The most powerful passports in the world have been revealed as those issued by the United Kingdom and the United States - which both give holders access to 147 countries.

Collated by the Passport Index and presented by Statista, the rankings are based on how many countries bearers of each passport can visit without a visa.

(Statista)

Germany, South Korea and France were deemed to be the second most powerful, granting access to 145 countries.