Passports around the world come in the shades of four primary colors, and each country has its own reason for choosing one of them.

Red This is the most common colour. Passports with red covers are usually selected by post-communist countries. Citizens of Slovenia, China, Serbia, Russia, Latvia, Romania, Poland and Georgia have red passports. Most of the European Union nations feature passport covers of burgundy or varying shades of red, Brightside.me reveals.

Blue This is the second most common colour for a passport. A blue cover symbolizes the “new world”. 15 countries in the Caribbean have blue passports. As for the South Americ