire to goes to Russia that has been one of the first World Powers to create citizenship by investment program in 2015. You can choose either to donate money to the charity which is specified by the Russian government or by an investment purchase. The minimum investment is $100,000 donation to National fund, $200,000 investment in a real estate or $470,000 if you choose to make a business investment. This program requires 90 days of physical presence in a country.