10. The Global Tourism Industry

Revenue: $1,700 billion

With this industry expected to rise by about 1.5% for five years (2015 -2019), the industry has surpassed all expectations and is currently one of the biggest industries by revenue in 2020. With countries in South America, Asia, and Europe experiencing growth in per capita income, individuals in these continents have found themselves taking overseas trips, in the process increasing the revenue of the industry.

The growth trend this industry has experienced in the last five years is expected to increase to about 3.4% in the years to come.

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