In a recent report by the World Travel & Tourism Council (WTTC), travel and tourism accounted for one out of every 10 of the world's jobs in 2016, an increase of 3.3 percent from the previous year.
For 2017, growth is expected to be 2.3%, slower than the rate of 2.8% seen in 2016.
The WTTC said there are indications in flight search data that sentiment towards the USA has suffered significantly in recent weeks, as a effect of the Trump Administration's controversial attempted travel ban on visitors from six predominantly Muslim countries.
While these countries contribute only a fraction of visitors to the United States every year, a number of key figures in the global tourism industry have raised concerns that the stance of the current White House may deter visitors and hurt the countries tourist industry.
According to the WTTC's Economic Impact Report 2017, the travel and tourism industry generated $7.6 trillion worldwide, an astounding 10.3 percent of the global gross domestic product when the direct, indirect and induced impacts are taken into account.
"(The ban has) sent out a clear message to the world that the U.S.is actually closing, it's not open for business and it's not just the six countries that were targeted - it's actually showing in the advanced bookings around the whole world", Scowsill said. The new proposed ban has however faced challenges and opposition from more than one federal judge in the U.S.
"So I think this ban is misguided. It's not welcoming anymore, and that's a really hard message".
In terms of regions growing the fastest, Southeast Asia's travel and tourism industry grew by 8.3 percent, followed by South Asia (7.9 percent), North East Asia (4.6 percent), Oceania (4.4 percent), the Caribbean (3.2 percent), North America (3.1 percent), the Middle East (2.7 percent), Sub-Saharan Africa (2.4 percent), Europe (1.6 percent) and Latin America (0.2 percent).
"Once we get past this travel ban period - it'll either get put in or it'll get withdrawn we hope - then things will go back to normal and consumers will then look at the U.S.as a great place to visit again, for business and for leisure travel".