For those counting, that's 193 UN-recognized nations, plus two observer states and two more countries that Binsky visited for good measure (his total country count is 197). To date, only about 250 people have visited every country in the world.
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One in ten Brits (eight per cent) have stayed in the UK their entire life and never once been abroad while a quarter (22 per cent) have never travelled on an aeroplane.
Almost anyone with a powerful passport and their health can visit 100 countries if they have enough money to do so. There are 100 safe countries in the world. There are 100 countries that are easy to get to.
If you're looking for an extended trip around the world, 50k USD could last anywhere from 6 months to a year depending on your budgeting skills and travel style. On the other hand, if you want to take shorter trips within one region or country then 50k USD could easily cover multiple trips over several years.
Generally, $20,000 is the baseline cost for a trip around the world for one person for one year. This estimation falls in line with popular recommendations that budget travelers can spend an average of $50 a day on the road, and allows additional budget for flights and vaccines.