On 13 December 2012, One billionth international tourist arrival took place.
http://www.wttc.org/news-media/news-archive/2012/international-tourism-hits-one-billion/
Despite occasional shocks, international tourist arrivals have shown virtually uninterrupted growth – from 25 million in 1950, to 278 million in 1980, 528 million in 1995, and 1,035 million in 2012.
Long-term outlook
• International tourist arrivals worldwide will increase by 3.3% a year from 2010 to 2030 to reach 1.8 billion by 2030 according to UNWTO long term forecast Tourism Towards 2030
http://mkt.unwto.org/en/publication/unwto-tourism-highlights-2013-edition
http://dtxtq4w60xqpw.cloudfront.net/sites/all/files/pdf/unwto_highlights13_en_hr_0.pdf
http://www.wttc.org/news-media/news-archive/2012/international-tourism-hits-one-billion/
Despite occasional shocks, international tourist arrivals have shown virtually uninterrupted growth – from 25 million in 1950, to 278 million in 1980, 528 million in 1995, and 1,035 million in 2012.
Long-term outlook
• International tourist arrivals worldwide will increase by 3.3% a year from 2010 to 2030 to reach 1.8 billion by 2030 according to UNWTO long term forecast Tourism Towards 2030
http://mkt.unwto.org/en/publication/unwto-tourism-highlights-2013-edition
http://dtxtq4w60xqpw.cloudfront.net/sites/all/files/pdf/unwto_highlights13_en_hr_0.pdf