Singapore is 4th most popular city destination for tourist in 2011, London tops ranking

Independent.co.uk, 1 Jun 2011
London will lead the world in terms of international tourist arrivals this year, according to new research released June 1 by MasterCard.
The global payment giant's new index of Global Destination Cities predicts London will receive 20.1 million inbound passengers in 2011, slightly more than Paris's 18.1 million.
Bangkok is expected to welcome the third-highest number of visitors, followed by Singapore and Hong Kong - in fact, cities in Asia-Pacific account for eight of the top 20 global destinations.
2011's most popular cities (international arrivals):
1 London (20.1m)
2 Paris (18.1m)
3 Bangkok (11.5m)
4 Singapore (11.4m)
5 Hong Kong (10.9m)
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