How Much Does It Cost to Visit Every Country in the World?

On location in Bhutan, one of my favorite countries in Asia.

I’ve mentioned a few times that going to every country in the world wasn’t as expensive as most people initially think. But how much did it really cost?

The short answer is that I’m not 100% sure of the precise figure. I didn’t tally up every expense associated with ten-and-a-half years of travel, and I didn’t save all the receipts. Much of the travel (perhaps one-third) was done in cooperation with other work and commitments. The who...