You might have heard of some people who have visited all 195 countries on earth. Whoa! How do they do that? Isn’t this hugely expensive? Could a person like you or me visit all countries? Possibly, yeah, but if you think money is the greatest obstacle to visiting all of the world’s countries, you’re wrong. It’s actually the passport you hold – if you can afford one, to begin with. Out of curiosity, I tried to calculate how many people cannot visit one or more of the world’s 195 countries. If one country doesn’t let you in based on your nationality,Continue reading