In September 2011, the Planeterra Foundation released an important video on the role of tourism in developing countries.  

In the video you will learn that tourism support 10% of all economic activity on the planet. It supports 8% of all global employment,  and 1/3 of all commercial exports in the world.

Please see this video!  http://www.14dd5266c70789bdc806364df4586335-gdprlock/watch?v=c5kLmcqHA_g