SM Goh is encouraging high-income Singaporeans to donate at least 0.5% of their income to charities, as reported in today's Straits Times.
He defines high-income as making $7,000 or more every month. The ST article also mentions that the top 10% of income earners made $5,625 or more in 2004 based on Manpower Ministry data.
http://www.salary.sg/2007/high-incom...uld-donate-05/