SG Income Tax
Progressivity Modeller

Balanced budget: spending within its means.
Singapore’s fiscal policies are ultimately based on the idea of a balanced budget – that for any given year, expenditures should meet revenues. Put in another way, the Singapore Government has committed to spending within its means
Fiscal demands are rising.
The ageing population will mean more spending on healthcare and other measures. A changing economy will mean disruptions when it comes various kinds of employment support and training programmes, all of which will mean additional support from the present.
On the revenue side of the ledger.
Negotiations over global corporate tax regime through the OECD's Base Erosion/Profit Shifting initiative remain uncertain, and the outcomes of a final agreement remain unclear. 
The Goods and Services Tax is going through changes and are not likely to be revised in the near future. 
The Personal Income Tax has been through several changes in the last few years, and can be thought as a more flexible instrument for the purposes of revenue collection. The Personal Income Tax is also the second largest source of revenue, after the corporate income tax.
The challenge for you:
To see how we can raise further revenue through changes in the Personal income tax rate schedule.

If there is a need to raise $3.38 billion more revenue from Personal Income Tax, how would you set the Personal Income Tax rate schedule for the various assessable income groups?
In cooperation with