Singapore is now the richest country in the world

Yahoo! News Singapore, 14 Aug 2012

Singapore topped the charts for highest GDP per capita in 2010 at close to SGD $70,000 (USD $56,532), according to a study.
In the Wealth Report 2012 published by Knight Frank and Citi Private Bank, Singapore is also expected to continue to be the global leader in 2050.
GDP per capita refers to the total output of a country divided by the population.
Trailing closely behind Singapore is Norway at about SGD $63,000 (USD $51,226), then the U.S. at about SGD $56,200 (USD $25,511), followed by Hong Kong at almost SGD $56,000 (USD $45,301). Full story

Related:
Singapore tops the GDP charts - Forbes.com