The world is facing a 43 million worker shortfall by 2035 that could spell chaos for holidaymakers if not addressed. Many of the world's biggest holiday economies, including Japan, Greece and China, will require millions more workers to keep their tourism industries afloat. Ageing populations and a desire not to work in low-skilled jobs will see labour supply slump to 16% below demand levels in ten years' time, according to the Future of Work in Travel and Tourism report from the World Travel