According to business information analysts at IBISWorld, the lucrative tourism industry, currently worth an estimated $118 billion in revenue and employing more than 543,000 across the nation, is set to grow strongly over the next five years. Tourism is becoming one of the world's nation's fundamental export industries, with industry revenue forecast to reach $129.7 billion by 2020-21 as the industry anticipates an increase in inbound tourism from Asia. China is now one of the industry's most valuable markets, outspending visitors from the United Kingdom by 50 per cent. Over the next five years, India is expected to follow suit, driving by a growing middle class and an increase in the number of Indian students choosing to study in Australia. Australia's top five most valuable tourism markets in 2014/15 also included the traditional markets of the UK, US and New Zealand. Find out more.