The World's Most Powerful Passports.

K travel document is one of the most powerful in the world. British passport holders can enter more countries in the world than America, Canada, Australia and Germany. In fact, UK passport holders have the best access to foreign countries in the world, along with Finland and Sweden, according to this information put together by GOOD Magazine. The two Nordic countries and Great Britain can visit 173 countries using their passports, enjoying visa-free access or simply getting a visa on arrival. In comparison, US citizens and Germans can visit 172 and Canadians can only visit 170 and Australians 168. The nation with the least power in their passport is Afghanistan, with citizens only able to visit 28 countries without a visa, or being given a visa on arrival. Iraq, Pakistan and Somalia also come bottom, with access to just 31 or 32 countries. In Africa, the Nigeria passport ranks below that of other African nations like Gambia, Kenya, Lesotho, Namibia, Malawi, Swaziland, Zambia, Tanzania, Sierra leonne, Tunisia, Uganda, Ghana, Zimbabwe, Cape verde, Benin, Ivory coast, Mauritania, Senegal, Burkina faso, Guinea, Mali, Niger, Togo, Morocco, Sao tome and principe, Central African republic, Madagascar, Mozambique and Guinea - Bissau.