The US followed by China is the world's most popular destination, followed by France and Spain.
According to the UNWTO's figures, released earlier this month, international tourism grew by 4% in 2015 generating USD 1.4 trillion.
In comparison, global trade increased by just 2.8% in 2015 according to the World Trade Organisation.
In 2015, tourism accounted for 7% of the world's total exports up from 6% in the previous year.
Tourism spending, which includes accommodation, food, entertainment, and services, has helped to offset drops in exports that have occurred as commodity prices have fallen.
Top travellers
The increase in international tourism came even as attacks at transportation hubs and on airlines raised concerns about travellers' safety.
The US and China, along with the UK were the leading sources for outbound travellers.
The number of outbound tourist from China has risen every year since 2004 with their spending increasing by 25% last year.
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